Micromechanics modelling for the constitutive behavior of polycrystalline shape memory alloys. II: Study of the individual phenomena. (English) Zbl 0767.73063

Summary: The constitutive relation for various phenomena of shape memory alloys (superelasticity, rubber-like elasticity, ferro-elasticity, elastic anomaly, shape memory effect) is studied in detail and compared with the available experimental data. It is shown that the micromechanical model developed in Part I [see the foregoing entry] can satisfactorily describe the main peculiarities of the macroscopic thermomechanical constitutive behavior in the course of uniaxial mechanical and/or thermal loadings and that the existing phenomenological models are special cases of the proposed theory under proportional loading conditions. Some theoretical predictions and discussions for complex loading paths are also given which are yet subject to experimental verification.


74A60 Micromechanical theories
74M25 Micromechanics of solids
74A20 Theory of constitutive functions in solid mechanics
74A15 Thermodynamics in solid mechanics
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