Title:
ARC-WELDING METHOD FOR JOINING DIFFERENT MATERIALS, JOINING AUXILIARY MEMBER, AND DIFFERENT MATERIALS WELDING JOINT
Document Type and Number:
WIPO Patent Application WO/2018/042682
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-welded to the upper plate (10), wherein the upper plate (10) has a noncircular hole (11) that is different in length and breadth and 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 and in which a noncircular hole part (33) different in length and breadth is formed. The joining auxiliary member (30) is arranged on the upper plate (10) so that the hole part (33) become coaxial to the hole (11) provided to the upper plate (10) and the respective long-axis directions ax and bx match each other, the hole 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.
Inventors:
SUZUKI REIICHI
Application Number:
PCT/JP2016/079832
Publication Date:
March 08, 2018
Filing Date:
October 06, 2016
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K9/23; 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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