Shape memory alloys, Part II: Modeling of polycrystals

被引:275
作者
Lagoudas, DC [1 ]
Entchev, PB
Popov, P
Patoor, E
Brinson, LC
Gao, XJ
机构
[1] Texas A&M Univ, Dept Aerosp Engn, College Stn, TX 77843 USA
[2] Metz Univ, CNRS, UMR 7554, Lab Phys & Mech Mat,ENSAM 4, F-57045 Metz, France
[3] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
关键词
D O I
10.1016/j.mechmat.2005.08.003
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The second part of this two-part paper summarizes work on the micromechanical modeling of polycrystalline shape memory alloys (SMAs). Averaging micromechanics methods based on the self-consistent approximation are used for the modeling of polycrystalline SMA thermomechanical behavior. The predictions of several models are directly compared and correlated with experimental results. Rate independent phenomenological models are then discussed, which are based on characterizing the inelastic fields associated with the phase transformation and transformation induced plasticity by using internal state variables. The resulting evolution equations are integrated using return mapping algorithms. Selected numerical simulations and comparison of the phenomenological models with the micromechanical ones are also presented. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:430 / 462
页数:33
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