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  • A simple one-dimensional model of constrained recovery in shape memory alloys
    Videnič, Tomaž ...
    In elements made of shape memory alloys (SMAs), large stresses are generated if during heating, shape recovery associated with martensitic transformation, is constrained by an external element. This ... kind of recovery process is called constrained recovery. In this article, a simple one-dimensional model for the analysis of constrained recovery in SMA wire is presented. The model is basedon the theory of generalized plasticity, which was developed by Lubliner and Auricchio. Despite the fact that the model considers an assumption of a non-constant Youngs modulus of SMA wire, it remains simple and is well suited for further practical engineering applications and calculations. The regularity of the model is verified by comparing it to experimental results published by Kato, Inagaki, and Sasaki. It is shown that the assumption of non-constant Youngs modulus significantly improves the agreement betweentheory and experiments.
    Source: Mechanics of advanced materials and structures. - ISSN 1537-6494 (Vol. 21, no. 5, May 2014, str. 376-383)
    Type of material - article, component part
    Publish date - 2014
    Language - english
    COBISS.SI-ID - 11996443
    DOI

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