Abstract
In this work, we briefly review the one-dimensional version of a well-known phenomenological shape memory alloy (SMA) constitutive model able to represent the main macroscopic SMA macroscopic behaviors (i.e., superelasticity and shape-memory effect). We then show how to identify the needed parameters from experimental results and, in particular, from strain-temperature tests. We finally use the obtained material parameters to test the prediction properties of the model, comparing numerical results with some experiments (different from those used for the identification), and we discuss model capabilities and further required enhancements.
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This article is an invited paper selected from presentations at Shape Memory and Superelastic Technologies 2008, held September 21-25, 2008, in Stresa, Italy, and has been expanded from the original presentation.
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Auricchio, F., Coda, A., Reali, A. et al. SMA Numerical Modeling Versus Experimental Results: Parameter Identification and Model Prediction Capabilities. J. of Materi Eng and Perform 18, 649–654 (2009). https://doi.org/10.1007/s11665-009-9409-7
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DOI: https://doi.org/10.1007/s11665-009-9409-7