HYDROGENATION-DEHYDROGENATION METHOD FOR TiAl ALLOY AND METHOD FOR PRODUCING TiAl ALLOY POWDER

Title:

HYDROGENATION-DEHYDROGENATION METHOD FOR TiAl ALLOY AND METHOD FOR PRODUCING TiAl ALLOY POWDER

Document Type and Number:

WIPO Patent Application WO/2018/105664

Kind Code:

A1

Abstract:

According to the present invention, a powder of a TiAl alloy is adequately produced. A hydrogenation-dehydrogenation method for a TiAl alloy according to the present invention comprises: a hydrogenation step wherein a TiAl alloy is hydrogenated in an environment where the temperature is set to a temperature at which phase transformation to the β phase starts or higher; and a dehydrogenation step wherein the hydrogenated TiAl alloy is dehydrogenated.

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Inventors:

SOBU SHINTARO (JP)
HANADA TADAYUKI (JP)

Application Number:

PCT/JP2017/043858

Publication Date:

June 14, 2018

Filing Date:

December 06, 2017

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND AERO ENGINES LTD (JP)

International Classes:

B22F9/04; B22F1/00; C22F1/18; C22C14/00; C22C21/00; C22F1/00

Foreign References:

JP2009221603A	2009-10-01
JPH05339606A	1993-12-21
JP2013053333A	2013-03-21

Other References: