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