本文对51.6at.-%Ni-Ti形状记忆合金在不同热处理状态下的应力-应变曲线和显微组织结构特征,进行了测试和观察.对预马氏体转变现象和可能的机制以及温度诱发马氏体、应变诱发马氏体的形态和亚结构、弥散析出第二相进行了讨论.
The stress-strain plot and microstructure of 51.6 at.-% Ni-Ti shape-memory alloywere examined and observed under different heat treatments.The phenomena andpossible machanism o f Premartensitic transition,the morphology and substructureof martensite induced by temperature or strain as well as the dispersed χ-phase pre-cipitation of the alloy were also discussed.
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