MATEC Web of Conferences
Volume 30, 20152015 the 4th International Conference on Material Science and Engineering Technology (ICMSET 2015)
|Number of page(s)||6|
|Section||Advanced materials and properties|
|Published online||04 November 2015|
Vacuum Arc Melting Processes for Biomedical Ni-Ti Shape Memory Alloy
1001 Kaonan Highway, Kaohsiung Taiwan
This study primarily involved using a vacuum arc remelting (VAR) process to prepare a nitinol shape-memory alloy with distinct ratios of alloy components (nitinol: 54.5 wt% to 57 wt%). An advantage of using the VAR process is the adoption of a water-cooled copper crucible, which effectively prevents crucible pollution and impurity infiltration. Optimising the melting production process enables control of the alloy component and facilitates a uniformly mixed compound during subsequent processing. This study involved purifying nickel and titanium and examining the characteristics of nitinol alloy after alloy melt, including its microstructure, mechanical properties, phase transition temperature, and chemical components.
© Owned by the authors, published by EDP Sciences, 2015
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