球墨铸铁的热导率及电阻率

作者：bearingpower        发表时间：2010-12-12

球墨铸铁的热导率及电阻率关键字： 球墨铸铁的热导率金相组织（％）石墨大小?×100化学成分（％）热导率〔W/(m?K)〕铁素体珠光体石墨CSiMnPSMgNi855102.063.364.340.400.0300.0100.061.2335.2553592.443.473.520.290.0300.0120.061.336.0306194.713.571.120.330.0350.0040.061.3337.7585104.443.332.280.500.00.0100.061.1235.7球墨铸铁的电阻率材料基体组织化学成分（％）电阻率／(uΩ?cm)铁素体球墨铸铁铁素体95％+珠光体5％C3.60~3.62,Si2.4,Mn0.5,P0.08755珠光体球墨铸铁珠光体95％+铁素体5％59