Method for vacuum brazing aluminum members

Details Method for vacuum brazing aluminum members Method for vacuum brazing aluminum members

1994-02-09

1995-10-03

Heinrich, Samuel M.

Metal fusion bonding

Process

With protecting of work or filler or applying flux

22826251, B23K 1008

Patent

active

054545072

ABSTRACT:
A vacuum furnace for brazing aluminum with brazing metal containing magnesium in which evaporated magnesium in the furnace is oxidized before aluminum members having been brazed are taken out, and/or the temperatures of a movable wall serving to control the communication between a vacuum pump and a heating chamber during heating and of an inner surface of the heating chamber are maintained at above a specified temperature at which evaporated magnesium does not adhere, and/or a heating member which is to be excited electrically and electrodes used for electrically exciting the heating member, which are the constituents of a heater for heating the aluminum members and the brazing metal, are hermetically sealed and insulated from the inside of the heating chamber.

REFERENCES:
patent: 3673678 (1972-07-01), Moreau et al.
patent: 4221561 (1980-09-01), Limque et al.
patent: 4804128 (1989-02-01), Brittin
patent: 4808788 (1989-02-01), Bares
patent: 4842643 (1989-06-01), van Wijk
patent: 4886449 (1989-12-01), Brittin
patent: 4897115 (1990-01-01), van Wijk

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