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Transformation temperatures and shape memory characteristics of a Ti-45Ni-5Cu(at %) alloy annealed by Joule heating
- Authors
- Kang, Seok-Won; Cho, Gyu-Bong; Yang, Seung-Yong; Liu, Yinong; Yang, Hong; Miyazaki, Shuichi; Nam, Tae-Hyun
- Issue Date
- May-2010
- Publisher
- IOP PUBLISHING LTD
- Citation
- PHYSICA SCRIPTA, v.T139
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- PHYSICA SCRIPTA
- Volume
- T139
- ISSN
- 0031-8949
1402-4896
- Abstract
- A temperature gradient of 75-188K was developed in a Ti-45Ni-5Cu(at %) alloy wire with 30 mm length by Joule heating, depending on electrical power. The shape change rate increased from 0.022 to 0.045% K(-1) on increasing the electrical power from 4.8 to 6.2 W. The change in the stress required for the B2-B19' transformation increased from 60 to 103 MPa on increasing the electrical power from 4.8 to 10.1 W.
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