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Article Dans Une Revue Smart Materials and Structures Année : 2009

Numerical tool for SMA material simulation: application to composite structure design

Résumé

Composite materials based on shape memory alloys (SMA) have received growing attention over these last few years. In this paper, two particular morphologies of composites are studied. The first one is an SMA/elastomer composite in which a snake-like wire NiTi SMA is embedded into an elastomer ribbon. The second one is a commercial Ni47Ti44Nb9 which presents elastic–plastic inclusions in an NiTi SMA matrix. In both cases, the design of such composites required the development of an SMA design tool, based on a macroscopic 3D constitutive law for NiTi alloys. Two different strategies are then applied to compute these composite behaviors. For the SMA/elastomer composite, the macroscopic behavior law is implemented in commercial FEM software, and for the Ni47Ti44Nb9 a scale transition approach based on the Mori–Tanaka scheme is developed. In both cases, simulations are compared to experimental data.
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Dates et versions

hal-02272048 , version 1 (27-08-2019)

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Yves Chemisky, Arnaud Duval, Boris Piotrowski, Tarak Ben Zineb, Vanessa Tahiri, et al.. Numerical tool for SMA material simulation: application to composite structure design. Smart Materials and Structures, 2009, 18 (10), pp.104012. ⟨10.1088/0964-1726/18/10/104012⟩. ⟨hal-02272048⟩
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