MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Preparation of Spherical Titanium Powders from Polygonal Titanium Hydride Powders by Radio Frequency Plasma Treatment
Sangsun YangJi-Na GwakTae-Soo LimYong-Jin KimJung-Yeul Yun
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2013 Volume 54 Issue 12 Pages 2313-2316

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Abstract

This paper describes a novel dehydrogenation and spheroidization method using in-situ radio frequency (RF) thermal plasma treatment process to prepare spherical titanium (Ti) powders. Polygonal titanium hydride (TiH2) powders were successfully converted into spherical Ti powders and the size of the powders decreased from 30 to 21 µm by means of evaporation at the powder surface during the plasma treatment. Contaminants in the final products were drastically decreased due to the evaporation and emission of vapors during the plasma treatment.

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© 2013 The Japan Institute of Metals and Materials
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