EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||7|
|Section||Shape Memory Alloys|
|Published online||10 June 2010|
Ni-Mn-Ga single crystal Shape Memory Alloy magneto-thermomechanical modeling
LGEF EA 682, Université de Lyon/INSA-Lyon,
2 FEMTO-ST Institute UMR 6174, UFC/ENSMM/UTBM/CNRS, Applied Mechanics Department, 24 rue de l’Épitaphe, 25000 Besancon, France
3 FEMTO-ST Institute UMR 6174, UFC/ENSMM/UTBM/CNRS, Automatic Control and MicroMechatronic Systems Department, 24 rue Alain Savary, 25000 Besancon, France
a e-mail: email@example.com
In the frame of Thermodynamics of irreversible process, a model describing the thermomagneto-mechanical behavior of a single crystal of Ni-Mn-Ga is built. The choice of internal variables is linked to the physics of the problem (fraction of martensite variants, fraction of Weiss domains, magnetization angle). The simulations permit to describe the paths in the space (stress, temperature, magnetic ﬁeld) in agreement with experimental tests. A special attention will be devoted to the control laws required to use these functional materials as sensors or actuators.
© Owned by the authors, published by EDP Sciences, 2010
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