Brazing alloy composition

Details Brazing alloy composition Brazing alloy composition

1983-02-28

1985-01-15

Rosenberg, Peter D.

Metal treatment

Compositions

Fluxing

148 23, 148 25, B23K 3534

Patent

active

044937385

ABSTRACT:
A thermoplastic brazing alloy composition contains a particulate brazing alloy and a flux dispersed in a petroleum wax to form a solid suspension at room temperatures. Preferred petroleum waxes are paraffin wax and microcrystalline wax. On application to a workpiece and heating to brazing temperatures, the wax melts and leaves the brazing site and then volatilizes without leaving any carbonaceous residue and without causing any bubbling or blistering. The use of petroleum waxes is particularly useful when the flux contains a reactive material such as fluoroborate, a silicofluoride or an aluminofluoride.

REFERENCES:
patent: 3915729 (1975-10-01), Eustice
patent: 4151016 (1979-04-01), Lee
patent: 4342606 (1982-08-01), Notton

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