Modelling of pseudoelastic SMA behaviour under combined loading

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Published: 19-03-2019
DOI: https://doi.org/10.33108/visnyk_tntu2025.01.132
Keywords:
pseudoelasticity, shape memory alloys, modelling, phase transformational stresses, combined loading

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Vasyl Voronchak
Ternopil Ivan Puluj National Technical University, Ternopil, Ukraine
Volodymyr Iasnii
Ternopil Ivan Puluj National Technical University, Ternopil, Ukraine

Abstract

The behaviour of pseudoelastic nickel-titanium alloy Ni55,75Ti44,15 under tension, bending, and their simultaneous action is investigated in this paper. The methodology for modelling the mechanical properties of SMAs under various loading conditions, including combined loading, is proposed. The stresses of forward and reverse phase transformations between austenite and martensite are determined using ANSYS software based on the finite element method. The obtained modelling results confirm high adaptability of SMA to various types of loadings. These investigations are required for more efficient design of structures and devices and for predicting the behaviour of pseudoelastic SMAs under different types of loading

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Vol. 117 No. 1 (2025)

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Articles
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This work is licensed under a Creative Commons Attribution 4.0 International License.

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