NiTi-Ta shape memory alloys

Jianlu Ma; F. Yang; J. I. Subirana; Zhongjie J. Pu; Kuang-Hsi Wu

doi:10.1117/12.316848

20 July 1998 NiTi-Ta shape memory alloys

Jianlu Ma, F. Yang, J. I. Subirana, Zhongjie J. Pu, Kuang-Hsi Wu

Proceedings Volume 3324, Smart Structures and Materials 1998: Smart Materials Technologies; (1998) https://doi.org/10.1117/12.316848
Event: 5th Annual International Symposium on Smart Structures and Materials, 1998, San Diego, CA, United States

Abstract

This paper studies the effect of Ta addition on the martensitic transformation characteristics and the X-ray visibility of NiTi shape memory alloys. It was found that: (1) The transformation temperatures of the Ti₄₉Ni₅₁ binary alloy increase drastically by an addition of 0 -- 4at%Ta, but only slightly when the concentration exceeds 4at%. (2) The addition of Ta greatly decreases the sensitivity of the martensitic transformations to the variation in the Ni-Ti ratio. (3) The addition of Ta to a TiNi binary alloy can improve its X-ray visibility.

Citation Download Citation

Jianlu Ma, F. Yang, J. I. Subirana, Zhongjie J. Pu, and Kuang-Hsi Wu "NiTi-Ta shape memory alloys", Proc. SPIE 3324, Smart Structures and Materials 1998: Smart Materials Technologies, (20 July 1998); https://doi.org/10.1117/12.316848

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