Journal
ADVANCED POWDER TECHNOLOGY
Volume 33, Issue 1, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apt.2021.11.031
Keywords
Titanium alloy; Mechanical alloying; Spray granulation; RF plasma spheroidization; Spherical powder
Categories
Funding
- China Postdoctoral Science Foundation [2020M672270]
- Natural Science Foundation of Henan Province [202300410425]
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This article introduces the process of producing spherical Ti-6Al-4V alloy powder using RF plasma spheroidization combined with mechanical alloying and spray granulation. The properties of the alloy powder were investigated, and the results showed that the obtained spherical Ti-6Al-4V alloy powder has excellent physical properties and meets the alloy standards.
Spherical Ti-6Al-4V powder was produced by RF plasma spheroidization combined with mechanical alloying and spray granulation. Particle size distribution, morphology, specific surface area, apparent density, flowability, element distribution and content of alloy powders after each stage during the process were investigated. Results show that the obtained spheroidized Ti-6Al-4V alloy powder has dense structure, good sphericity and high spheroidization ratio (98%), moderate particle size (37.8 mu m) with narrow distribution. It also has excellent flowability (33.2 s. (50 g)(-1)) and apparent density (2.53 g.cm(-3)). In addition, elements distribution in the spherical Ti-6Al-4V alloy powder is uniform and most of elements content of it is within the standard of Ti-6Al-4V alloy. (C) 2021 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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