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Shape Memory Alloy Engineering by Antonio Concilio, Leonardo Lecce

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Chapter 5

1D SMA Models

Sonia Marfia1,  and Andrea Vigliotti2     1Dipartimento di Ingegneria Civile e Meccanica (DICeM), Università di Cassino e del Lazio Meridionale, Cassino (FR), Italy     2The Italian Aerospace Research Centre (CIRA), Capua (CE), Italia

Abstract

In this chapter two approaches for the 1D modelling of Shape Memory Alloys are presented. The first approach is based on a phenomenological description of the Austenite-Martensite transformation, assuming that the two configurations are always at equilibrium and the fractions of Martensite and Austenite are a cosine function of the temperature and the stress, which matches experimental measurement. The approach is extended to account for both the stress and the thermal variant of the ...

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