Aluminum brazing method and furnace therefor

Details Aluminum brazing method and furnace therefor Aluminum brazing method and furnace therefor

1992-10-15

1994-03-01

Bradley, Paula A.

Metal fusion bonding

Process

With protecting of work or filler or applying flux

2282625, 2282332, B23K 120

Patent

active

052899683

ABSTRACT:
An aluminum brazing method includes the steps of preheating aluminum members in the form of workpieces coated with flux and brazing material in antioxidizing atmosphere gas up to a temperature around the flux activating temperature, and then heating the aluminum members from the temperature around the flux activating temperature to the brazing temperature mainly by forced convection of the anti-oxidizing atmosphere gas. An aluminum brazing furnace includes radiation intercepting members which are provided in the brazing chamber and which intercept the heat radiation to the work-pieces.

REFERENCES:
patent: 3440712 (1969-04-01), Stroup
patent: 3769675 (1973-11-01), Chartet
patent: 3882596 (1975-05-01), Kendziora et al.
patent: 3951328 (1976-04-01), Wallace et al.
patent: 4501387 (1985-02-01), Hoyer
patent: 4938410 (1990-07-01), Kondo
patent: 5147083 (1992-09-01), Halstead et al.
patent: 5156326 (1992-10-01), Gibson

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