摘要
使用激光导热仪测试4种炭黑以不同体积分数填充天然橡胶复合材料的导热性能。介绍了激光导热仪的测试原理、测试前的准备工作、测试过程以及测试工作的注意事项等,给出热扩散系数、比热与导热系数随温度的变化规律和不同炭黑的导热性能对比情况,并进行合理性分析。结果表明,采用激光导热仪测试橡胶导热性能是可行的,采用的方法是可靠的。
Thermal conductivity of four kinds of carbon black filled natural rubber with different volume percent was studied by laser thermal conductivity testing instrument.Theory of the instrument,the preparation work before measurment,the processing,and the matters needing attention were introduced.The dependence of thermal diffusion coefficient,specific heat and thermal conductivity on temperature were shown,and the thermal conductivity of different kinds of carbon black filled rubber was compared and analyzed.Th...
出处
《实验室研究与探索》
CAS
北大核心
2010年第4期11-13,26,共4页
Research and Exploration In Laboratory
基金
国家自然科学基金资助项目(50773034)
关键词
激光导热仪
炭黑
橡胶
laser thermal conductivity testing instrument
carbon black
rubber