Homogeneous, ductile brazing foils

Details Homogeneous, ductile brazing foils Homogeneous, ductile brazing foils

1986-04-21

1989-01-31

Lin, Kuang Y.

Metal fusion bonding

Process

Preplacing solid filler

22826313, 22826315, 22826316, 164463, B23K 3522, B23K 3530, B22D 1106

Patent

active

048010723

ABSTRACT:
Metal parts are brazed by means of an amorphous filler metal foil. The brazing foil, useful for brazing stainless steels, has a composition consisting essentially of about 0-10 atom percent iron, about 0-20 atom percent chromium, about 3-5 atom percent molybdenum, about 5-35 atom percent cobalt, about 14-19 atom percent boron and the balance nickel and incidental impurities. The ductile foil permits fabrication of preforms of complex shapes which do not require binders and/or fluxes necessary for brazing powders presently used to braze stainless steels and nickel base alloys, and exhibits excellent braze-metal and high-temperature strengths.

REFERENCES:
patent: 3871836 (1975-03-01), Polk et al.
patent: 4067732 (1978-01-01), Ray
patent: 4148973 (1979-04-01), Sexton et al.
patent: 4190095 (1980-02-01), Bedell
patent: 4260666 (1981-04-01), DeCristofaro et al.
patent: 4480016 (1984-10-01), Henschel

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