Alloy for soldering aluminum

Details Alloy for soldering aluminum Alloy for soldering aluminum

1978-05-05

1979-11-06

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75134B, 75134D, 75166D, C22C 1100

Patent

active

041734688

ABSTRACT:
An improved alloy especially suitable for soldering aluminum to aluminum or aluminum to other metals which has a base containing bismuth, lead and/or cadmium to which is added the following in small amounts: silver, antimony, cobalt, copper, manganese and nickel. The resulting alloy has a melting and flowing temperature below 550.degree. F. and exhibits improved resistance to interface corrosion by virtue of an intermetallic compound layer formed at the interface.

REFERENCES:
patent: 2157121 (1939-05-01), Darby et al.
patent: 2446996 (1948-08-01), Bouton et al.
patent: 2486202 (1949-10-01), Phipps
patent: 2508488 (1950-05-01), Bouton et al.
patent: 2623273 (1952-12-01), Murray et al.
patent: 2685893 (1954-08-01), Phipps
patent: 2993785 (1961-07-01), Borchers et al.
patent: 3716909 (1973-02-01), Stokes et al.
patent: 3769007 (1973-10-01), Stokes et al.
Lead and Lead Alloys, Ed. W. Hofmann, Springer, N.Y. 1970, pp. 129-132.

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