Application of one-dimensional phase transformation model to tensile-torsional pseudoelastic behavior of shape memory alloy tubes

Tadashige Ikeda

doi:10.1117/12.657779

27 March 2006 Application of one-dimensional phase transformation model to tensile-torsional pseudoelastic behavior of shape memory alloy tubes

Tadashige Ikeda

Author Affiliations +

Proceedings Volume 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control; 61660Z (2006) https://doi.org/10.1117/12.657779
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

The one-dimensional phase transformation model proposed by the author was applied to an analysis of bi-axial tensiletorsional pseudoelastic deformation behavior of a shape memory alloy (SMA) tube. In the one-dimensional phase model, virtual grains are sorted in order of energy required for transformation and the order of these grains is assumed to be unchanged irrespective of phases before and after the transformation. Accordingly, the transformation always takes place in the same order. Here a torsional stress induced martensitic phase was considered in addition to an austenitic phase and a tensile stress induced martensitic phase. Tensile and torsional stress-strain hysteresis loops for a pseudoelastic SMA thin tube were simulated. The simulated loops were in quantitatively good agreement with available experimental data for a pure tensile and a pure torsional strain loading. For combined loadings, the simulated loops qualitatively agreed with the experimental data.

Citation Download Citation

Tadashige Ikeda "Application of one-dimensional phase transformation model to tensile-torsional pseudoelastic behavior of shape memory alloy tubes", Proc. SPIE 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control, 61660Z (27 March 2006); https://doi.org/10.1117/12.657779

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