Shape-Memory Alloy Elements



In this chapter, a series of SMA elements, including SMA wires, cables, bars, bolts, helical springs, washer springs and ring springs, are described in detail. These elements are important additions to the ‘arsenal’ against the seismic hazard. For each type of element, the manufacturing process, testing scheme, key mechanical behaviour and analytical expressions are presented. The various SMA elements are shown to have their own unique load–deformation, self-centring and energy dissipation characteristics, catering to different design purposes. The main advantages and possible limitations of these elements are also discussed, with a particular focus on their failure mode and material utilisation efficiency.


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Tongji UniversityShanghaiChina

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