Applied Mathematics and Mechanics (English Edition) ›› 2002, Vol. 23 ›› Issue (9): 1009-1015.

• 论文 • 上一篇    下一篇

A NEW MODEL OF SHAPE MEMORY ALLOYS

朱祎国1, 吕和祥1, 杨大智2   

  1. 1. Department of Mechanical Engineering, Dalian University of Technology, Dalian 116023, P.R.China;
    2. Department of Material Engineering, Dalian University of Technology, Dalian 116023, P.R.China
  • 收稿日期:2000-11-28 修回日期:2002-03-22 出版日期:2002-09-18 发布日期:2002-09-18
  • 通讯作者: LÜ He-xiang
  • 基金资助:

    Foundation item:the National Natural Science Foundation of China(59731030)

A NEW MODEL OF SHAPE MEMORY ALLOYS

ZHU Yi-guo1, LÜ He-xiang1, YANG Da-zhi2   

  1. 1. Department of Mechanical Engineering, Dalian University of Technology, Dalian 116023, P.R.China;
    2. Department of Material Engineering, Dalian University of Technology, Dalian 116023, P.R.China
  • Received:2000-11-28 Revised:2002-03-22 Online:2002-09-18 Published:2002-09-18
  • Supported by:

    Foundation item:the National Natural Science Foundation of China(59731030)

摘要: A new constitutive model of shape memory alloys (SMAs) based on Tanaka’ s martensite fraction exponential expression is produced. This new model can present recoverable shape memory strain during different phase transformation, and reflect the action of martensite reorientation. Also it can overcome the defect of Tanaka’ s Model when the SMAs’ microstructure is fully martensite. The model is very simple and suitable for using, and the correct behavior of the model is proved by test.

Abstract: A new constitutive model of shape memory alloys (SMAs) based on Tanaka’ s martensite fraction exponential expression is produced. This new model can present recoverable shape memory strain during different phase transformation, and reflect the action of martensite reorientation. Also it can overcome the defect of Tanaka’ s Model when the SMAs’ microstructure is fully martensite. The model is very simple and suitable for using, and the correct behavior of the model is proved by test.

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