材料比較表
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性質氧化鋁
Al2 O3氧化鋯
ZrO2碳化矽SiC氮化矽
Si3 N4賽龍Sialon碳化鎢WC玻璃Glass氮化硼BN氮化鋁AlN碳化硼
B4 C碳鋼Steel -
密度(g/㎝3 )3.96.03.23.33.2152.52.03.22.57.8
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熱傳導率(W/m*°K)281.81262721631.5301604051.9
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熱膨脹係數(10-6 /℃)810.142.3360.524.45.613.6
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微硬度(Kgf/㎜2 )160014002300150016001600100022012003200126
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比熱(J/㎏*°K)8804007007006203907401850730930448
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彈性係數(GPa)3702004103103007007062340450200
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抗拉強度(MPa)262700400524450896-41400350520
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抗壓強度(MPa)260018503900250035006100110014320702800-
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抗折強度(MPa)3806905507806005506973350400-
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破裂韌性(MPa*m0.5 )3.69.54.67.76.5251-2.63.014
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波爾松比(Poisson's ratio)0.260.230.190.240.230.180.20.130.250.150.3
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熔點或分解點(℃)20532700270019001900287022002600240024501450