INTERNAL STRESS EFFECT IN THE SHAPE MEMORY BEHAVIOURReport as inadecuate




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Abstract : Internal stress associated with an oriented microstructure of defects are taken into account in the thermoelastic balance of martensitic phase transition. From this analysis a macros copic flow rule is determined for the TWME by using a phenomenological approach based on a yield criterion derived from Gibb-s free energy expression. Experiments performed on a Cu-Zn-Al polycrystalline alloy trained with a cyclic uniaxial tension test are used for identifying the modelling parameters.





Author: E. Patoor P. Barbe A. Eberhardt M. Berveiller

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



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