Paper Title:
The Determination and Evaluation of Nitinol Constitutive Models for Finite Element Analysis
  Abstract

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.

  Info
Periodical
Edited by
J. Quinta da Fonseca
Pages
81-88
DOI
10.4028/www.scientific.net/AMM.7-8.81
Citation
E. McCummiskey, W. M. Dempster, D.H. Nash, T.R. Ashton, D.G. Stevenson, "The Determination and Evaluation of Nitinol Constitutive Models for Finite Element Analysis", Applied Mechanics and Materials, Vols. 7-8, pp. 81-88, 2007
Online since
August 2007
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