Mechanical properties of a NiTi-Pd high-temperature shape memory alloy

Kuang-Hsi Wu; Y. Q. Liu; Michael J. Maich; Hsien-Kuei Tseng

doi:10.1117/12.174068

1 May 1994 Mechanical properties of a NiTi-Pd high-temperature shape memory alloy

Kuang-Hsi Wu, Y. Q. Liu, Michael J. Maich, Hsien-Kuei Tseng

Proceedings Volume 2189, Smart Structures and Materials 1994: Smart Materials; (1994) https://doi.org/10.1117/12.174068
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

Mechanical tests have been conducted to characterize the shape memory effect and mechanical properties of a NiTi-20 at%Pd high temperature shape memory alloy. The experimental results show that the ratio of the Young's modulus of martensite to austenite is 0.58. The ratio of the yield stress of the martensite to austenite phase is 0.62 and the fully reversible strain is 3%. These values indicate that the shape memory properties of the NiTi-Pd alloys is not as good as those of the NiTi binary alloys. The mechanical properties of the alloy also demonstrate that the ductility of the alloy is significantly lower than that of the NiTi binary alloy. Further studies should be carried out to improve the shape memory effect and enhance the ductility of the alloy.

Citation Download Citation

Kuang-Hsi Wu, Y. Q. Liu, Michael J. Maich, and Hsien-Kuei Tseng "Mechanical properties of a NiTi-Pd high-temperature shape memory alloy", Proc. SPIE 2189, Smart Structures and Materials 1994: Smart Materials, (1 May 1994); https://doi.org/10.1117/12.174068

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