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| Property | Value | Conditions | Reference |
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| Density | 6240 .. 6290 kg/m^3 | Ceramic | CRC Materials Science and Engineering Handbook, p.52 | | Electrical resistivity | 215000 Ω*m | Ceramic,at temp=22 C | CRC Materials Science and Engineering Handbook, p.567 | | Electrical resistivity | 189000 Ω*m | Ceramic,at temp=-80 C | CRC Materials Science and Engineering Handbook, p.567 | | Electrical resistivity | 75 .. 800000 Ω*m | Ceramic,at temp=1600 C | CRC Materials Science and Engineering Handbook, p.567 | | Hardness,Knoop(KH) | 1257 kg/mm/mm | 100g,Ceramic | CRC Materials Science and Engineering Handbook, p.475 | | Hardness,Vickers(VH) | 1290 .. 1550 kg/mm/mm | 100g,Ceramic | CRC Materials Science and Engineering Handbook, p.475 | | Heat capacity | 4180 .. 5850 J/kg/K | At temp=425-1000 C. | CRC Materials Science and Engineering Handbook, p.263 | | Modulus of Rupture | 0.1281 GPa | Ceramic,density=5570 kg/m/m/m,at room temperature | CRC Materials Science and Engineering Handbook, p.536 | | Modulus of Rupture | 0.3497 GPa | Ceramic,sintered,at room temperature | CRC Materials Science and Engineering Handbook, p.536 | | Poisson's Ratio | 0.158 .. 0.172 | Ceramic | CRC Materials Science and Engineering Handbook, p.539 | | Tensile strength | 0.2759 GPa | Ceramic,at temp=980 C | CRC Materials Science and Engineering Handbook, p.408 | | Tensile strength | 0.2908 GPa | Ceramic,at temp=1090 C | CRC Materials Science and Engineering Handbook, p.408 | | Tensile strength | 0.2952 GPa | Ceramic,at temp=1200 C | CRC Materials Science and Engineering Handbook, p.408 | | Tensile strength | 0.2832 GPa | Ceramic,at temp=1300 C | CRC Materials Science and Engineering Handbook, p.408 | | Thermal conductivity | 53.92 W/m/K | Ceramic,at temp=150 C. | CRC Materials Science and Engineering Handbook, p.288 | | Thermal conductivity | 30.93 W/m/K | Ceramic,at temp=425 C. | CRC Materials Science and Engineering Handbook, p.288 | | Thermal conductivity | 22.15 W/m/K | Ceramic,at temp=540 C. | CRC Materials Science and Engineering Handbook, p.288 | | Thermal conductivity | 23.83 W/m/K | Ceramic,at temp=650 C. | CRC Materials Science and Engineering Handbook, p.288 | | Thermal conductivity | 19.23 W/m/K | Ceramic,at temp=875 C. | CRC Materials Science and Engineering Handbook, p.288 | | Thermal conductivity | 17.14 W/m/K | Ceramic,at temp=1100 C. | CRC Materials Science and Engineering Handbook, p.288 | | Young's Modulus | 271.06 GPa | Ceramic,at room temperature | CRC Materials Science and Engineering Handbook, p.512 |
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