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SI C
碳化硅的主要技术性能? Main Performance Index of Silicon Carbide

????? 性能? Property

单位 Unit 数值 Numerial Value
????? 纯度? Purity % ≥92
????? 密度? Density g/cm3 3.0~3.1
????? 抗拉强度? Anti-tensile strength Mpa 2.75×10
????? 抗弯强度? Anti-bending strength Mpa 300-460
????? 抗压强度? Anti-compression strength Mpa 275-280
????? 硬度? Hardness HS 105
????? 弹性模量? Elastic Modulus Gpa 350-420
????? 热导率? Heat Guide Rate w/cm.k 4.2
????? 热膨胀系数? Coefficient of heat expansion ×10-6 / 4-4.5
????? 耐热温度(大气中)?? Heat Resistance (in the atmosphere) 1600-1800
????? 热冲击系数? Thermal impact coefficient cal/cm.sec 47
????? 耐酸性? Acid resistance 3-5 times higher than the usual WC
????? 泊桑比? Poisson ratio 0.15