1996•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Cyclic deformation properties of TiNi shape memory alloy under thermomechanical loading

Hisaaki TOBUSHI, S. Yamada, Takashi Hachisuka, K. Tanaka

Abstract

The thermomechanical properties of shape memory effect and superelasticity due to the martensitic transformation and the R-phase transformation of TiNi shape memory alloy were investigated experimentally. The transformation stress, transformation line and fatigue property due to both transformations were discussed for cyclic deformation. The thermomechanical properties due to the R-phase transformation were excellent for deformation with high cycles.

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Key concepts: Pseudoelasticity, Shape-memory alloy, Materials science, Diffusionless transformation, Deformation (meteorology), Transformation (genetics), Alloy, Thermomechanical processing