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A multi-dimensional constitutive model for shape memory alloys

✍ Scribed by C. Liang; C. A. Rogers

Publisher
Springer
Year
1992
Tongue
English
Weight
656 KB
Volume
26
Category
Article
ISSN
0022-0833

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✦ Synopsis

This paper presents a multi-dimensional thermomechanical constitutive model for shape memory alloys (SMAs). This constitutive relation is based upon a combination of both micromechanics and macromechanics. The martensite fraction is introduced as a variable in this model to reflect the martensitic transformation that determines the unique characteristics of shape memory alloys. This constitutive relation can be used to study the complex behavior associated with 2-D and 3-D SMA structures. A simple example using this constitutive model is also presented, which reveals a new and interesting phenomenon of 3-D SMA structures.

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