publication . Article . 2015

Vacuum Arc Melting Processes for Biomedical Ni-Ti Shape Memory Alloy

De-Chang Tsai; Chen-Hsueh Chiang;
Open Access English
  • Published: 01 Jan 2015 Journal: MATEC Web of Conferences (issn: 2261-236X, Copyright policy)
  • Publisher: EDP Sciences
Abstract
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 propertie...
Subjects
free text keywords: Engineering (General). Civil engineering (General), TA1-2040, Nickel titanium, Crucible, Titanium, chemistry.chemical_element, chemistry, Materials science, Vacuum arc remelting, Vacuum arc, Microstructure, Metallurgy, Shape-memory alloy, Alloy, engineering.material, engineering
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