Abstract
The present study describes the process of producing low oxygen content alloy powder from β titanium alloy scrap using hydrogenation–dehydrogenation (HDH) and deoxidation in solid state (DOSS) processes. β titanium alloys Ti–Mo and Ti–V with weight ratios of 9:1 and 8:2, respectively, were used to carry out the experimental work. In cases of both the Ti–Mo and the Ti–V alloys, high-quality alloy powders were produced by the HDH process, and it was confirmed that the hydrogenation process of titanium alloy showed lower exothermal temperatures than that of commercially pure (CP) titanium. The oxygen content of the manufactured Ti–Mo and Ti–V alloy powders were 3230 and 3090ppm, respectively. Subsequently, low oxygen Ti–Mo and Ti–V alloy powders were produced by the DOSS process; the oxygen content of these powders was 1000 and 870ppm, respectively. These concentration levels were confirmed to be considerably low as compared to those of commercial Ti–Mo and Ti–V alloy powders with oxygen content of 2750 and 3340ppm, respectively.
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