Vacuum brazing method for aluminum-based material

Details Vacuum brazing method for aluminum-based material Vacuum brazing method for aluminum-based material

2005-10-25

2005-10-25

Stoner, Kiley S. (Department: 1725)

Metal fusion bonding

Process

With protecting of work or filler or applying flux

C228S254000, C228S262510

Reexamination Certificate

active

06957762

ABSTRACT:
A vacuum brazing method is disclosed for joining aluminum stock materials to each other. The typical cladding material utilized includes aluminum and a melting point lowering agent such as silicon. In addition, the cladding material typically includes magnesium to provide for enhanced wetting of the cladding material into the joint area. It has been found that adjusting the ratio of magnesium to calcium to a level of equal to or greater than 625 to 1 provides greatly enhanced brazed joint formation and reliability of the vacuum brazing method.

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