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Shape Memory Alloy Engineering by Antonio Concilio, Leonardo Lecce

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Chapter 7

SMAs in Commercial Codes

Silvestro Barbarino     Dynamic Systems - Rotor Structures, Sikorsky Aircraft Corporation,Stratford (CT), USA

Abstract

Shape memory alloys (SMAs) have been selected as “active” elements for the development of several innovative actuators because of their compactness and better power/weight ratio in certain cases when compared with traditional ones. Super- (or pseudo-) elasticity and shape memory effect are the features mainly responsible for these benefits, but also their main shortcomings. The challenges associated with the simulation of highly non-linear, coupled (thermal, mechanical, electrical) problems early in the design stage are not negligible and have heavily affected the interest of many industrial companies ...

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