OALib Journal期刊
ISSN: 2333-9721
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形状记忆合金的细观力学本构模型
, PP. 919-924
Keywords: 形状记忆合金,形状记忆因子,演化方程
Abstract:
定义了一个能反映形状记忆合金超弹性和形状记忆效应的概念形状记忆因子.利用相变过程中自由能与马氏体体积分数之间的微分关系,推导了形状记忆因子演化方程.从细观力学角度建立了一个考虑马氏体择优取向过程的形状记忆合金三维本构模型.与功能相同的现有模型相比,该模型具有更简单的数学表述和清晰的物理意义.
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