顶杆法热膨胀系数测试在材料性能研究中的应用

Application of Thermal Expansion Coefficient Measurement by Push Rod Method in Material Properties Study

通过测试材料热膨胀系数随温度的变化情况,可以了解材料的热物理性能和温度变化过程中材料内部发生的化学反应。综述了利用顶杆法测试材料热膨胀系数在材料热物理性能测试、研究及工艺制定等方面的应用,详细介绍了各种应用的背景和测试要点,并指出了热膨胀测试设备未来的发展趋势。

By measuring the change of thermal expansion coefficient of materials with temperature,the thermophysical properties of materials and the chemical reactions in the process of temperature change can be studied.the application of measuring the thermal expansion coefficient of materials by means of push rod method in the measurement of thermophysical properties,research and technological development of materials were reviewed,and it was introduced the background and test points of various applications in detail,and the development trend of the thermal expansion test equipment in the future was pointed out.