Brazeable aluminum material and a method of producing same

Details Brazeable aluminum material and a method of producing same Brazeable aluminum material and a method of producing same

1995-05-15

1996-12-03

Jordan, Charles T.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428548, 428559, 428557, B22F 704

Patent

active

055817998

ABSTRACT:
A brazeable aluminum material is composed of an aluminum core and a brazing agent layer consisting of a brazing agent thermally sprayed onto and covering a surface of the core. A number of unmolten minute particles of the brazing agent are present in the brazing agent layer, which contains at least an aluminum-silicon alloy and/or a mixture of aluminum and silicon. Characteristic features of a method of producing the brazeable aluminum material are the steps of: preparing a powder composed of minute particles; and thermally spraying the powder onto the aluminum core in such a state that only a surface of each minute particle is molten, with a pith of the particle remaining unmolten. The powder is an Al-Si alloy and/or a mixture of Al powder and Si powder.

REFERENCES:
patent: 4905886 (1990-03-01), Kennedy et al.
patent: 5251374 (1993-10-01), Halstead
patent: 5330090 (1994-07-01), Iwai et al.

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