Title:
PENETRATION WELDING METHOD FOR ALUMINUM ALLOY BY MEANS OF LASER BEAM
Document Type and Number:
Japanese Patent JPH05228663
Kind Code:
A
Abstract:
PURPOSE: To control the generation of welding defects, to enlarge the optimum range of welding conditions and to stably obtain sound joints.
CONSTITUTION: At the time of penetration welding of a material to be welded 1, 1 composed of aluminum alloy by means of a laser beam 2, a backing material 6 is provided on the back side of the part to be welded. The backing material 6 is 5wt.% or less in total alloy elements, Mg+Zn<0.5wt.% of aluminum and away from the material to be welded 1, 1 by 50μm or more.
Inventors:
YAMAMOTO TAKESHI
Application Number:
JP4603192A
Publication Date:
September 07, 1993
Filing Date:
January 31, 1992
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B23K26/32; B23K26/21; B23K37/06; B23K103/10; (IPC1-7): B23K26/00; B23K37/06; B23K103/10
Attorney, Agent or Firm:
Raw form Motoshige (1 person outside)