用光学显微镜直接观察了合金在弯曲时应力诱发马氏体的增长和消失过程。
The growth and disappearance of induced martensite plates under bending stress have been also directly observed by the optical microscope.
形状记忆合金利用应力诱发马氏体相变或温度诱发马氏体相变实现形状记忆效应，是一种新兴的功能材料。
Shape memory effect of alloy is obtained by making use of martensitic phase transformation induced by stress or temperature. Shape memory alloy is a new kind of function materials.
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