A 3D model of the cyclic thermomechanical behavior of shape memory alloys

Wael Zaki; Ziad Moumni

doi:10.1016/j.jmps.2007.03.011

A 3D model of the cyclic thermomechanical behavior of shape memory alloys

Wael Zaki
, Ziad Moumni

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

189 Citations (Scopus)

Résumé

The model in the first part of this paper is extended to account for SMA behavior under cyclic loading. To this end, three new state variables are introduced: internal stress B, residual strain ε_r and cumulated martensite volume fraction z_e. Several parameters of the extended model depend on z_e, making them evolve with cyclic phase change. Cyclic SMA effects including training and two-way shape memory are accounted for and several numerical simulations are provided and validated in the case of cyclic superelasticity.

langue originale	Anglais
Pages (de - à)	2427-2454
Nombre de pages	28
journal	Journal of the Mechanics and Physics of Solids
Volume	55
Numéro de publication	11
Les DOIs	https://doi.org/10.1016/j.jmps.2007.03.011
état	Publié - 1 janv. 2007

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title = "A 3D model of the cyclic thermomechanical behavior of shape memory alloys",

abstract = "The model in the first part of this paper is extended to account for SMA behavior under cyclic loading. To this end, three new state variables are introduced: internal stress B, residual strain εr and cumulated martensite volume fraction ze. Several parameters of the extended model depend on ze, making them evolve with cyclic phase change. Cyclic SMA effects including training and two-way shape memory are accounted for and several numerical simulations are provided and validated in the case of cyclic superelasticity.",

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AB - The model in the first part of this paper is extended to account for SMA behavior under cyclic loading. To this end, three new state variables are introduced: internal stress B, residual strain εr and cumulated martensite volume fraction ze. Several parameters of the extended model depend on ze, making them evolve with cyclic phase change. Cyclic SMA effects including training and two-way shape memory are accounted for and several numerical simulations are provided and validated in the case of cyclic superelasticity.

KW - Cyclic loading

KW - Internal stress

KW - Residual strain

KW - Training

KW - Two-way shape memory

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ER -

A 3D model of the cyclic thermomechanical behavior of shape memory alloys

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