About the choice of a plastic-like model for shape memory alloys

C. Lexcellent, R. M. Laydi

Abstract


The aim of this paper is to examine the impact of the choice of plasticity theory-inspired model in the prediction of the shape of phase transformation domains. In this field a comparison is made between Huber-Von Mises based model and an another integrating the non-symmetry between tension and compression.  The yield surface of phase transformation initiation for a homogeneous body under proportional biaxial loading is discussed. A transport of these surfaces in the space of the "effective transformation strain of martensite tensor" is given.


Keywords


Shape memory alloys; phase change; elastic-plastic models; multiaxial behavior

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DOI: https://doi.org/10.15625/0866-7136/33/4/260 Display counter: Abstract : 34 views. PDF : 16 views.

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