Brazing alloy

C - Chemistry – Metallurgy – 22 – C

Patent

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29/33, 255/83, 7

C22C 30/06 (2006.01) B23K 35/30 (2006.01) C22C 9/04 (2006.01)

Patent

CA 1071439

ABSTRACT OF THE DISCLOSURE . Silver-containing brazing alloys are provided which are suitable for use in the fabrication of cutting tools, for example, the brazing of a cutting tip to a shank of a rock drill. One particular silver-containing brazing alloy in accordance with an aspect of this invention comprises, apart from impurities, 15-40 wt.% zinc, 15-45 wt.% silver, 0,2-15 wt.% manganese, 0.2- 10 wt,% nickel and the balance copper. This brazing alloy is thus com- patible both with the steel shank material and the cobalt-bonded tungster carbide cutting tip material.

218574

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