Fundamentals and pilot experiences of the application of shape memory alloys in structural engineering

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Title: Fundamentals and pilot experiences of the application of shape memory alloys in structural engineering

Author(s): Mas, B.; Cladera, A.; Ribas, C.

Publication: ACHE

Volume: 67

Issue: 280

Appears on pages(s): 309 - 323

Keywords: Shape memory alloy, Super-elasticity, Damping, Ductility, Strengthening

Date: 1/5/2016

Abstract:
Research applications of shape memory alloys (SMA) in structural engineering have gained interest in the last few years. Their outstanding properties for structural engineering are the shape memory effect, the super-elasticity, and the damping capacity, all of them due to the martensitic transformation. The former is the phenomenon by which SMAs are able to return to their original predefined shape upon heating. Super-elasticity is the ability to show high inelastic deformations and to return to their original shape during a mechanical unload cycle. The damping capacity allows the design of devices to reduce movements or vibrations in structures. In this paper, the physics fundamentals of the martensitic transformation and some pilot applications are presented, highlighting the more interesting topics for structural engineering.


ACI International Partner, ACHE Spain, International Partner Access.

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