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用直接观察的方法研究了不同温度和应力情况下,Cu-Al-Ni合金马氏体形貌的变化,并测定试样相应长度的变化。发现“伪弹性”和“形状记忆”效应与马氏体形貌变化密切相关。
The change of martensite morphology of Cu-Al-Ni alloy under different temperature and stress conditions was investigated by direct observation method, and the change of the corresponding length of the sample was measured. It is found that the effects of “pseudo-elasticity” and “shape memory” are closely related to the changes of martensite morphology.