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Content available Gas Atomization Parametric Study on the VIGA-CC Based Synthesis of Titanium Powder
Kim Dae-Kyeom, Kim Young-Il, Lee Hwaseon, Kim Young Do, Lee Dongju, Lee Bin, Kim Taek-Soo
Archives of Metallurgy and Materials
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2020
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Vol. 65, iss. 3
997--1000
EN
With the recent advancement in technology for titanium metal powder injection molding and additive manufacturing, high yield and good flowability powder production is needed. In this study, titanium powder was produced through vacuum induction melting gas atomization with a cold crucible, which can yield various alloy compositions without the need for material pretreatment. The gas behavior in the injection section was simulated according to the orifice protrusion length for effective powder production, and powder was prepared based on the simulation results. The gas distribution changes with the orifice protrusion length, which changes the location of the recirculation zone and production yield of the powder. The produced powders had a spherical morphology, and the content of impurities (N, O) changed with the injected-gas purity.
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