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Microstructures and martensitic transformation behavior of Ti-Ni-Sn alloys
- Issue Date
- Oct-2011
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Shape memory alloy (SMA); Martensitic transformation; Microstructure; X-ray diffraction (XRD); R phase
- Citation
- SCRIPTA MATERIALIA, v.65, no.7, pp 608 - 610
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 65
- Number
- 7
- Start Page
- 608
- End Page
- 610
- ISSN
- 1359-6462
- Abstract
- The Ti-Ni-Sn phase in Ti-(50-2X)Ni-XSn (X = 5, 8, 10, 12.5) alloys showed the B2-R-B19' martensitic transformation on cooling and the B19'-B2 transformation on heating. The B2-R transformation start temperature (T(R)) decreased from 314 to 303 K with increasing Sn content from 5 to 12.5 at.%. Ti-(50-2X)Ni-XSn alloys with X less than 12.5 at.% were deformed in a plastic manner up to more than 6%. The shape recovery ratio was about 95% after training, although it was less than 81% before training. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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