Title:
METHOD FOR HEAT-TREATING METAL MOLDED ARTICLE, AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/143227
Kind Code:
A1
Abstract:
A method for heat-treating a metal molded article, the method including a shape holding layer formation step for treating a metal molded article so that a shape holding layer having a melting point higher than the solidus temperature Ts of a structure of the metal molded article is formed on the surface of the metal molded article, and a first heat treatment step for performing a first heat treatment at a first temperature T1 on the metal molded article after the shape holding layer is formed by the shape holding layer formation step, the shape holding layer formation step and the first heat treatment step being performed so as to satisfy the expression Ta < T1 < Tm, where Ta is a reference temperature 100°C lower than the solidus temperature Ts, and Tm is the melting point of the shape holding layer.
Inventors:
FUJIWARA KOUSUKE (JP)
HARAGUCHI HIDETAKA (JP)
TANIGAWA SHUJI (JP)
KITAMURA MASASHI (JP)
TANEIKE MASAKI (JP)
SAITO NOBUHIKO (JP)
OHARA TOSHINOBU (JP)
HARAGUCHI HIDETAKA (JP)
TANIGAWA SHUJI (JP)
KITAMURA MASASHI (JP)
TANEIKE MASAKI (JP)
SAITO NOBUHIKO (JP)
OHARA TOSHINOBU (JP)
Application Number:
PCT/JP2018/003083
Publication Date:
August 09, 2018
Filing Date:
January 31, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B22F3/24; B22F3/105; B22F3/16; B33Y10/00; C21D1/70; C22F1/10
Domestic Patent References:
| WO2015045036A1 | 2015-04-02 |
Foreign References:
| JPH10195556A | 1998-07-28 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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