Performance analysis of shape-memory alloy sheet-based actuator with integrated deformation load-bearing intelligent composite structure

doi:10.19936/j.cnki.2096-8000.20240628.005

Abstract

Abstract: The introduction of pre-strain on the shape memory alloy sheet can produce a heat-reversible sheet actuator, which can be glued to the surface of the composite structure to obtain a smart composite structure with integrated load-bearing and deformation. In this paper, we focus on the deformation of the smart composite structure during the load-bearing process, and analyze the heat-activated deformation capacity during load-bearing and load-bearing capacity after heat-activated deformation of the smart composite structure by means of finite element analysis. The results show that the smart composite structure can still deform smoothly during the load-bearing process, but its deformation capacity and service life are affected by the load. And the stress of adhesive layer during the loading of the thermally actuated process under the same load will be larger compared to the adhesive layer stress during the heating of the loading process.

Key words: smart composite, shape memory alloy, load-deformation integration, finite element

CLC Number:

TB332

ZHAN Yue, YUAN Guoqing. Performance analysis of shape-memory alloy sheet-based actuator with integrated deformation load-bearing intelligent composite structure[J]. COMPOSITES SCIENCE AND ENGINEERING, 2024, 0(6): 34-40.

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