Method of making an aluminum alloy brazing agent containing a fl

Details Method of making an aluminum alloy brazing agent containing a fl Method of making an aluminum alloy brazing agent containing a fl

1995-06-05

1997-12-09

Jordan, Charles T.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

419 54, B22F 100

Patent

active

056970455

ABSTRACT:
An aluminum alloy brazing agent containing a flux is made by compacting a powder mixture of a matrix powder and a flux powder at a first temperature so as to form a rigid piece, and then conducting a secondary forming of the rigid piece into a desired shape at a second temperature. The first temperature is lower than 480.degree. C., preferably lower than 400.degree. C., and more preferably room temperature, so that the compacting may be conducted in the air. The second temperature is 300.degree.-575.degree. C. for the secondary forming, which also may preferably be conducted in an non-oxidizing atmosphere, so that the brazing agent can be of an improved capability of brazing aluminum articles and be produced inexpensively.

REFERENCES:
patent: 5330090 (1994-07-01), Iwai

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