Homogeneous brazing foils of copper based metallic glasses

Details Homogeneous brazing foils of copper based metallic glasses Homogeneous brazing foils of copper based metallic glasses

1978-10-02

1980-06-24

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

75159, 228263R, C22C 910, C25D 706, B21C 3702

Patent

active

042095700

ABSTRACT:
Novel glassy metal alloys and the brazing of metal parts employing a homogeneous ductile filler metal foil of these alloys is disclosed. The glassy metal alloys have a composition consisting essentially of 5 to 40 atom percent nickel, 15 to 20 atom percent phosphorus with the balance being copper and incidental impurities. These alloys can be produced in the form of foil useful for brazing metal articles, particularly articles composed of copper and copper alloys.

REFERENCES:
patent: 2606362 (1952-08-01), Martin et al.
patent: 3871836 (1975-03-01), Polk et al.
patent: 4006838 (1977-02-01), Baumann et al.
patent: 4148973 (1979-04-01), Sexton et al.
Weigert, "Physical Properties of Commerical Silver-Copper-Phosphorus Brazing Alloys," The Welding Journal, vol. 35, 1956, pp. 672-674.
"Copper and Copper Alloys"-American Welding Society Brazing Manual, Third Ed., 1976, pp. 169-183.
"Specification for Brazing Filler Metal," American Welding Society, Specification AS.8-76, pp. 2, 7-9, 19, 21, 22.
Williams, "The Basics of Copper Brazing," Welding Design & Fabrication, Apr. 1978, pp. 63-65.
"Brazing Filler Metals," American Welding Society Welding Handbook, vol. 2, 7th Ed., 1978, pp. 387-389, 391, 394, 395.

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