采用不同的预处理工艺，在Ｆｅ－１４Ｍｎ－５Ｓｉ－９Ｃｒ－５Ｎｉ合金的原始组织中，引入不均匀的全位错、回复亚晶、α′马氏体和化合物相来强化母相奥氏体，测试了合金在不同组织状态时的形状记忆效应．结果表明：对母相奥氏体的强化，能有效抑制预应变时奥氏体的不可逆塑性变形，从而使合金的回复应变和形状回复率显著提高 Different pretreatment techniques were used to reinforce the parent austenite in the original microstructure of the Fe-14Mn-5Si-9Cr-5Ni alloy by introducing nonuniform all-dislocations, recovering the subgrain, α ’martensite and compound phases , The shape memory effect of the alloy in different tissue state was tested. The results show that the strengthening of the parent austenite can effectively restrain the irreversible plastic deformation of the austenite during pre-strain, so that the recovery strain and the shape recovery rate of the alloy are significantly increased