金属和玻璃胶合体热膨胀仿真及实验验证

Simulation and experimental verification of thermal expansion of metal and glass cementing bodies

仿真分析了热膨胀系数不同的金属和玻璃胶合体在不同温度下的形变,同时使用热膨胀仪测试了不同金属的热膨胀系数,随后,将热膨胀系数不同的金属分别与相同材料的玻璃进行胶合,最后将胶合体置于半封闭空间并对其整体进行加热,采用哈特曼波前测试系统测试胶合体的形变。结果表明,胶合体的仿真数据和实验数据基本吻合。该仿真与实验结果,对不同材料属性的胶合体在热膨胀匹配设计方面具有一定的指导意义。

The stress of different adhesive bodies were simulated and analyzed at different temperature,and the thermal expansion coefficient of different metals were tested by the Thermal Expansion Instrument.Then,the metals with different thermal expansion coefficient were bonded to the glass separately,then the adhesive bodies were heated in a semi-enclosed space and their deformation were measured by Hartmann.The results show that the simulation data of the adhesive bodies agree well with the experiment data.It can be used to guide the design of thermal expansion matching for different attributes materials.