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Proceedings Paper

NiTi-Ta shape memory alloys
Author(s): Jianlu Ma; F. Yang; J. I. Subirana; Zhongjie J. Pu; Kuang-Hsi Wu
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Paper 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.

Paper Details

Date Published: 20 July 1998
PDF: 8 pages
Proc. SPIE 3324, Smart Structures and Materials 1998: Smart Materials Technologies, (20 July 1998); doi: 10.1117/12.316848
Show Author Affiliations
Jianlu Ma, Florida International Univ. (United States)
F. Yang, Florida International Univ. (United States)
J. I. Subirana, Florida International Univ. (United States)
Zhongjie J. Pu, Florida International Univ. (United States)
Kuang-Hsi Wu, Florida International Univ. (United States)

Published in SPIE Proceedings Vol. 3324:
Smart Structures and Materials 1998: Smart Materials Technologies
Manfred R. Wuttig, Editor(s)

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