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INSTABILITY AND HYSTERESIS IN THERMOELASTIC TENSION STRIPS

  • The Hong Kong University of Science and Technology

Résultats de recherche: Le chapitre dans un livre, un rapport, une anthologie ou une collectionChapitreRevue par des pairs

3 Citations (Scopus)

Résumé

Macroscopic domain formations, usually accompanying elastic instability, appear in NiTi polycrystalline shape memory alloy which undergoes a typical thermoelastic phase transition [1-3]. Different from the plasticity approach (e.g. Shaw & Kyriakides 1998 [4]), this paper applies the Ginzburg-Landau model to a non-local elastic FEM simulation on the thermoelastic tension strips. Many key features of the stress-induced domain formation and evolution observed in the experiments have been reproduced. Based on the simulations, we discuss the effects of the domain wall energy on the domain formation; and the relation between the elastic instability and the hysteresis during the superelastic deformation (domain formation, evolution and annihilation) in the thermoelastic system.

langue originaleAnglais
titreSolid Mechanics and its Applications
EditeurSpringer Science and Business Media B.V.
Pages227-238
Nombre de pages12
Les DOIs
étatPublié - 1 janv. 2006
Modification externeOui

Série de publications

NomSolid Mechanics and its Applications
Volume142
ISSN (imprimé)0925-0042
ISSN (Electronique)2214-7764

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