Laser beam welding method for carbon steels

Details Laser beam welding method for carbon steels Laser beam welding method for carbon steels

1998-04-17

2000-05-23

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

B23K 2632

Patent

active

060668288

ABSTRACT:
The invention relates to a laser beam welding method for carbon steels applied to laser beam welding of carbon steels of different carbon content, and in order to improve uniformity of fused metal in the welded region, a laser beam is applied obliquely to the joint region between the carbon steels from the side of the carbon steel having the lower carbon content. When manufacturing a vehicle wheel 1 by this method, the laser beam is applied obliquely from the side of the hub 3 of rolled steel plate which contains about 0.1% of carbon to the joint region with the boss 2 of carbon steel for machine structural use which contains about 2% of carbon so as to fuse the end of the hub 3 and cause it to penetrate into the welded region.

REFERENCES:
patent: 5529646 (1996-06-01), Nakajima et al.
patent: 5628449 (1997-05-01), Onuma et al.
patent: 5828032 (1998-10-01), Krzys et al.
patent: 5927866 (1999-07-01), Bertetti

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