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Direct Powder Preparation of Nb-Ti Alloy from the Oxide Mixture

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/51232

Title: Direct Powder Preparation of Nb-Ti Alloy from the Oxide Mixture
Authors: Ohshima, T. Browse this author
Suzuki, R. O. Browse this author →KAKEN DB
Yagura, T. Browse this author
Ono, K. Browse this author
Keywords: Niobium
Titanium
Calcium Co-Reduction
Oxide Mixture
Molten Salt
Issue Date: 2000
Publisher: Japan Society of Powder and Powder Metallurgy
Citation: Proceedings of 2000 Powder Metallurgy World Congress : November 12-16, 2000, Kyoto International Conference Hall, Japan ; edited by Koji Kosuge, Hiroshi Nagai ; Japan Society of Powder and Powder Metallurgy, c2000 ; pp. 532-535 ; ISBN: 4990021487
Abstract: A process to produce niobium-50mass% titanium alloy powder is proposed and its applicability is examined experimentally. The oxide mixture (Nb2O5+TiO2) was exposed to the reductant calcium, which can be applied thermodynamically as either the liquid or the gaseous form. Ca gas was favorable for the contamination of impurity such as carbon. The anhydrated co-precipitation from the aqueous solution involving Nb5+ and Ti4+ formed the better uniformity in the obtained alloy powder. The addition of CaCl2 reduced the residual oxygen to the level of 0.15mass% because the by-product CaO partially dissolved in the molten CaCl2.
Rights: ©2000 Japan Society of Powder and Powder Metallurgy
Type: bookchapter (author version)
URI: http://hdl.handle.net/2115/51232
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 亮輔

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