常用材料参数表材料GaAsAlNCuInAuSnAlGaAsAl热导率（W/m*K）441803988257142391112.154529809031818003467120502193003260比热容（J/Kg*K）330600390233150450880390366366450密度（Kg/m³）531732308960731014700376027004540458248524680235.85.85.828.22.81314.41.2204.56热膨胀系数（*10^-6/k）6.44.516.53116Al0.5Ga0.5AsAl0.3Ga0.7AsAl0.55Ga0.45AsSnPbSiNiAu金刚石膜InSnInP弹性模量（*10^10Pa）8.8531111.276.8泊松比0.310.360.340.44980.40570.333.213.10.350.387.11.60.250.45