On shakedown of shape memory alloys with permanent inelasticityReport as inadecuate

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1 NAVIER UMR 8205 - Laboratoire Navier

Abstract : Shape memory alloys SMAs offer interesting perspectives in various fields such as aeronautics, robotics, biomedical sciences, or structural engineering. The distinctive properties of those materials stem from a solid-solid phase transformation occuring at a microscopic level. Modeling the rather complex behavior of SMAs is a topic of active research. Lately, SMA models coupling phase-transformation with permanent inelasticity have been proposed to capture degradation effects which are frequently observed experimentally for cyclic loadings. In this paper, the classical static and kinematic shakedown of plasticity theory are extended to such material models. Those results gives conditions for the energy dissipation to remain bounded, and might be relevant for the fatigue design of SMA systems.

Keywords : Shakedown Fatigue Shape Memory Alloys Training Permanent Inelasticity Non Smooth Mechanics

Author: Michael Peigney -

Source: https://hal.archives-ouvertes.fr/


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