Method for preparing low-oxygen high-quality hydrogenated and dehydrogenated titanium powder
A technology of hydrogenated dehydrogenated titanium powder and hydrogenated titanium powder, which is applied in the field of powder metallurgy titanium, which can solve the problems of complex equipment process, hidden dangers of using active metals, and increased cost of powder making, and achieve simple preparation process, low price, and applicability strong effect
Active Publication Date: 2020-05-05
UNIV OF SCI & TECH BEIJING
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Abstract
The invention discloses a method for preparing low-oxygen high-quality hydrogenated and dehydrogenated titanium powder, and belongs to the field of powder metallurgy titanium. The method comprises thefollowing steps of by taking sponge titanium, waste titanium, titanium chips or residual titanium leftover materials and the like as a raw material, performing hydrogenation dehydrogenation, adding TiCl2 as a deoxidant, uniformly mixing TiCl2 and titanium powder, and performing annealing treatment, so that the TiCl2, the hydrogenated and dehydrogenated titanium powder and an oxidation film on thesurface of the powder are subjected to oxidation-reduction reaction, gaseous TiClxOy is generated, and the oxygen is removed from the titanium powder, so that the effects of greatly reducing the oxygen content of the titanium powder and purifying the powder are achieved; and in addition, due to the addition of TiCl2, other impurities cannot be introduced to change the characteristics of the titanium powder. The preparation process is simple, extra equipment is not needed, the price of the deoxidant is low, preparation of high-quality and low-cost titanium powder is facilitated, the recyclingrate of residual titanium is greatly increased, and the method has great significance in low-cost preparation and green recyclable generation of titanium industry.
Application Domain
Transportation and packagingMetal-working apparatus
Technology Topic
Powder metallurgyRaw material +2
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