Homogeneous, ductile brazing foils

Details Homogeneous, ductile brazing foils Homogeneous, ductile brazing foils

1982-09-27

1984-10-30

Lewis, Michael L.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

148403, 428606, 428679, 428680, 428685, B32B 1504

Patent

active

044800169

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: 3108861 (1963-10-01), Cope
patent: 3632319 (1972-07-01), Hoppin et al.
patent: 3871836 (1975-03-01), Polk et al.
patent: 4067732 (1978-01-01), Ray
patent: 4148973 (1979-04-01), Sexton et al.
patent: 4260666 (1981-04-01), DeCrisofaro et al.

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