Title:
JOINED BODY AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/080139
Kind Code:
A1
Abstract:
Provided is a copper alloy-ferrous material joined body which has high interfacial adhesiveness between the copper alloy and the ferrous material and is capable of maintaining high strength without a precipitation hardening treatment involving a subsequent solution treatment (or only with a precipitation hardening treatment not involving a solution treatment). This joined body comprises: a first member which is formed from a precipitation-hardening type copper alloy; and a second member which is joined to the first member by at least one joint interface and includes an additively fabricated object of a ferrous material. When a cross-section of the joined body perpendicular to the joint interface is observed with a scanning electron microscope (SEM), no void having a length of 50 µm or greater in a direction parallel to the joint interface is present in the joint interface.
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Inventors:
ISHIKAWA TAKAHIRO (JP)
YASUDA MASATO (JP)
ISHIHARA TOSHIAKI (JP)
YAMAMOTO SEIEI (JP)
GOTO KAZUHIDE (JP)
SUZUKI MAKOTO (JP)
YASUDA MASATO (JP)
ISHIHARA TOSHIAKI (JP)
YAMAMOTO SEIEI (JP)
GOTO KAZUHIDE (JP)
SUZUKI MAKOTO (JP)
Application Number:
PCT/JP2022/040930
Publication Date:
May 11, 2023
Filing Date:
November 01, 2022
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
OKUMA MACHINERY WORKS LTD (JP)
OKUMA MACHINERY WORKS LTD (JP)
International Classes:
B22F7/04; B22F1/00; B22F10/25; B22F10/366; B22F10/64; B23K26/34; B23K26/342
Domestic Patent References:
| WO2021002364A1 | 2021-01-07 |
Foreign References:
| JP2018061982A | 2018-04-19 | |||
| JP2021143398A | 2021-09-24 | |||
| JP2020079431A | 2020-05-28 | |||
| JP2018053308A | 2018-04-05 | |||
| JP2001025856A | 2001-01-30 | |||
| JPH10216960A | 1998-08-18 |
Attorney, Agent or Firm:
TAKAMURA Masaharu et al. (JP)
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