Abstract
The proper macro-mechanical modelling of shape memory alloys for implementation in structural engineering applications represents a fundamental issue. Although more sophisticated relationships are available coupling the thermo-mechanical feature, the macro-model should be characterized by a certain degree of simplicity and light computational requirements in order to be easily handled for structural applications and to achieve reliable forecasts about the alloy’s behavior and performance regarding the effects on the structural response. In this paper we present a modified mono-axial model, which compensates and solves some imperfections usually occurring in certain variables’ ranges in frequently referred literature macro-models; additionally, the proposed model simplifies the calculations in the numerical implementation stage. Moreover, a 2-D macro-mechanical model is outlined for two dimensional applications.
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Corbi, I., Corbi, O. Macro-mechanical modelling of pseudo-elasticity in shape memory alloys for structural applications. Acta Mech 227, 2171–2179 (2016). https://doi.org/10.1007/s00707-016-1624-3
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DOI: https://doi.org/10.1007/s00707-016-1624-3