Aluminum alloy composite material for brazing

Details Aluminum alloy composite material for brazing Aluminum alloy composite material for brazing

1989-09-11

1991-04-30

Rosenberg, Peter D.

Metal treatment

Compositions

Fluxing

B23K 3534

Patent

active

050115472

ABSTRACT:
An aluminum alloy composite material for brazing has a core member made of an aluminum alloy, Al-Si filler member and a cladding member made of an aluminum alloy. Mg contained in the aluminum alloy of the core member is restricted to within 0.2% or less by weight. The aluminum alloy of the cladding member essentially consists of 0.3% to 2.5% by weight of Mg. During brazing, the core member serves to restrain the diffusion of Si from the filler member clad on one surface of the core member and the diffusion of Mg from the cladding member clad on the opposite surface of the core member.

REFERENCES:
patent: 3321828 (1967-05-01), Miller

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