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A phenomenological model for the simulation of functional fatigue in shape memory alloy wires

In English

Författare

Summary, in English

In this contribution, a modelling framework for functional fatigue in shape memory alloy wires is introduced. The approach is in particular designed to reproduce the effective response determined by experiments as published in, e.g., Eggeler et al. (Mat Sci Eng A 378:24–33, 2004). In this context, the decrease of transformation stresses, the increase of irreversible strains, and the occurrence of “characteristic points” with respect to the stress-strain relation is explicitly covered in the model formulation. The modelling approach for the phase transformations itself offers a large potential for further micromechanically well-motivated model extensions.

Avdelning/ar

Publiceringsår

2017-03

Språk

Engelska

Sidor

973-988

Publikation/Tidskrift/Serie

Meccanica

Volym

52

Issue

4-5

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Metallurgy and Metallic Materials

Nyckelord

  • Cyclic loading
  • Functional fatigue
  • NiTi wires
  • Shape memory alloys

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0025-6455