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Patent Searching and Data


Title:
ARC WELDING METHOD FOR DISSIMILAR MATERIAL BONDING
Document Type and Number:
WIPO Patent Application WO/2019/167502
Kind Code:
A1
Abstract:
An arc welding method for bonding dissimilar materials is provided which enables bonding, strongly and with highly reliable quality, an aluminum alloy or magnesium alloy and a dissimilar steel material using economical arc welding equipment, and which can be applied without restriction to open cross-section structures and closed cross-section structures. This dissimilar material bonding joint (1) is provided with an aluminum alloy or magnesium alloy upper plate (10), a steel lower plate (20) arc welded onto the upper plate (10), and a steel bonding auxiliary member (30). The bonding auxiliary member (30) has a stepped outer shape having a large-diameter part (32) and a small-diameter part (31), and a hollow section (33) is formed that passes through the large-diameter part (32) and the small-diameter part (31). The bonding auxiliary member (30) is pressed fitted into a hole (11) that is formed by punching the upper plate (10), and the hollow section (33) is filled with an iron alloy or Ni alloy welding metal (40).

Inventors:
SUZUKI Reiichi
Application Number:
JP2019/002577
Publication Date:
September 06, 2019
Filing Date:
January 25, 2019
Export Citation:
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Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) (2-4 Wakinohama-Kaigandori 2-chome, Chuo-ku Kobe-sh, Hyogo 85, 〒6518585, JP)
International Classes:
B23K9/23; B21D28/26; B23K9/00; B23K9/02; B23K9/167; B23K10/02
Domestic Patent References:
WO2017170213A12017-10-05
WO2018030272A12018-02-15
WO2018042679A12018-03-08
Foreign References:
US3095951A1963-07-02
JPS54100946A1979-08-09
JPS52114446A1977-09-26
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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