Method of welding an aluminium object to a stainless steel objec

Details Method of welding an aluminium object to a stainless steel objec Method of welding an aluminium object to a stainless steel objec

1981-04-08

1983-10-04

Godici, Nicholas P.

Metal fusion bonding

Process

Combined

228208, 22826317, B23K 3102, B64G 100

Patent

active

044074417

ABSTRACT:
The surface of the stainless steel object to be welded is flame sprayed with a powder mixture of aluminium and a metal having a high melting point, e.g. nickel, to form a thin film undercoat which in turn is flame sprayed with a layer of very pure aluminium. The aluminium object is then welded to the coated surface of the stainless steel object using very pure aluminium as filler. Flame spraying is advantageously made using a plasma gas mixture including one part of hydrogen and ten parts of nitrogen. The bonded portions of the two objects may be electroplated with a thin film of nickel.

REFERENCES:
patent: 1971761 (1934-08-01), Travers
patent: 3100338 (1963-08-01), Henry
patent: 3173202 (1965-03-01), Farber
patent: 3289293 (1966-12-01), Stenquist
patent: 3368272 (1968-02-01), Wacongne
patent: 3872577 (1975-03-01), Kugler
patent: 4027367 (1977-06-01), Rondeau

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