Title:
WELDED JOINT, WELDING MEMBER, METHOD FOR MANUFACTURING SAME, AND METHOD OF RESISTANCE SPOT WELDING
Document Type and Number:
WIPO Patent Application WO/2023/233704
Kind Code:
A1
Abstract:
Provided is a welded joint in which breakage of a welded part is suppressed and which has a nugget diameter of a desired magnitude even when at least part of a surface steel sheet in a sheet set is plated with zinc and the effect of the thickness ratio or interference of the surface steel sheet is high. Formula (1) and/or formula (2) is satisfied with respect to the angle a of a shoulder part of a first steel sheet in a sheet set and the angle b of a shoulder part of an nth steel sheet in the sheet set.
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Inventors:
YAMAGISHI DAIKI (JP)
SAWANISHI CHIKAUMI (JP)
KAWABE NAO (JP)
TAKASHIMA KATSUTOSHI (JP)
TANIGUCHI KOICHI (JP)
MATSUDA HIROSHI (JP)
SAWANISHI CHIKAUMI (JP)
KAWABE NAO (JP)
TAKASHIMA KATSUTOSHI (JP)
TANIGUCHI KOICHI (JP)
MATSUDA HIROSHI (JP)
Application Number:
PCT/JP2023/002726
Publication Date:
December 07, 2023
Filing Date:
January 27, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B23K11/16; B23K11/11; B23K11/24
Domestic Patent References:
| WO2020212741A1 | 2020-10-22 | |||
| WO2014045431A1 | 2014-03-27 | |||
| WO2019124464A1 | 2019-06-27 |
Foreign References:
| JP2020127958A | 2020-08-27 | |||
| US20120193331A1 | 2012-08-02 | |||
| JP2019536631A | 2019-12-19 | |||
| JP2010247215A | 2010-11-04 | |||
| JP2003236676A | 2003-08-26 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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