Method for producing hydrogen-containing sponge titanium, a hydr

Details Method for producing hydrogen-containing sponge titanium, a hydr Method for producing hydrogen-containing sponge titanium, a hydr

1999-03-11

2000-01-04

Jenkins, Daniel J.

Alloys or metallic compositions

Titanium base

Aluminum containing

420552, 420900, 419 31, 419 34, B22F 100, C22C 104, C22C 1400, C22C 2100, C22F 104

Patent

active

060106611

ABSTRACT:
The methods of the present invention provide efficient mechanical milling or alloying of stock materials of titanium and aluminum in order to increase yield of the titanium stock and reduce cost in connection with the production of a titanium-aluminum-based alloy sinter. Sponge titanium, which has a particle size of 1 to 20 mm and which contains hydrogen at 3.5 mass % or more, is used as the titanium stock. The sponge titanium is ball-milled with an aluminum stock in an argon atmosphere to produce a hydrogen-containing titanium-aluminum-based alloy powder. Furthermore, this powder may be sintered, as required.

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Fujii et al., "Production of Ti-48 mol% Al Intermetallic Compound by Mechanical Milling and Vacuum Hot Pressing of Titanium Hydride and Aluminum Powders", J. Japan Inst. Metals, vol. 62, No. 5, pp. 462-468, 1998 (English language Abstract on first page).

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