A class of shape memory alloy constitutive models based on a new set of internal variables
Publish place: 18th Annual Conference of Mechanical Engineering
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME18_418
تاریخ نمایه سازی: 1 تیر 1389
Abstract:
In this paper we use the set of internal variables recently proposed by the authors to introduce a class of constitutive models for shape memory alloys. Such a class is based on the thermodynamics of irreversible processes with internal variables. A measure of martensite fraction and a measure of the preferred direction of variants are used as internal variables, describing thermo-elastic reversible martensitic phase transformation and stress-induced martensite reorientation, respectively. We identify some constitutive models available in the literature and show that they belong to the introduced class of models. Moreover, we compare three constitutive models with two sets of experimental data available in the literature.
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Authors
J. Arghavani
Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
F. Auricchio
Dipartimento di Meccanica Strutturale, Università degli studi di Pavia, Pavia, Italy Istituto di Matematica Applicata e Tecnologie Informatiche del CNR, Pavia, Italy
A. Reali
Dipartimento di Meccanica Strutturale, Università degli studi di Pavia, Pavia, Italy Istituto di Matematica Applicata e Tecnologie Informatiche del CNR, Pavia, Italy
S. Sohrabpour
Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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