The paper uses the theory of thermal performance of composites and finite element analysis software called ADINA to analyze the temperature field and stress field of functional gradient material pistons which have different material gradient equations.

• 应用复合材料热性能理论,采用有限元分析软件AD INA分析具有不同参数的材料梯度方程的陶瓷纤维梯度增强活塞的温度分布和应力分布。