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本文叙述了功能梯度材料（ＦＧＭ）成分设计的计算过程，依此方法设计出的功能梯度材料可以使各结合部位由于热应力特性不匹配造成的内应力降为最小。
In this paper, the calculation process of FGM composition is described. The functionally graded material designed by this method can minimize the internal stress caused by the mismatch of thermal stress characteristics at each joint.