Method for applying brazing material to a metal structure, parti

Details Method for applying brazing material to a metal structure, parti Method for applying brazing material to a metal structure, parti

1995-02-24

1996-03-26

Heinrich, Samuel M.

Metal fusion bonding

Process

Preplacing solid filler

228181, 228205, 156276, 427261, 427286, B23K 3102, B23K 100, B23K10102

Patent

active

055013910

ABSTRACT:
A method for applying brazing material to a metal structure includes applying a sticky material maintaining adhesiveness up to temperatures of at least 180.degree. C. and preferably above 200.degree. C., to at least a subregion of the structure. Then brazing powder is applied which continues to adhere to the sticky material. After the application of the brazing powder but before an actual brazing process, the structure is heat treated without the brazing powder falling out during the heat treatment or during ensuing handling steps. The heat treatment may be a heat-degreasing of the structural parts that do not have or do not yet have brazing material applied to them.

REFERENCES:
patent: 4172547 (1979-10-01), Del Grande
patent: 4256255 (1981-03-01), Stevenson
patent: 4639388 (1987-01-01), Ainsworth et al.
patent: 4795615 (1989-01-01), Cyron et al.
patent: 5050790 (1991-09-01), Takikawa et al.
patent: 5082167 (1992-01-01), Sadano et al.

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