Determination of the characteristic parameters of tension-compression asymmetry of Shape Memory Alloys using full-field measurements

被引：3

作者：

Chemisky, Yves ^{[1
]}

Echchorfi, Rachid ^{[1
]}

Meraghni, Fodil ^{[1
]}

Bourgeois, Nadine ^{[2
]}

Piotrowski, Boris ^{[1
]}

机构：

[1] Arts & Met ParisTech, CNRS, Lab LEM3, 4 Rue Augustin Fresnel, F-57078 Metz, France

[2] Univ Lorraine, CNRS, LEM3 Lab, F-57000 Metz, France

来源：

EUROPEAN SYMPOSIUM ON MARTENSITIC TRANSFORMATIONS | 2013年 / 738-739卷

关键词：

Identification; Shape Memory Alloys; transformation surface; tension-compression asymmetry; PHASE-TRANSFORMATION; IDENTIFICATION; SURFACE; MODEL;

D O I：

10.4028/www.scientific.net/MSF.738-739.281

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, a method for the identification of the transformation surface of Shape Memory Alloys based on full field measurements is presented. An inverse method coupled with a gradient-based algorithm has been developed to determine the characteristic parameters of the transformation surface. The constitutive equations of the chosen model that capture the macroscopic behavior of Shape Memory Alloys are first presented. The material parameters, to be identified, that are characteristic of the tension-compression asymmetry of the alloy are detailed. The identification algorithm, based on full field measurements obtained by Digital Image Correlation (DIC) and numerical simulation by Finite Element Analysis are introduced. The identification algorithm is validated using a numerically generated strain field on a Meuwissen-type specimen.

引用

页码：281 / +

页数：3

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