Title:
PRODUCTION METHOD FOR POROUS METAL BODY, AND POROUS METAL BODY
Document Type and Number:
WIPO Patent Application WO/2022/075038
Kind Code:
A1
Abstract:
The production method for a porous metal body according to the present invention is for producing a sheet-shaped porous metal body 4a containing titanium by heating and sintering a titanium-containing powder 4 on a molding surface 2 of a molding die 1, the method comprising: an area-setting step for setting, on the molding surface 2 of the molding die 1, an adhesion area Aa which is located on an outer periphery side of the molding surface 2, in which no release layer 3 is present, and to which the titanium-containing powder 4 adheres during sintering, and setting an easy release area Ar in which a release layer 3 is formed; a powder deposition step for, after the area-setting step, depositing the titanium-containing powder 4 on the molding surface 2 in a dry manner; and a powder-sintering step for, after the powder deposition step, heating the titanium-containing powder 4 on the molding surface 2 to a temperature of 950°C or higher, to sinter the titanium-containing powder 4 on the molding surface 2 while adhering, to the adhesion area Aa, the titanium-containing powder 4 in the adhesion area Aa.
Inventors:
TSUMAGARI SHOUGO (JP)
INOUE YOSUKE (JP)
KAWAI HIROYUKI (JP)
INOUE YOSUKE (JP)
KAWAI HIROYUKI (JP)
Application Number:
PCT/JP2021/034169
Publication Date:
April 14, 2022
Filing Date:
September 16, 2021
Export Citation:
Assignee:
TOHO TITANIUM CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
C22C14/00; B22F3/11; C22C1/08
Domestic Patent References:
| WO2019180797A1 | 2019-09-26 |
Foreign References:
| JP2013078556A | 2013-05-02 | |||
| JP2011041640A | 2011-03-03 | |||
| JP2000309806A | 2000-11-07 | |||
| JP2002275676A | 2002-09-25 | |||
| JP2014239023A | 2014-12-18 |
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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