Title:
ARC-SPOT WELDING METHOD FOR JOINING DIFFERENT MATERIALS, JOINING AUXILIARY MEMBER, AND DIFFERENT MATERIALS WELDING JOINT
Document Type and Number:
WIPO Patent Application WO/2018/042679
Kind Code:
A1
Abstract:
A different materials welding joint (1) is provided with: an upper plate (10) that is made of an aluminum alloy or a magnesium alloy; and a lower plate (20) that is made of steel and is arc-spot welded to the upper plate (10), wherein the upper plate (10) has a hole (11) that faces a surface superposed on the lower plate (20). The different materials welding joint (1) is further provided with a joining auxiliary member (30) which is made of steel, which has a stepped external shape having an insertion part (31) to be inserted into the hole (11) provided to the upper plate (10) and a non-insertion part (32), and in which a hollow part (33) penetrating the insertion part (31) and the non-insertion part (32) is formed. The hollow part (33) of the joining auxiliary member (30) is filled with a welding metal (40) made of an iron alloy or Ni alloy, and a melting part (W) is formed by the welding metal (40), and portions of the lower plate (20) and the joining auxiliary member (30) which have been melted.
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Inventors:
SUZUKI REIICHI
MARUYAMA TOKUJI
KOBAYASHI SATORU
MARUYAMA TOKUJI
KOBAYASHI SATORU
Application Number:
PCT/JP2016/079758
Publication Date:
March 08, 2018
Filing Date:
October 06, 2016
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K9/23; B23K9/007; B23K9/167; B23K9/173; B23K10/02
Foreign References:
| JP2014226698A | 2014-12-08 | |||
| JPH0821376A | 1996-01-23 | |||
| JP2010155275A | 2010-07-15 | |||
| JPS58112654A | 1983-07-05 | |||
| JP2015167972A | 2015-09-28 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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