母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution is found in material.
焊点处形状记忆效应消失，在焊点熔核外热影响区以外形状记忆效应跟母材相同。
The shape memory effect in weld disappear, beyond the HAZ, shape memory effect resume.
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution was found in material.
母材区除了奥氏体组织外，存在铜元素的扩散。
Other than austenite, copper element dissolution was found in material.
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