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Adams, Journal of the American Ceramic Society, Vol. 79 10, pp. 2767-2770 (1996), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "000324953E96E96C0F66CEDF737AC87C", "names": [ "Mullite composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O:ZrO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Thermal Conductivity", "scalars": [ { "value": "4.7" }, { "value": "5.3" }, { "value": "4.5" }, { "value": "3.9" }, { "value": "3.3" }, { "value": "3.1" } ], "units": "W m$^{-1}$ K$^{-1}$", "conditions": [ { "name": "Measurement Direction", "scalars": [ { "value": "Parallel" }, { "value": "Perpendicular" }, { "value": "Perpendicular" }, { "value": "Perpendicular" }, { "value": "Perpendicular" }, { "value": "Perpendicular" } ] }, { "name": "Temperature", "scalars": [ { "value": "20" }, { "value": "20" }, { "value": "196" }, { "value": "425" }, { "value": "607" }, { "value": "702" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}\\cdot$xZrO$_{2}\\cdot$yY$_{2}$O$_{3}$" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Properties of Pure, Dense Aluminum Oxide as a Function of Temperature and Grain Size, R.M. 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Hasselman, R. Ruh, and J.W. 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Ito, Geophysical Research Letters, Vol. 20 2, pp. 105-108 (1993), published by American Geophysical Union." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CA0730C06DBC654A4A053935C5F0486", "names": [ "Magnesium silicate" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Mg-Si-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Debye Temperature", "scalars": [ { "value": "850", "uncertainty": "15" }, { "value": "930", "uncertainty": "15" }, { "value": "980", "uncertainty": "15" }, { "value": "1030", "uncertainty": "20" } ], "units": "K", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "137" }, { "value": "217" }, { "value": "298" }, { "value": "700" } ], "units": "K" } ] } ], "preparation": [ { "name": "Pyrolysis" } ], "chemicalFormula": "MgSiO3" }, { "category": "system.chemical", "references": [ { "citation": "Physical, Microstructural and Thermomechanical Properties of ZrO2 Single Crystals, R.P. Ingel, D. Lewis, B.A. Bender, and R.W. Rice, Advances in Ceramics, Vol. 12, pp. 408-414 (1984), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CA2F24AED9F86595F3A9A4E92BCEFD7", "names": [ "Zirconia (PSZ)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:MgO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Single Crystal" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "685", "uncertainty": "48" } ], "units": "MPa", "conditions": [ { "name": "Mass Fraction of Stabilizer", "scalars": [ { "value": "2.8" } ], "units": "%" }, { "name": "Stabilizer", "scalars": [ { "value": "MgO" } ] }, { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Melt Processing" } ], "chemicalFormula": "ZrO2.xMgO" }, { "category": "system.chemical", "references": [ { "citation": "Microstructure and Mechanical Properties of Al2O3, Si3N4, SiC, and ZrO2(PSZ) Ceramics for Slurry Valves, H. Matsui, M. Kawai, T. Takae, K. Hashimoto, S. Takato, and H. Jinno, Journal of the Society of Materials Science, Japan, Vol. 35, pp. 41-47 (1986), published by Kyoto: Nihon Zairyo Gakkai." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CA6ADF2C83A97095709F84FE2F4FF39", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Al" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Weibull Modulus", "scalars": [ { "value": "8" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "ZrO2.xAl2O3.yY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Thermodynamic Properties of Magnesium Oxide and Beryllium Oxide from 298 to 1,200 K, A.C. Victor and T.B. Douglas, Journal of Research of the National Bureau of Standards, Vol. 67A 4, pp. 325-329 (1963), published by U.S. National Bureau of Standards." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CC9F3E2DB974926F2DDAC68976140A0", "names": [ "Beryllia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Be-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Specific Heat", "scalars": [ { "value": "1020.8" }, { "value": "1028.2" }, { "value": "1103.6" }, { "value": "1173.1" }, { "value": "1221.7" }, { "value": "1295.9" }, { "value": "1351.4" }, { "value": "1401.1" }, { "value": "1445.4" }, { "value": "1485.9" }, { "value": "1523.0" }, { "value": "1557.2" }, { "value": "1631.4" }, { "value": "1693.0" }, { "value": "1745.2" }, { "value": "1790.0" }, { "value": "1829.2" }, { "value": "1864.0" }, { "value": "1895.3" }, { "value": "1923.7" }, { "value": "1949.6" }, { "value": "1973.9" }, { "value": "1996.5" }, { "value": "2017.7" }, { "value": "2037.8" }, { "value": "2057.0" } ], "units": "J kg$^{-1}$ K$^{-1}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "298.15" }, { "value": "300" }, { "value": "320" }, { "value": "340" }, { "value": "360" }, { "value": "380" }, { "value": "400" }, { "value": "420" }, { "value": "440" }, { "value": "460" }, { "value": "480" }, { "value": "500" }, { "value": "550" }, { "value": "600" }, { "value": "650" }, { "value": "700" }, { "value": "750" }, { "value": "800" }, { "value": "850" }, { "value": "900" }, { "value": "950" }, { "value": "1000" }, { "value": "1050" }, { "value": "1100" }, { "value": "1150" }, { "value": "1200" } ], "units": "K" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "BeO" }, { "category": "system.chemical", "references": [ { "citation": "Pressureless Sintering of Si3N4 with Y2O3 and Al2O3, T. Hayashi, H. Munakata, H. Suzuki, and H. Saito, Journal of Materials Science, Vol. 21, pp. 3501-3508 (1986), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CD0A8D658444B3F3B878297A7E11E44", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:Al" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Bar" } ] }, { "name": "Density", "scalars": [ { "value": "2.43" }, { "value": "2.98" }, { "value": "3.11" }, { "value": "3.18" }, { "value": "2.62" }, { "value": "3.10" }, { "value": "3.09" }, { "value": "3.00" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "22" } ], "units": "$^{\\circ}$C" }, { "name": "Mass Fraction of Al2O3", "scalars": [ { "value": "1.9" }, { "value": "3.7" }, { "value": "5.0" }, { "value": "6.2" }, { "value": "4.3" }, { "value": "8.6" }, { "value": "11.0" }, { "value": "13.5" } ], "units": "%" }, { "name": "Mass Fraction of Y2O3", "scalars": [ { "value": "8.2" }, { "value": "16.3" }, { "value": "15.0" }, { "value": "13.8" }, { "value": "5.7" }, { "value": "11.4" }, { "value": "9.0" }, { "value": "6.5" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Si3N4.xAl2O3.yY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Engineering Properties of Zirconia, R. Stevens, Engineered Materials Handbook, Vol. 4, pp. 775-786 (1991), edited by S.J. Schneider, Jr., published by ASM International." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0CEA4B7946E9E3C889A13ED9AC5007DF", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Elastic Modulus", "scalars": [ { "value": "205" }, { "value": "195" }, { "value": "185" }, { "value": "173" }, { "value": "169" }, { "value": "165" }, { "value": "200" } ], "units": "GPa", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "20" }, { "value": "200" }, { "value": "300" }, { "value": "400" }, { "value": "500" }, { "value": "1100" }, { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Phase", "scalars": [ { "value": "PSZ(8 wt% MgO)" }, { "value": "PSZ(8 wt% MgO)" }, { "value": "PSZ(8 wt% MgO)" }, { "value": "PSZ(8 wt% MgO)" }, { "value": "PSZ(8 wt% MgO)" }, { "value": "PSZ(8 wt% MgO)" }, { "value": "TZP" } ] } ] } ], "chemicalFormula": "ZrO2" }, { "category": "system.chemical", "references": [ { "citation": "Effect of Hot-Pressing Temperature on Densification and Mechanical Properties of Titanium Diboride with Silicon Nitride as a Sintering Aid, J.H. Park, Y.H. Lee, Y.H. Koh, H.E. Kim, and S.S. Baek, Journal of the American Ceramic Society, Vol. 83 6, pp. 1542-1544 (2000), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0D0B5F8621DF1F240FF00D97DACC3E52", "names": [ "Titanium diboride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Ti-B:Si" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Hardness", "scalars": [ { "value": "10.4" }, { "value": "19.7" }, { "value": "24.2" }, { "value": "23.4" }, { "value": "24.3" } ], "units": "GPa", "conditions": [ { "name": "Sintering Temperature", "scalars": [ { "value": "1500" }, { "value": "1550" }, { "value": "1600" }, { "value": "1700" }, { "value": "1800" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "TiB2.xSi3N4" }, { "category": "system.chemical", "references": [ { "citation": "Ultrasonic Examination of Reaction Bonded Silicon Nitride, J.S. Thorp and T.G. Bushell, Journal of Materials Science, Vol. 20, pp. 2265-2274 (1985), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0D12C747B8EB14BE8F15FEBF1982780E", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Bulk Modulus", "scalars": [ { "value": "96" }, { "value": "85" }, { "value": "69" }, { "value": "56" }, { "value": "37" } ], "units": "GPa", "conditions": [ { "name": "Volume Fraction of Porosity", "scalars": [ { "value": "17.4" }, { "value": "19.3" }, { "value": "20.2" }, { "value": "21.9" }, { "value": "26.2" } ], "units": "%" } ] } ], "preparation": [ { "name": "Reaction Bonding" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Evaluated Material Properties for a Sintered $\\alpha$-Alumina, R.G. 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Xin, Journal of Materials Science, Vol. 32, pp. 2151-2154 (1997), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0D35444255F1F749273E48AD8DF5F2F8", "names": [ "Mullite composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O:ZrO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Porosity", "scalars": [ { "value": "1.3" }, { "value": "0.8" }, { "value": "1.2" }, { "value": "1.4" }, { "value": "1.6" } ], "units": "%", "conditions": [ { "name": "Mass Fraction of B2O3", "scalars": [ { "value": "0" }, { "value": "0.25" }, { "value": "0.75" }, { "value": "1.50" }, { "value": "2.25" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}\\cdot$xZrO$_{2}$" }, { "category": "system.chemical", "references": [ { "citation": "Enhanced Mechanical Properties of Alumina by Dis persed Titanium Diboride Particulate Inclusions, J. 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Ownby, Journal of the American Ceramic Society, Vol. 74 1, pp. 241-243 (1991), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "0D39BD66AF3CB70A4F825FC85C1A65BE", "names": [ "Alumina composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O:TiB" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "4.7" }, { "value": "6.1" }, { "value": "5.6" }, { "value": "6.1" }, { "value": "6.1" }, { "value": "3.8" }, { "value": "5.0" }, { "value": "4.9" }, { "value": "4.4" }, { "value": "5.3" }, { "value": "6.0" }, { "value": "6.5" }, { "value": "5.5" }, { "value": "5.8" }, { "value": "5.7" }, { "value": "5.2" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Volume Fraction of TiB2", "scalars": [ { "value": "0" }, { "value": "5" }, { "value": "10" }, { "value": "15" }, { "value": "20" }, { "value": "0" }, { "value": "5" }, { "value": "10" }, { "value": "15" }, { "value": "20" }, { "value": "2.3" }, { "value": "5.0" }, { "value": "7.7" }, { "value": "10.0" }, { "value": "15.0" }, { "value": "20.0" } ], "units": "%" }, { "name": "Measurement Type", "scalars": [ { "value": "SENB" }, { "value": "SENB" }, { "value": "SENB" }, { "value": "SENB" }, { "value": "SENB" }, { "value": "Vickers" }, { "value": "Vickers" }, { "value": "Vickers" }, { "value": "Vickers" }, { "value": "Vickers" }, { "value": "CNSR" }, { "value": "CNSR" }, { "value": "CNSR" }, { "value": "CNSR" }, { "value": "CNSR" }, { "value": "CNSR" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Al2O3.xTiB2" }, { "category": "system.chemical", "references": [ { "citation": "Effect of Additives on Some Properties of Silicon Oxynitride Ceramics, M. 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Somiya, Journal of the American Ceramic Society, Vol. 70 1, pp. C-7-C-8 (1987), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "129B848B22FFF6DAFE9CF806F2F99828", "names": [ "Mullite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "2.73" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Specimen Density", "scalars": [ { "value": "3.15" } ], "units": "g/cm$^{3}$" }, { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}$" }, { "category": "system.chemical", "references": [ { "citation": "Improved Consolidation of Silicon Carbide, M.R. Freedman and M.L. 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Yezhov, Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, Vol. 26 4, pp. 828-833 (1990)." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "12D9D8FBD404F9C9AEA582169F8052C5", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Rod" } ] }, { "name": "Weibull Modulus", "scalars": [ { "value": "22.6" }, { "value": "6.9" }, { "value": "5.5" } ], "conditions": [ { "name": "Weibull Strength", "scalars": [ { "value": "616" }, { "value": "470" }, { "value": "299" } ], "units": "MPa" }, { "name": "Processingp H", "scalars": [ { "value": "4.3" }, { "value": "3.7" }, { "value": "2.7" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "ZrO2" }, { "category": "system.chemical", "references": [ { "citation": "Influence of $\\alpha$-Al2O3 and Na-$\\beta$-Al2O3 Additions on the Strength of Y2O3\u00b7Partially-Stabilized ZrO2, G.R. Liu, X.N. Huang, and P.S. Nicholson, American Ceramic Society Bulletin, Vol. 71 1, pp. 110-115 (1992), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1304A730C59D1E59744EA999D84B4C67", "names": [ "Zirconia composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Al" } ] }, { "name": "Sintering Aid", "scalars": [ { "value": "Y2O3" } ], "conditions": [ { "name": "Sintering Aid Molar Fraction", "scalars": [ { "value": "2.5" } ], "units": "%" } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "ZrO3.wY2O3.x$\\gamma$-Al2O3.y$\\beta$-Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Engineering Properties of Borides, R.A. Cutler, Engineered Materials Handbook, Vol. 4, pp. 787-803 (1991), edited by S.J. 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Pask, published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "150D9D64BD49B72D1BC21C861935C1C9", "names": [ "Mullite composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O:SiC" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Creep Rate", "scalars": [ { "value": "1.85" }, { "value": "2.98" }, { "value": "4.05" }, { "value": "12.4" }, { "value": "41.2" }, { "value": "127" }, { "value": "305" }, { "value": "745" }, { "value": "1590" }, { "value": "2880" } ], "units": "10$^{-9}$ s$^{-1}$", "conditions": [ { "name": "Applied Stress", "scalars": [ { "value": "100" } ], "units": "MPa" }, { "name": "Temperature", "scalars": [ { "value": "1520" }, { "value": "1540" }, { "value": "1560" }, { "value": "1580" }, { "value": "1600" }, { "value": "1620" }, { "value": "1640" }, { "value": "1660" }, { "value": "1680" }, { "value": "1700" } ], "units": "K" }, { "name": "Sample Number", "scalars": [ { "value": "MW1" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}\\cdot$xSiC" }, { "category": "system.chemical", "references": [ { "citation": "SiC-TiC and SiC-TiB2 Composites Densified by Liquid-Phase Sintering, K.S. Cho,Y.W. Kim,H.J. Choi, and J.G. Lee, Journal of Materials Science, Vol. 31, pp. 6223-6228 (1996), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "151223DE49329A567C2C186F928EA802", "names": [ "Silicon carbide composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Density", "scalars": [ { "value": "3.277" }, { "value": "3.651" }, { "value": "4.000" }, { "value": "4.357" }, { "value": "3.519" }, { "value": "3.748" }, { "value": "4.071" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Mass Fraction of TiC", "scalars": [ { "value": "0" }, { "value": "30" }, { "value": "50" }, { "value": "70" }, { "value": "0" }, { "value": "0" }, { "value": "0" } ] }, { "name": "Mass Fraction of TiB2", "scalars": [ { "value": "0" }, { "value": "0" }, { "value": "0" }, { "value": "0" }, { "value": "30" }, { "value": "50" }, { "value": "70" } ], "units": "%" }, { "name": "Relative Density", "scalars": [ { "value": "99.42" }, { "value": "99.03" }, { "value": "99.90" }, { "value": "99.44" }, { "value": "97.42" }, { "value": "97.15" }, { "value": "98.29" } ], "units": "%" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "SiC.xTiC.yTiB2" }, { "category": "system.chemical", "references": [ { "citation": "Preparation and Properties of Mullite-Cordierite Composites, B.H. 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Li and R. Watanabe, Journal of the Ceramic Society of Japan, Vol. 102 8, pp. 727-731 (1994), published by Ceramic Society of Japan." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "197C7FA9528663F4C0D2CDACC463EF30", "names": [ "Aluminum nitride composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-N:SiC" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Phase", "scalars": [ { "value": "AlN" }, { "value": "SiC" } ], "conditions": [ { "name": "Amount of Phase", "scalars": [ { "value": "1" }, { "value": "x" } ], "units": "mol" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "AlN.xSiC" }, { "category": "system.chemical", "references": [ { "citation": "Rigidity Modulus of Some Pure Oxide Bodies, E. 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Swain, Journal of the Australasian Ceramic Society, Vol. 27 1, pp. 37-49 (1991), published by Tech Publications, Aedermannsdorf, Switzerland." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19B2789A23F32CAB52A253583F715C7F", "names": [ "Zirconia (TZP)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Hardness", "scalars": [ { "value": "12.0" }, { "value": "9.5" }, { "value": "5.3" }, { "value": "4.3" }, { "value": "3.3" }, { "value": "3.2" }, { "value": "3.1" }, { "value": "3.0" }, { "value": "3.1" }, { "value": "2.6" } ], "units": "GPa", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "290" }, { "value": "360" }, { "value": "470" }, { "value": "570" }, { "value": "760" }, { "value": "870" }, { "value": "970" }, { "value": "1060" }, { "value": "1170" }, { "value": "1270" } ], "units": "K" } ] } ], "chemicalFormula": "ZrO2.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Oxidation-Induced Toughening and Strengthening of Y2O3/SiC Nanocomposites, M. Yoshimura, T. Ohji, and K. Niihara, Journal of the American Ceramic Society, Vol. 80 3, pp. 797-799 (1997), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19BCFF2C3F93A00D6DF0AD2C3C4CF897", "names": [ "Yttria composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Y-O:SiC" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Elastic Modulus", "scalars": [ { "value": "165" }, { "value": "178" } ], "units": "GPa", "conditions": [ { "name": "Volume Fraction of SiC", "scalars": [ { "value": "0" }, { "value": "5" } ], "units": "%" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Y2O3.xSiC" }, { "category": "system.chemical", "references": [ { "citation": "Elastic Properties of Monoclinic Hafnium Oxide at Room Temperature, S.L. Dole, O. Hunter,Jr., and C.J. Wooge, Journal of the American Ceramic Society, Vol. 60 11, pp. 488-490 (1977), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19BE5DEB9AFBC028C1BD6F76D10DBBCA", "names": [ "Hafnia (monoclinic)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Hf-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Shear Modulus", "scalars": [ { "value": "92.0" }, { "value": "89.8" }, { "value": "85.0" }, { "value": "78.1" }, { "value": "71.2" }, { "value": "65.3" }, { "value": "60.0" }, { "value": "58.9" }, { "value": "58.9" }, { "value": "54.6" }, { "value": "49.3" }, { "value": "42.3" }, { "value": "40.7" }, { "value": "25.2" }, { "value": "31.0" }, { "value": "72.3" }, { "value": "50.0" }, { "value": "56.9" }, { "value": "37.2" } ], "units": "GPa", "conditions": [ { "name": "Specimen with Microcracks ?", "scalars": [ { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "no" }, { "value": "yes" }, { "value": "yes" }, { "value": "yes" }, { "value": "yes" }, { "value": "yes" }, { "value": "yes" } ] }, { "name": "Volume Fraction of Porosity", "scalars": [ { "value": "0.038" }, { "value": "0.045" }, { "value": "0.064" }, { "value": "0.089" }, { "value": "0.109" }, { "value": "0.126" }, { "value": "0.147" }, { "value": "0.162" }, { "value": "0.166" }, { "value": "0.195" }, { "value": "0.196" }, { "value": "0.234" }, { "value": "0.248" }, { "value": "0.033" }, { "value": "0.077" }, { "value": "0.084" }, { "value": "0.086" }, { "value": "0.117" }, { "value": "0.136" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "HfO2" }, { "category": "system.chemical", "references": [ { "citation": "Engineering Properties of Nitrides, S. Hampshire, Engineered Materials Handbook, Vol. 4, pp. 812-820 (1991), edited by S.J. Schneider, Jr., published by ASM International." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19CDDB7FEDBC9D114F4C1D185545B00A", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "6.8" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Material Type", "scalars": [ { "value": "SSN" } ] } ] } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Flexure Strength of Advanced Structural Ceramics: A Round Robin, G. Quinn, Journal of the American Ceramic Society, Vol. 73 8, pp. 2374-2384 (1990), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19D7028D1FB4924096A489121F4EB3EB", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Density", "scalars": [ { "value": "2.40", "uncertainty": "0.01" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Reaction Bonding" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Properties of Zirconia Ceramics at Low Temperature, K. Jikihara and M. Ishihara, Journal of the Ceramic Society of Japan Inter. 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Poeppel, High Temperature Corrosion in Energy Systems, pp. 269-280 (1985), edited by M. F. Rothman, published by Metallurgical Society of AIME." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19EC9055588CDB787CE3E7FBBF4FC52B", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C:B,C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Carborundum Company" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "Hexoloy SA" } ] }, { "name": "Corrosion Rate", "scalars": [ { "value": "0.0007" }, { "value": "-0.174" }, { "value": "-0.657" }, { "value": "-0.0004" }, { "value": "-0.050" }, { "value": "-0.412" } ], "units": "mg cm$^{-2}$ h$^{-1}$", "conditions": [ { "name": "Environment", "scalars": [ { "value": "Air" }, { "value": "Acid Slag" }, { "value": "Basic Slag" }, { "value": "Air" }, { "value": "Acid Slag" }, { "value": "Basic Slag" } ] }, { "name": "Process Type", "scalars": [ { "value": "Slip Cast" }, { "value": "Slip Cast" }, { "value": "Slip Cast" }, { "value": "Extruded" }, { "value": "Extruded" }, { "value": "Extruded" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Properties of Monolithic AlN and SiCw/AlN Composites, C.K. Unni and D.E. Gordon, Journal of Materials Science, Vol. 30, pp. 1173-1179 (1995), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "19F2BE28D657A1D8B08D2200C898E816", "names": [ "Aluminum nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-N" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "250", "uncertainty": "25" } ], "units": "MPa", "conditions": [ { "name": "Density", "scalars": [ { "value": "-" } ], "units": "g/cm$^{3}$" }, { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "AlN" }, { "category": "system.chemical", "references": [ { "citation": "Unlubricated Sliding Friction and Wear of Various Si3N4 Pairs Between 22 \u00b0C and 1000 \u00b0C, A. Skopp, M. Woydt, and K.H. 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Mukhopadhyay, and J. Mukerji, Revue Internationale des Hautes Temperatures et des Refractaires, Vol. 22, pp. 105-113 (1985), published by Masson." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1F956AC0EF6FF95573A08D6BC1A08ED4", "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-Al-O-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Hardness", "scalars": [ { "value": "18.2" }, { "value": "17.7" }, { "value": "17.6" }, { "value": "17.0" }, { "value": "17.6" }, { "value": "17.5" }, { "value": "17.7" }, { "value": "17.7" }, { "value": "16.9" }, { "value": "16.0" }, { "value": "16.2" }, { "value": "16.2" }, { "value": "16.1" }, { "value": "16.6" }, { "value": "15.2" }, { "value": "15.3" }, { "value": "17.7" }, { "value": "17.9" }, { "value": "18.5" }, { "value": "17.7" }, { "value": "17.9" }, { "value": "17.0" }, { "value": "16.8" }, { "value": "17.2" } ], "units": "GPa", "conditions": [ { "name": "Number of Quenches", "scalars": [ { "value": "0" }, { "value": "1" }, { "value": "2" }, { "value": "3" }, { "value": "4" }, { "value": "10" }, { "value": "15" }, { "value": "20" }, { "value": "0" }, { "value": "1" }, { "value": "2" }, { "value": "3" }, { "value": "4" }, { "value": "10" }, { "value": "15" }, { "value": "20" }, { "value": "0" }, { "value": "1" }, { "value": "2" }, { "value": "3" }, { "value": "4" }, { "value": "10" }, { "value": "15" }, { "value": "20" } ] }, { "name": "Quenching Temperature", "scalars": [ { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1300" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1400" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" }, { "value": "1500" } ], "units": "$^{\\circ}$C" }, { "name": "Measurement Temperature", "scalars": [ { "value": "22" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Si6-xAlxOxN8-x" }, { "category": "system.chemical", "references": [ { "citation": "Investigation of Selected Si3N4 and SiC Ceramics, N.L. 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Yu. Pliner, D. S. Rutman, A. A. Dabizha, and Yu. I. Komolikov, Ogneupori (Refractories) 9, pp. 19-20 (1986)." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1FB83EF1B95F0D7318B6F436EA0264BE", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Bar" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "50" }, { "value": "850" }, { "value": "1080" }, { "value": "625" }, { "value": "380" } ], "units": "MPa", "conditions": [ { "name": "Phase Composition", "scalars": [ { "value": "T + M" }, { "value": "T" }, { "value": "T" }, { "value": "T + C" }, { "value": "T + C" } ] }, { "name": "Mole Fraction of Y2O3", "scalars": [ { "value": "2.0" }, { "value": "2.5" }, { "value": "3.0" }, { "value": "3.5" }, { "value": "4.0" } ], "units": "%" } ] } ], "preparation": [ { "name": "Slip Casting" } ], "chemicalFormula": "ZrO2" }, { "category": "system.chemical", "references": [ { "citation": "Evaluation of Japanese Yttria Tetragonal Zirconia Polycrystal (Y-TZP) Materials, J.J. Swab, Ceramic Engineering and Science Proceedings, Vol. 8 7, pp. 886-891 (1987), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1FC493BC1CE7C8DED57FC16ADF122398", "names": [ "Zirconia (TZP)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Koransha" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "1192", "uncertainty": "140" }, { "value": "935", "uncertainty": "115" }, { "value": "974", "uncertainty": "132" }, { "value": "1003", "uncertainty": "89" } ], "units": "MPa", "conditions": [ { "name": "Oxidation Temperature", "scalars": [ { "value": "23" }, { "value": "200" }, { "value": "1000" }, { "value": "1000" } ], "units": "$^{\\circ}$C" }, { "name": "Oxidation Time", "scalars": [ { "value": "0" }, { "value": "50" }, { "value": "100" }, { "value": "500" } ], "units": "h" }, { "name": "Test Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "ZrO2.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Electrophysical Properties of Polycrystallic Boron Carbide, P. S. Kisly, B. L. Grabchuk, and L. S. Golubyak, Electronnaya Tecknika, Ser. Materiali (Electronic Tecknic) 8, pp. 67-72 (1977)." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1FC6A73F6B509F658B265FA50CF0E50E", "names": [ "Boron carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "B-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Plate" } ] }, { "name": "Impurity", "scalars": [ { "value": "Si" }, { "value": "Fe" }, { "value": "B2O3" }, { "value": "Al" } ], "conditions": [ { "name": "Mass Fraction", "scalars": [ { "value": "0.12" }, { "value": "0.02" }, { "value": "0.02" }, { "value": "0.01" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "B4C" }, { "category": "system.chemical", "references": [ { "citation": "Microstructure and Properties of Sintered Silicon Carbides Fabricated by Different Methods, T. Maruyama, H. Kitamura, and T. Iseki, Journal of the Ceramic Society of Japan, Vol. 94 8, pp. 790-794 (1986), published by Ceramic Society of Japan." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "1FE5BC737A730D31BEAA0719187AA1E6", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "470" } ], "units": "MPa", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "22" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "Thermal Diffusivity/Conductivity and Specific Heat of Mullite-Zirconia-Silicon Carbide Whisker Composites, L.M. Russell, K.Y. Donaldson, D.P.H. Hasselman, R. Ruh, and J.W. Adams, Journal of the American Ceramic Society, Vol. 79 10, pp. 2767-2770 (1996), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "2002A20CEF45E9F9FE82ED889C2D1AAA", "names": [ "Mullite composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O:ZrO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Density", "scalars": [ { "value": "3.75" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "20" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}\\cdot$xZrO$_{2}\\cdot$yY$_{2}$O$_{3}$" }, { "category": "system.chemical", "references": [ { "citation": "Alumina and Other Refractory Materials, R.N. Kleiner, Handbook of Materials Science, Vol. 2, pp. 355-385 (1975), edited by C.T. Lynch, published by CRC Press." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "2006F74A29AB6098B0CC101C85D30956", "names": [ "Alumina" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "282" }, { "value": "172" }, { "value": "551" }, { "value": "413" }, { "value": "379" } ], "units": "MPa", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "25" }, { "value": "1000" }, { "value": "25" }, { "value": "1000" }, { "value": "25" } ], "units": "$^{\\circ}$C" }, { "name": "Grain Size Range", "scalars": [ { "minimum": "15", "maximum": "45" }, { "minimum": "15", "maximum": "45" }, { "minimum": "1", "maximum": "6" }, { "minimum": "1", "maximum": "6" }, { "minimum": "5", "maximum": "50" } ], "units": "$\\mu$m" }, { "name": "Density", "scalars": [ { "value": "3.99" }, { "value": "3.99" }, { "value": "3.96" }, { "value": "3.96" }, { "value": "3.87" } ], "units": "g/m$^{3}$" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Effect of Silicon Carbide Whisker and Titanium Carbide Particulate Additions on the Friction and Wear Behavior of Silicon Nitride, C.R. 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Page, Journal of the American Ceramic Society, Vol. 73 11, pp. 3442-3452 (1990), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "20160843DDC24DED10C619D48E7F626C", "names": [ "Silicon nitride composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:CeO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Phase", "scalars": [ { "value": "Si3N4" }, { "value": "CeO2" }, { "value": "TiC" } ], "conditions": [ { "name": "Volume Fraction of Phase", "scalars": [ { "value": "-" }, { "value": "-" }, { "value": "15" } ], "units": "%" }, { "name": "Mass Fraction of Phase", "scalars": [ { "value": "(1-x)$\\cdot$0.94" }, { "value": "(1-x)$\\cdot$0.06" }, { "value": "x" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Si3N4.xCeO2.yTiC" }, { "category": "system.chemical", "references": [ { "citation": "Characterization Studies of Transformation-Toughened Ceramics, N.L. Hecht, S.M. Goodrich, D.E. McCullum, P.P. Yaney, S.D. Jang, and V.J. Tennery, American Ceramic Society Bulletin, Vol. 71 6, pp. 955-959 (1992), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "206F4287600752885A29DBC8F2E791CA", "names": [ "Zirconia (TZP)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Y" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "NGK" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "Z191" } ] }, { "name": "Density", "scalars": [ { "value": "5.9" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "chemicalFormula": "ZrO2.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Crystal Structure and Equation of State of Cotunnite-Type Zirconia, J. Haines, J.M. Leger, and A. 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Sammes, FM. Keppeler, H. Nafe, and F. Aldinger, Journal of the American Ceramic Society, Vol. 81 12, pp. 3104-3108 (1998), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "25A0678B0F389151E19D77BC7151212A", "names": [ "Lanthanum gallate" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "La(Sr)-Ga(Mg)-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "158", "uncertainty": "15" }, { "value": "139", "uncertainty": "17" }, { "value": "113", "uncertainty": "8" } ], "units": "MPa", "conditions": [ { "name": "y of Mgy", "scalars": [ { "value": "0.10" }, { "value": "0.15" }, { "value": "0.20" } ], "units": "formula units" } ] }, { "name": "InChI", "scalars": [ { "value": "InChI=1S/3C7H6O5.La/c3*8-4-1-3(7(11)12)2-5(9)6(4)10;/h3*1-2,8-10H,(H,11,12);/q;;;+3/p-3" } ] }, { "name": "SMILES", "scalars": [ { "value": "[La+3].O=C([O-])C1=CC(O)=C(O)C(O)=C1.O=C([O-])C1=CC(O)=C(O)C(O)=C1.O=C([O-])C1=CC(O)=C(O)C(O)=C1" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "La1-xSrxGa1-yMgyO3-z" }, { "category": "system.chemical", "references": [ { "citation": "The Evaluation of Environmental Effects in Toughened Ceramics for Advanced Heat Engines Investigation of Selected SiC and Si3N4 Ceramics, N.L.Hecht, G.A.Graves, D.E.McCullum, A.P.Berens, S.Goodrich, J.D.Wolf, J.R.Hoenigman, P.Yaney, D.Grant, and S.Hilton, ORNL Report Number: ORNL/Sub/84-00221/2, pp. 1-111 (1990), published by Oak Ridge National Laboratory." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "25C420581CE672FFD9EE5F0C41DE5340", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Elastic Modulus", "scalars": [ { "value": "300" }, { "value": "175" } ], "units": "GPa", "conditions": [ { "name": "Range", "scalars": [ { "minimum": "250", "maximum": "325" }, { "minimum": "175", "maximum": "250" } ], "units": "GPa" }, { "name": "Temperature", "scalars": [ { "value": "23" }, { "value": "1400" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Engineering Properties of Carbides, P.T.B. 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McCullum, Ceramic Engineering and Science Proceedings, Vol. 11 7, pp. 1007-1027 (1990), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "3819EA7093D42E065FB263887D086343", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Norton/TRW" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "NT-154" } ] }, { "name": "Weibull Modulus", "scalars": [ { "value": "7.21", "uncertainty": "2.8" }, { "value": "9.33", "uncertainty": "3.7" }, { "value": "8.58", "uncertainty": "3.4" }, { "value": "9.57", "uncertainty": "3.8" }, { "value": "8.27" }, { "value": "9.33" }, { "value": "7.33" }, { "value": "8.32" }, { "value": "7.02" }, { "value": "12.00" }, { "value": "8.80" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "20" }, { "value": "1000" }, { "value": "1200" }, { "value": "1400" }, { "value": "20" }, { "value": "1000" }, { "value": "1200" }, { "value": "1400" }, { "value": "20" }, { "value": "1200" }, { "value": "1400" } ], "units": "$^{\\circ}$C" }, { "name": "Mode", "scalars": [ { "value": "Combined" }, { "value": "Combined" }, { "value": "Combined" }, { "value": "Combined" }, { "value": "Volume" }, { "value": "Volume" }, { "value": "Volume" }, { "value": "Volume" }, { "value": "Surface" }, { "value": "Surface" }, { "value": "Surface" } ] } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "Si3N4.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Fracture Behavior of Al2O3/SiC-Platelet Composites, M. 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Fantozzi, Journal of Materials Research, Vol. 11 10, pp. 2528-2535 (1996), published by Materials Research Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "382799F9F7CA609BC86D69BA02304356", "names": [ "Alumina composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O:SiC" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "5.4" }, { "value": "4.0" }, { "value": "3.0" }, { "value": "6.7" }, { "value": "4.4" }, { "value": "3.1" }, { "value": "2.7" }, { "value": "7.0" }, { "value": "4.9" }, { "value": "4.7" }, { "value": "3.0" }, { "value": "5.4" }, { "value": "4.9" }, { "value": "4.7" }, { "value": "3.1" }, { "value": "4.0" }, { "value": "4.3" }, { "value": "4.9" }, { "value": "5.0" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Sample Group", "scalars": [ { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "C" }, { "value": "S" }, { "value": "S" }, { "value": "S" }, { "value": "S" }, { "value": "S" }, { "value": "S" }, { "value": "S" }, { "value": "S" } ] }, { "name": "Volume Fraction of SiC", "scalars": [ { "value": "0" }, { "value": "0" }, { "value": "0" }, { "value": "20" }, { "value": "20" }, { "value": "20" }, { "value": "20" }, { "value": "30" }, { "value": "30" }, { "value": "30" }, { "value": "30" }, { "value": "0" }, { "value": "0" }, { "value": "0" }, { "value": "0" }, { "value": "20" }, { "value": "20" }, { "value": "20" }, { "value": "20" } ], "units": "%" }, { "name": "Temperature", "scalars": [ { "value": "23" }, { "value": "1000" }, { "value": "1200" }, { "value": "23" }, { "value": "800" }, { "value": "1000" }, { "value": "1200" }, { "value": "23" }, { "value": "800" }, { "value": "1000" }, { "value": "1200" }, { "value": "23" }, { "value": "800" }, { "value": "1000" }, { "value": "1200" }, { "value": "23" }, { "value": "800" }, { "value": "1000" }, { "value": "1200" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Al2O3.xSiC" }, { "category": "system.chemical", "references": [ { "citation": "The Mechanical Performance of Alumina as a Function of Grain Size, W.H. Tuan, M.J. Lai, M.C. Lin, C.C. Chan, and S.C. Chiu, Materials Chemistry and Physics, Vol. 36, pp. 246-251 (1994), published by Elsevier Sequoia." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "382871B50327AE438566506E011EB87E", "names": [ "Alumina" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "3.0" }, { "value": "3.4" }, { "value": "3.7" }, { "value": "4.4" }, { "value": "4.9" }, { "value": "4.9" }, { "value": "5.0" }, { "value": "4.6" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Sintering Time", "scalars": [ { "value": "10" }, { "value": "30" }, { "value": "60" }, { "value": "120" }, { "value": "120" }, { "value": "120" }, { "value": "120" }, { "value": "120" } ], "units": "min" }, { "name": "Sintering Temperature", "scalars": [ { "value": "1600" }, { "value": "1600" }, { "value": "1600" }, { "value": "1600" }, { "value": "1650" }, { "value": "1700" }, { "value": "1750" }, { "value": "1580" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Electrophysical Properties of Polycrystallic Boron Carbide, P. S. Kisly, B. L. Grabchuk, and L. S. Golubyak, Electronnaya Tecknika, Ser. Materiali (Electronic Tecknic) 8, pp. 67-72 (1977)." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "383FB86D16CEEF85EC82B54E051DFD98", "names": [ "Boron carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "B-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Plate" } ] }, { "name": "Impurity", "scalars": [ { "value": "Si" }, { "value": "B2O3" }, { "value": "Fe" }, { "value": "Al" } ], "conditions": [ { "name": "Mass Fraction", "scalars": [ { "value": "0.6" }, { "value": "0.05" }, { "value": "0.02" }, { "value": "0.01" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "B4C" }, { "category": "system.chemical", "references": [ { "citation": "Creep of Hot-Pressed SiC Whisker Reinforced Mullite, R.D. Nixon, S. Chevacharoenkul, R.F. Davis, and T.N. Tiegs, Ceramic Transactions, Vol. 6, pp. 579-603 (1990), edited by S. Somiya, R.F. Davis, and J.A. Pask, published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "3842D55D7B3E587BF9D96D2EEFB46BD4", "names": [ "Mullite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Creep Rate Exponent", "scalars": [ { "value": "1.19", "uncertainty": "0.03" } ], "conditions": [ { "name": "Stress Range", "scalars": [ { "minimum": "25", "maximum": "200" } ], "units": "MPa" }, { "name": "Temperature", "scalars": [ { "value": "1520" } ], "units": "K" }, { "name": "Sample Number", "scalars": [ { "value": "M4" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}$" }, { "category": "system.chemical", "references": [ { "citation": "Thermal Diffusivity and Conductivity of Dense Polycrystalline ZrO2 Ceramics: A Survey, D.P.H. Hasselman, L.F. Johnson, L.D. Bentsen, R. Syed, H.L. Lee, and M.V. Swain, American Ceramic Society Bulletin, Vol. 66 5, pp. 799-806 (1987), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "3845FAAEE2002FA8E874749E50A6ECB0", "names": [ "Zirconia (PSZ)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Specific Heat", "scalars": [ { "value": "467" }, { "value": "519" }, { "value": "557" }, { "value": "554" }, { "value": "595" }, { "value": "616" }, { "value": "639" }, { "value": "466" }, { "value": "512" }, { "value": "550" }, { "value": "580" }, { "value": "602" }, { "value": "630" }, { "value": "641" }, { "value": "460" }, { "value": "509" }, { "value": "546" }, { "value": "575" }, { "value": "591" }, { "value": "600" }, { "value": "604" } ], "units": "J kg$^{-1}$ K$^{-1}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "25" }, { "value": "100" }, { "value": "200" }, { "value": "300" }, { "value": "400" }, { "value": "500" }, { "value": "600" }, { "value": "25" }, { "value": "100" }, { "value": "200" }, { "value": "300" }, { "value": "400" }, { "value": "500" }, { "value": "600" }, { "value": "25" }, { "value": "100" }, { "value": "200" }, { "value": "300" }, { "value": "400" }, { "value": "500" }, { "value": "600" } ], "units": "$^{\\circ}$C" }, { "name": "Mass Fraction of Stabilizer", "scalars": [ { "value": "2.4" }, { "value": "2.4" }, { "value": "2.4" }, { "value": "2.4" }, { "value": "2.4" }, { "value": "2.4" }, { "value": "2.4" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "4.0" }, { "value": "5.3" }, { "value": "5.3" }, { "value": "5.3" }, { "value": "5.3" }, { "value": "5.3" }, { "value": "5.3" }, { "value": "5.3" } ], "units": "%" } ] } ], "chemicalFormula": "ZrO2.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Weibull Characterization of Four Hipped/Posthipped Engineering Ceramics Between Room Temperature and 1500 \u00b0C, J. Kubler, Mechanische Charakterisierung von Hochleistungskeramik Festigkeitsunte, pp. 1-88 (1992), published by EMPA Swiss Federal Laboratories for Materials Testing and Research." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "386EF297833F1713FC568CF4161CB7D3", "names": [ "Alumina" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Grain Size", "scalars": [ { "value": "4", "uncertainty": "2" } ], "units": "$\\mu$m", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Structure Refinement of Mullite by the Rietveld Method and a New Method for Estimation of Chemical Composition, T. Ban and K. Okada, Journal of the American Ceramic Society, Vol. 75 1, pp. 227-230 (1992), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "38748A8532DEA6B05D54247D9F218DD6", "names": [ "Mullite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Axis Length", "scalars": [ { "value": "7.5459", "uncertainty": "0.0002" }, { "value": "7.6937", "uncertainty": "0.0001" }, { "value": "2.88346", "uncertainty": "0.00007" } ], "units": "$\\AA$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Axis", "scalars": [ { "value": "a" }, { "value": "b" }, { "value": "c" } ] }, { "name": "Specimen Number", "scalars": [ { "value": "SP1400.1" } ] } ] } ], "chemicalFormula": "Al4+2xSi2-2xO10-x" }, { "category": "system.chemical", "references": [ { "citation": "Elastic Properties of Stabilized HfO2 Compositions, S.L. Dole, O. Hunter,Jr., and F.W. Calderwood, Journal of the American Ceramic Society, Vol. 63 3, pp. 136-139 (1980), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "3878A35E4E1B776ECB4D24BBA080F826", "names": [ "Hafnia (cubic)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Hf-O:Gd" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Elastic Modulus", "scalars": [ { "value": "138" }, { "value": "129" } ], "units": "GPa", "conditions": [ { "name": "Volume Fraction of Porosity", "scalars": [ { "value": "0.164" }, { "value": "0.184" } ] }, { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "HfO2.xGd2O3" }, { "category": "system.chemical", "references": [ { "citation": "Elevated Temperature Mechanical Properties of SiC-AlN Particulate Composites, S.A. Mariano, D. 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Bar-On, Ceramic Engineering and Science Proceedings, Vol. 14, pp. 1077-1088 (1993), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "3888F6B3BAECF484DF73A44508E59EA9", "names": [ "Aluminum nitride composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-N:SiC" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Cercom" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "3.7", "uncertainty": "0.2" }, { "value": "3.4", "uncertainty": "0.3" }, { "value": "3.4", "uncertainty": "0.4" }, { "value": "5.7", "uncertainty": "0.7" }, { "value": "5.9", "uncertainty": "0.5" }, { "value": "5.2", "uncertainty": "1.3" }, { "value": "4.5", "uncertainty": "0.5" }, { "value": "2.9", "uncertainty": "0.6" }, { "value": "2.6", "uncertainty": "0.4" }, { "value": "3.4", "uncertainty": "0.4" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Mass Fraction of SiC", "scalars": [ { "value": "15" }, { "value": "15" }, { "value": "15" }, { "value": "45" }, { "value": "45" }, { "value": "45" }, { "value": "45" }, { "value": "90" }, { "value": "90" }, { "value": "90" } ], "units": "%" }, { "name": "Temperature", "scalars": [ { "value": "25" }, { "value": "700" }, { "value": "900" }, { "value": "25" }, { "value": "600" }, { "value": "800" }, { "value": "900" }, { "value": "25" }, { "value": "700" }, { "value": "900" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "AlN.xSiC" }, { "category": "system.chemical", "references": [ { "citation": "Anisotropic Thermal Expansion Coefficients of Y2O3- Stabilized Tetragonal Zirconia, H. 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Das and J. Mukerji, Advanced Ceramic Materials, Vol. 3 3, pp. 238-243 (1988), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "38CAB278559C1C991701C93638786C94", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Bar" } ] }, { "name": "Creep Rate", "scalars": [ { "value": "0.6" } ], "units": "10$^{-9}$ s$^{-1}$", "conditions": [ { "name": "Duration", "scalars": [ { "value": "18" } ], "units": "h" }, { "name": "Applied Stress", "scalars": [ { "value": "200" } ], "units": "MPa" }, { "name": "Temperature", "scalars": [ { "value": "1200" } ], "units": "$^{\\circ}$C" }, { "name": "Sample Number", "scalars": [ { "value": "4" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Properties of $\\beta$-Si3N4-Whisker/Si3N4- Matrix Composites, J. Homeny and L.J. 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Clark, Science of Hard Materials, pp. 891-909 (1983), edited by R.K. Viswanadham, D.J. Rowcliffe, and J. 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Genthe and H. Hausner, Berichte der Deutshen Keramischen Gesellschaft, Vol. 67 1, pp. 6-10 (1990), published by Deutsche Keramische Gesellschaft e.V.." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "54399DE12A1B6BCACEDD3A08C22120EF", "names": [ "Alumina" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Phase", "scalars": [ { "value": "Al2O3" }, { "value": "SiO2" } ], "conditions": [ { "name": "Mass Fraction", "scalars": [ { "value": "96.6" }, { "value": "3.150" } ], "units": "%" }, { "name": "Sample Number", "scalars": [ { "value": "A-S 300" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Effect of Silicon Carbide Whisker and Titanium Carbide Particulate Additions on the Friction and Wear Behavior of Silicon Nitride, C.R. Blanchard and R.A. 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Maeda, K. Nakamura, and M. Yamada, Journal of the American Ceramic Society, Vol. 72 3, pp. 512-514 (1989), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "54B47477C2B3E613292AB11F4642B942", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Porosity", "scalars": [ { "value": "0.319" } ], "units": "%", "conditions": [ { "name": "Sample Number", "scalars": [ { "value": "E" } ] } ] } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "Creep Behaviour of Alumina, Zirconia and Zirconia-Toughened Alumina, J. Chevalier, C. Olagnon, G. Fantozzi, and H. 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Goodrich, Ceramic Engineering and Science Proceedings, Vol. 12 9, pp. 1886-1913 (1991), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "54C858E1AB44BA37BFF91A14310BEE21", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "GTE" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "PY6" } ] }, { "name": "Tensile Strength", "scalars": [ { "value": "619" }, { "value": "447" }, { "value": "310" }, { "value": "153" } ], "units": "MPa", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "20" }, { "value": "1000" }, { "value": "1200" }, { "value": "1400" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Dense and Strong Zirconia Ceramics, E. 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Nixon, S. Chevacharoenkul, R.F. Davis, and T.N. Tiegs, Ceramic Transactions, Vol. 6, pp. 579-603 (1990), edited by S. Somiya, R.F. Davis, and J.A. 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Ohnishi, K. Maeda, T. Nakamura, and T.K. Kawanami, Ceramic Transactions, Vol. 6, pp. 605-612 (1990), edited by S. Somiya, R.F. Davis, and J.A. 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Wang, W.M. Rainforth, T. Wadsworth, and R. Stevens, Journal of the European Ceramic Society, Vol. 10, pp. 21-31 (1992), published by Elsevier Science Limited." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "695AF6A94AD477B0A1B36B30C6A779C0", "names": [ "Alumina" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "5.5" }, { "value": "4.6" }, { "value": "4.9" }, { "value": "4.3" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Grain Size", "scalars": [ { "value": "2.6" } ], "units": "$\\mu$m" }, { "name": "Notch Width", "scalars": [ { "value": "250" }, { "value": "510" }, { "value": "820" }, { "value": "1800" } ], "units": "$\\mu$m" }, { "name": "Specimen Number", "scalars": [ { "value": "III" } ] } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "High-Temperature Creep of Yttria-Stabilized Zirconia Single Crystals, J. Martinez-Fernandez, M. Jimenez-Melendo, A. Dominguez-Rodriguez, and A.H. Heuer, Journal of the American Ceramic Society, Vol. 73 8, pp. 2452-2456 (1990), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "697DA73C32824FDB0ACDB92202237BFF", "names": [ "Zirconia (cubic)" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Single Crystal" } ] }, { "name": "Creep Rate Exponent", "scalars": [ { "value": "7.3", "uncertainty": "0.5" }, { "value": "4.5", "uncertainty": "0.4" } ], "conditions": [ { "name": "Temperature Range", "scalars": [ { "minimum": "1300", "maximum": "1400" }, { "minimum": "1450", "maximum": "1550" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Melt Processing" } ], "chemicalFormula": "ZrO2.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "High Temperature Fracture of Boron Carbide: Experiments and Simple Theoretical Models, G. De With, Journal of Materials Science, Vol. 19, pp. 457-466 (1984), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "6982DF6E9D1490201EA9BE3F99DFE428", "names": [ "Boron carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "B-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "ESK" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "Tetrabor" } ] }, { "name": "Impurity", "scalars": [ { "value": "Fe" }, { "value": "Si" } ], "conditions": [ { "name": "Mass Fraction of Impurity", "scalars": [ { "value": "0.1" } ], "units": "%" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "B4C" }, { "category": "system.chemical", "references": [ { "citation": "Nonmetallic Crystals with High Thermal Conductivity, G.A. 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Seshadri, J.S. Zanghi, and J.E. Garnier, American Ceramic Society Bulletin, Vol. 66 2, pp. 325-329 (1987), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "699549A2FD9444ED7F9BECEE3DFD7DB9", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Sohio Engineered Materials Co." } ] }, { "name": "Thermal Conductivity", "scalars": [ { "value": "126" } ], "units": "W m$^{-1}$ K$^{-1}$", "conditions": [ { "name": "Test Temperature", "scalars": [ { "value": "20" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "Fracture Mechanism Maps for Advanced Structural Ceramics Part 2: Sintered silicon nitride, G.D. Quinn and W.R. Braue, Journal of Materials Science, Vol. 25, pp. 4377-4392 (1990), published by Chapman and Hall." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "6999A243C0B25050ED7F43F671F453E7", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:Al" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "GTE" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "SNW-1000" } ] }, { "name": "Weibull Modulus", "scalars": [ { "value": "10.3" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Si3N4.xY2O3.yAl2O3" }, { "category": "system.chemical", "references": [ { "citation": "Structure Refinement of Mullite by the Rietveld Method and a New Method for Estimation of Chemical Composition, T. Ban and K. Okada, Journal of the American Ceramic Society, Vol. 75 1, pp. 227-230 (1992), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "69A2BFBA065FF4D68BA386425395163F", "names": [ "Mullite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Axis Length", "scalars": [ { "value": "7.6156", "uncertainty": "0.0006" }, { "value": "7.6780", "uncertainty": "0.0006" }, { "value": "2.8859", "uncertainty": "0.0002" } ], "units": "$\\AA$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Axis", "scalars": [ { "value": "a" }, { "value": "b" }, { "value": "c" } ] }, { "name": "Specimen Number", "scalars": [ { "value": "SH975.1/2" } ] } ] } ], "chemicalFormula": "Al4+2xSi2-2xO10-x" }, { "category": "system.chemical", "references": [ { "citation": "Property Screening and Evaluation of Ceramic Turbine Materials, D.C. Larsen and J.W. Adams, AFWAL Contract Report TR-83-4141 (1984), published by National Technical Information Service." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "69BDFF9F45940DBD886846345F2D3D32", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Norton Company" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "NC-430" } ] }, { "name": "Thermal Expansion", "scalars": [ { "value": "4.33" } ], "units": "x10$^{-6}$", "conditions": [ { "name": "Temperature Range", "scalars": [ { "minimum": "20", "maximum": "1000" } ], "units": "$^{\\circ}$C" } ] } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "High-Temperature Elastic Properties of Polycrystalline MgO and Al2O3, N. Soga and O.L. Anderson, Journal of the American Ceramic Society, Vol. 49 7, pp. 355-359 (1966), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "69E21FB9E22665FA5CB79E3D20442FAC", "names": [ "Magnesia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Mg-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Avco Co." } ] }, { "name": "Poissons Ratio", "scalars": [ { "value": "0.188" }, { "value": "0.189" }, { "value": "0.191" }, { "value": "0.194" }, { "value": "0.196" }, { "value": "0.198" }, { "value": "0.201" }, { "value": "0.203" }, { "value": "0.205" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "300" }, { "value": "400" }, { "value": "500" }, { "value": "600" }, { "value": "700" }, { "value": "800" }, { "value": "900" }, { "value": "1000" }, { "value": "1100" } ], "units": "K" } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "MgO" }, { "category": "system.chemical", "references": [ { "citation": "Effects of Environment on the Mechanical Behavior of High-Performance Ceramics, G.A. Graves and N.L. Hecht, Report No. UDR-TR-94-136, pp. 1-138 (1995), published by University of Dayton Research Institute." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "69F48D271C749C20672AD34DC6BCC63F", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "GTE" } ] }, { "name": "Density", "scalars": [ { "value": "3.27" } ], "units": "g cm$^{-3}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" } ] } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Behavior MoSi2 Reinforced-Si3N4 Matrix Composites, J.J. Petrovic, M.I. Pena, I.E. Reimanis, M.S. Sandlin, S.D. Conzone, H.H. Kung, and D.P. 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Smith and H.W. Newkirk, Acta Crystallographica, Vol. 18, pp. 983-991 (1965), published by Munksgaard International Booksellers and Publishers Ltd.." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "6C505A8393DD1D631739CC707C4AD5B3", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Single Crystal" } ] }, { "name": "Relative Atomic Coordinate", "scalars": [ { "value": "0.2759", "uncertainty": "0.0002" }, { "value": "0.0411", "uncertainty": "0.0002" }, { "value": "0.2082", "uncertainty": "0.0002" }, { "value": "0.0703", "uncertainty": "0.0015" }, { "value": "0.3359", "uncertainty": "0.0014" }, { "value": "0.3406", "uncertainty": "0.0013" }, { "value": "0.4423", "uncertainty": "0.0015" }, { "value": "0.7549", "uncertainty": "0.0014" }, { "value": "0.4789", "uncertainty": "0.0013" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Atom : Coord.", "scalars": [ { "value": "Zr : x" }, { "value": "Zr : y" }, { "value": "Zr : z" }, { "value": "O(1) : x" }, { "value": "O(1) : y" }, { "value": "O(1) : z" }, { "value": "O(2) : x" }, { "value": "O(2) : y" }, { "value": "O(2) : z" } ] } ] } ], "preparation": [ { "name": "Flux Growth" } ], "chemicalFormula": "ZrO2" }, { "category": "system.chemical", "references": [ { "citation": "Microstructure and Material Properties of SiC-TiB2 Particulate Composites, C.H. McMurtry, W.D.G. Boecker, S.G. Seshadri, J.S. Zanghi, and J.E. 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Hendry, Journal of the European Ceramic Society, Vol. 13, pp. 247-256 (1994), published by Elsevier Science Ltd.." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "8BE2ED537A943B3749A924C4DA3D7B6C", "names": [ "Mullite composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-Si-O:sialon" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Fracture Toughness", "scalars": [ { "value": "3.5", "uncertainty": "0.1" }, { "value": "3.7", "uncertainty": "0.2" }, { "value": "3.2", "uncertainty": "0.1" } ], "units": "MPa m$^{1/2}$", "conditions": [ { "name": "Processing Condition", "scalars": [ { "value": "Milled" }, { "value": "Milled" }, { "value": "Unmilled" } ] }, { "name": "Density", "scalars": [ { "value": "3.10" }, { "value": "3.12" }, { "value": "2.98" } ], "units": "g/cm$^{3}$" }, { "name": "Grain Size", "scalars": [ { "value": "1.7", "uncertainty": "1" }, { "value": "1.4", "uncertainty": "1" }, { "value": "-" } ], "units": "$\\mu$m" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "3Al$_{2}$O$_{3}\\cdot$2SiO$_{2}\\cdot$ySi$_{6}$-xAl$_{x}$O$_{x}$N$_{8}$-x" }, { "category": "system.chemical", "references": [ { "citation": "Test Methodology for Tubular Components, J.J. 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Liu, X.N. Huang, and P.S. Nicholson, American Ceramic Society Bulletin, Vol. 71 1, pp. 110-115 (1992), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "8C37A7CC3C4DD307075A6AC3CD33D161", "names": [ "Zirconia composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O:Al" } ] }, { "name": "Sintering Aid", "scalars": [ { "value": "Y2O3" } ], "conditions": [ { "name": "Sintering Aid Molar Fraction", "scalars": [ { "value": "2.5" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "ZrO2.wY2O3.x$\\gamma$-Al2O3" }, { "category": "system.chemical", "references": [ { "citation": "Fracture Mechanism Maps for Advanced Structural Ceramics Part 2: Sintered silicon nitride, G.D. Quinn and W.R. 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Skopp, M. Woydt, and K.H. Habig, Tribology International, Vol. 23 3, pp. 189-199 (1990), published by Butterworth-Heinemann Ltd." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "8CFC69318B07679E5AC5A846BB468A01", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Toshiba" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "FX-950" } ] }, { "name": "Thermal Expansion", "scalars": [ { "value": "3.6" } ], "units": "x10$^{-6}$", "conditions": [ { "name": "Temperature Range", "scalars": [ { "minimum": "22", "maximum": "1000" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Hot Isostatic Pressing" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "Fracture of Yttria-Doped, Sintered Reaction-Bonded Silicon Nitride, R.K. Govila, J.A. Mangels, and J.R. Baer, Journal of the American Ceramic Society, Vol. 68 7, pp. 413-418 (1985), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "8D043A0BB0691A62867C78B47D0A38C4", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:Y" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Production Form", "scalars": [ { "value": "Bar" } ] }, { "name": "Flexural Strength", "scalars": [ { "value": "696", "uncertainty": "83" }, { "value": "689", "uncertainty": "50" }, { "value": "684", "uncertainty": "63" }, { "value": "608", "uncertainty": "80" }, { "value": "536", "uncertainty": "55" }, { "value": "519", "uncertainty": "20" }, { "value": "472", "uncertainty": "52" }, { "value": "770", "uncertainty": "37" }, { "value": "641", "uncertainty": "98" }, { "value": "703", "uncertainty": "110" }, { "value": "682", "uncertainty": "110" } ], "units": "MPa", "conditions": [ { "name": "Test Temperature", "scalars": [ { "value": "20" }, { "value": "500" }, { "value": "800" }, { "value": "1000" }, { "value": "1200" }, { "value": "1300" }, { "value": "1400" }, { "value": "20" }, { "value": "20" }, { "value": "20" }, { "value": "20" } ], "units": "$^{\\circ}$C" }, { "name": "Oxidation Temperature", "scalars": [ { "value": "-" }, { "value": "-" }, { "value": "-" }, { "value": "-" }, { "value": "-" }, { "value": "-" }, { "value": "-" }, { "value": "700" }, { "value": "1000" }, { "value": "1200" }, { "value": "1400" } ], "units": "$^{\\circ}$C" } ] } ], "preparation": [ { "name": "Reaction Bonding" } ], "chemicalFormula": "Si3N4.xY2O3" }, { "category": "system.chemical", "references": [ { "citation": "Complex Investigation of Hot-Pressed Boron Carbide, G.A. 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Vassen, X. Cao, F. Tietz, D. Basu, and D. Stover, Journal of the American Ceramic Society, Vol. 83 8, pp. 2023-2028 (2000), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "B07EDC41744480E7BC6EB1746C23EBB3", "names": [ "Barium zirconate" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Ba-Zr-O" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Thermal Expansion", "scalars": [ { "value": "5.84" }, { "value": "5.64" }, { "value": "6.55" }, { "value": "6.80" }, { "value": "6.69" }, { "value": "7.14" }, { "value": "7.44" }, { "value": "7.68" }, { "value": "7.87" }, { "value": "8.01" }, { "value": "8.19" }, { "value": "8.09" }, { "value": "8.29" } ], "units": "x10$^{-6}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "136" }, { "value": "234" }, { "value": "327" }, { "value": "432" }, { "value": "537" }, { "value": "635" }, { "value": "734" }, { "value": "833" }, { "value": "931" }, { "value": "1030" }, { "value": "1122" }, { "value": "1233" }, { "value": "1332" } ], "units": "$^{\\circ}$C" }, { "name": "$\\Delta$L/Lo", "scalars": [ { "value": "0.066" }, { "value": "0.119" }, { "value": "0.199" }, { "value": "0.278" }, { "value": "0.344" }, { "value": "0.437" }, { "value": "0.529" }, { "value": "0.622" }, { "value": "0.715" }, { "value": "0.807" }, { "value": "0.900" }, { "value": "0.979" }, { "value": "1.085" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "BaZrO3" }, { "category": "system.chemical", "references": [ { "citation": "Characterization Studies of Transformation-Toughened Ceramics, N.L. 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Skopp, M. Woydt, and K.H. 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Nixon, S. Chevacharoenkul, R.F. Davis, and T.N. Tiegs, Ceramic Transactions, Vol. 6, pp. 579-603 (1990), edited by S. Somiya, R.F. Davis, and J.A. 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Jackson, A.V. Virkar, K.L. More, R.B. Dinwiddie,Jr., and R.A. Cutler, Journal of the American Ceramic Society, Vol. 80 6, pp. 1421-1435 (1997), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "D8B0AAEB66B4328EF201CCD1C368AB3D", "names": [ "Aluminum nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Al-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Thermal Conductivity", "scalars": [ { "value": "176" }, { "value": "171" }, { "value": "172" }, { "value": "181" }, { "value": "184" }, { "value": "180" }, { "value": "166" }, { "value": "164" }, { "value": "163" }, { "value": "160" }, { "value": "165" }, { "value": "164" }, { "value": "150" } ], "units": "W m$^{-1}$ K$^{-1}$", "conditions": [ { "name": "Additive", "scalars": [ { "value": "Y2O3" }, { "value": "La2O3" }, { "value": "Pr2O3" }, { "value": "Nd2O3" }, { "value": "Sm2O3" }, { "value": "Gd2O3" }, { "value": "Tb2O3" }, { "value": "Dy2O3" }, { "value": "Ho2O3" }, { "value": "Er2O3" }, { "value": "Tm2O3" }, { "value": "Yb2O3" }, { "value": "Lu2O3" } ] }, { "name": "Density", "scalars": [ { "value": "3.31" }, { "value": "3.28" }, { "value": "3.39" }, { "value": "3.41" }, { "value": "3.42" }, { "value": "3.44" }, { "value": "3.42" }, { "value": "3.43" }, { "value": "3.45" }, { "value": "3.43" }, { "value": "3.45" }, { "value": "3.43" }, { "value": "3.44" } ], "units": "g$\\cdot$cm$^{-3}$" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "AlN" }, { "category": "system.chemical", "references": [ { "citation": "Engineering Properties of Nitrides, S. 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Page, Journal of the American Ceramic Society, Vol. 73 11, pp. 3442-3452 (1990), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "E1B2B4F3B5E231A05A04A8BAA822A9E7", "names": [ "Silicon nitride composite" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N:CeO" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Phase", "scalars": [ { "value": "Si3N4" }, { "value": "CeO2" }, { "value": "SiC" } ], "conditions": [ { "name": "Volume Fraction of Phase", "scalars": [ { "value": "-" }, { "value": "-" }, { "value": "10" } ], "units": "%" }, { "name": "Mass Fraction of Phase", "scalars": [ { "value": "(1-x)$\\cdot$0.94" }, { "value": "(1-x)$\\cdot$0.06" }, { "value": "x" } ] } ] } ], "preparation": [ { "name": "Hot Pressing" } ], "chemicalFormula": "Si3N4.xCeO2.ySiC" }, { "category": "system.chemical", "references": [ { "citation": "Corrosion of Silicon Nitride Ceramics in HF and HCl Solutions, M. 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Pentecost, Journal of the American Ceramic Society, Vol. 68 10, pp. C-285-C-286 (1985), published by American Ceramic Society." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "E1DB211A38808517918AB3F3E19AF319", "names": [ "Zirconia" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Zr-O" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Magnesium Electron, Inc." } ] }, { "name": "Production Form", "scalars": [ { "value": "Powder" } ] }, { "name": "Relative Atomic Coordinate", "scalars": [ { "value": "0.2742", "uncertainty": "0.0004" }, { "value": "0.0389", "uncertainty": "0.0003" }, { "value": "0.2095", "uncertainty": "0.0004" }, { "value": "0.0628", "uncertainty": "0.0023" }, { "value": "0.3279", "uncertainty": "0.0021" }, { "value": "0.3471", "uncertainty": "0.0018" }, { "value": "0.4485", "uncertainty": "0.0023" }, { "value": "0.7554", "uncertainty": "0.0016" }, { "value": "0.4819", "uncertainty": "0.0030" } ], "conditions": [ { "name": "Temperature", "scalars": [ { "value": "23" } ], "units": "$^{\\circ}$C" }, { "name": "Atom", "scalars": [ { "value": "Zr" }, { "value": "Zr" }, { "value": "Zr" }, { "value": "O(1)" }, { "value": "O(1)" }, { "value": "O(1)" }, { "value": "O(2)" }, { "value": "O(2)" }, { "value": "O(2)" } ] }, { "name": "Coordinate", "scalars": [ { "value": "x" }, { "value": "y" }, { "value": "z" }, { "value": "x" }, { "value": "y" }, { "value": "z" }, { "value": "x" }, { "value": "y" }, { "value": "z" } ] } ] } ], "chemicalFormula": "ZrO2" }, { "category": "system.chemical", "references": [ { "citation": "Structure Refinement of Mullite by the Rietveld Method and a New Method for Estimation of Chemical Composition, T. 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Sirota, A.M. Kuzmina, and N.W. 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Habig, Tribology International, Vol. 23 3, pp. 189-199 (1990), published by Butterworth-Heinemann Ltd." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "F4B264865EFCFB68E52F56D49FB595A9", "names": [ "Silicon nitride" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-N" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Feldmuhle AG" } ] }, { "name": "Commercial Name", "scalars": [ { "value": "ND200" } ] }, { "name": "Phase", "scalars": [ { "value": "Si3N4" }, { "value": "SiO2" }, { "value": "Al2O3" }, { "value": "Y2O3" }, { "value": "MgO" }, { "value": "CaO" } ], "conditions": [ { "name": "Mass Fraction of Phase", "scalars": [ { "value": "78.99" }, { "value": "6.825" }, { "value": "3.97" }, { "value": "10.16" }, { "value": "0.008" }, { "value": "0.047" } ], "units": "%" } ] } ], "preparation": [ { "name": "Sintering" } ], "chemicalFormula": "Si3N4" }, { "category": "system.chemical", "references": [ { "citation": "The Evaluation of Environmental Effects in Toughened Ceramics for Advanced Heat Engines Investigation of Selected SiC and Si3N4 Ceramics, N.L.Hecht, G.A.Graves, D.E.McCullum, A.P.Berens, S.Goodrich, J.D.Wolf, J.R.Hoenigman, P.Yaney, D.Grant, and S.Hilton, ORNL Report Number: ORNL/Sub/84-00221/2, pp. 1-111 (1990), published by Oak Ridge National Laboratory." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "F4DC7AA4851815511247257BC9BA8B4D", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Manufacturer", "scalars": [ { "value": "Sohio Engineered Materials Co." } ] }, { "name": "Thermal Expansion", "scalars": [ { "value": "5.9" }, { "value": "5.2" } ], "units": "x10$^{-6}$", "conditions": [ { "name": "Temperature", "scalars": [ { "value": "1465" }, { "value": "1475" } ], "units": "$^{\\circ}$C" }, { "name": "Specimen Number", "scalars": [ { "minimum": "5", "maximum": "7" } ] } ] } ], "preparation": [ { "name": "Pressureless Sintering" } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "Mechanical Properties of Hot Isostatically Pressed Si3N4 and Si3N4/SiC composites, O. 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Eyre, Wear, Vol. 138, pp. 169-187 (1990), published by Elsevier Science S.A.." } ], "licenses": [ { "name": "NIST_SRD-30" } ], "uid": "F520D4D5354CDC45A35F642C52E91840", "names": [ "Silicon carbide" ], "properties": [ { "name": "Chemical Family", "scalars": [ { "value": "Si-C" } ] }, { "name": "Crystallinity", "scalars": [ { "value": "Polycrystalline" } ] }, { "name": "Log Wear Rate", "scalars": [ { "value": "13.000" }, { "value": "12.602" }, { "value": "12.602" }, { "value": "12.869" }, { "value": "12.452" }, { "value": "13.000" } ], "units": "mm$^{3}$ m$^{-1}$ N$^{-1}$", "conditions": [ { "name": "Specimen Component", "scalars": [ { "value": "lower" }, { "value": "lower" }, { "value": "lower" }, { "value": "upper" }, { "value": "upper" }, { "value": "upper" } ] }, { "name": "Temperature", "scalars": [ { "value": "300" }, { "value": "600" }, { "value": "900" }, { "value": "23" }, { "value": "300" }, { "value": "600" } ], "units": "$^{\\circ}$C" }, { "name": "Environment", "scalars": [ { "value": "air" } ] } ] } ], "chemicalFormula": "SiC" }, { "category": "system.chemical", "references": [ { "citation": "High Temperature-Elastic Moduli and Internal Dilational and Shear Frictions of Fused Quartz, M. 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