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Proceedings Paper

Phase transformations of nitinol shape memory alloy by varying with annealing heat treatment conditions
Author(s): Sung Ho Yoon; Dong Jin Yeo
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Paper Abstract

Phase transformations and crystal structures of nitinol shape memory alloy are investigated by varying with heat treatment conditions through DSC (differential scanning calorimetry) and XRD (X-ray diffraction). Heat treatment conditions are considered as heat treated times of 5min, 15min, 30min, and 45min as well as heat treated temperatures of 400°C, 500°C, 525°C, 550°C, 575°C, 600°C, 700°C, 800°C, and 900°C. In addition, tensile tests are conducted to investigate thermomechanical behaviors of nitinol shape memory alloy through material testing system by varying with heat treated temperatures and environmental temperatures. According to these results, heat treatment conditions are found to be significantly affected on phase transformations, crystal structures, and thermomechanical behaviors of nitinol shape memory alloy.

Paper Details

Date Published: 16 February 2004
PDF: 8 pages
Proc. SPIE 5648, Smart Materials III, (16 February 2004); doi: 10.1117/12.582381
Show Author Affiliations
Sung Ho Yoon, Kumoh National Institute of Technology (South Korea)
Dong Jin Yeo, Kumoh National Institute of Technology (South Korea)


Published in SPIE Proceedings Vol. 5648:
Smart Materials III
Alan R. Wilson, Editor(s)

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