The determination and evaluation of Nitinol constitutive models for finite element analysis

被引：5
|
作者：
McCummiskey, E. [1 ]
Dempster, W. M. [1 ]
Nash, D. H. [1 ]
Ashton, T. R. [2 ]
Stevenson, D. G. [2 ]
机构：
[1] Univ Strathclyde, Dept Mech Engn, Glasgow G1 1XJ, Lanark, Scotland
[2] Terumo Vascutek, Inchinnan PA24 9RR, Scotland
来源：
ADVANCES IN EXPERIMENTAL MECHANICS V | 2007年 / 7-8卷
关键词：
Nitinol; fine wire; testing; shape memory alloy; strain rate; temperature dependency; constitutive model;
D O I：
10.4028/www.scientific.net/AMM.7-8.81
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Superelastic Ni-Ti (Nitinol) is a member of the shape memory alloy (SMA) family of metals. The physical properties of Nitinol are highly dependant on a number of factors, including manufacturing method, subsequent processing, operating temperature, and strain rate. These factors complicate the prescription of material constitutive models, leading to complexities in the computational analysis of Nitinol components. The current work explores the limitations in the Nitinol material model available in existing commercial finite element (FE) software using a series of specially design experimental tests and representative FE models.
引用
收藏
页码：81 / +
页数：2
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