Copper-nickel-zinc alloy containing silicon

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United States of America Patent

PATENT NO 9738961
SERIAL NO

15278448

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Abstract

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The invention includes a copper-nickel-zinc alloy with the following composition in weight %: Cu 47.0 to 49.0%, Ni 8.0 to 10.0%, Mn 0.2 to 0.6%, Si 0.05 to 0.4%, Pb 1.0 to 1.5%, Fe and/or Co up to 0.8%, the rest being Zn and unavoidable impurities, wherein the total of the Fe content and double the Co content is at least 0.1 weight % and wherein mixing silicides containing nickel, iron and manganese and/or containing nickel, cobalt and manganese are stored as spherical or ellipsoidal particles in a structure consisting of an α- and β-phase. The invention further relates to a method for producing semi-finished products from a copper-nickel-zinc alloy.

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Patent Owner(s)

  • WIELAND-WERKE AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuhn, Hans-Achim Illertissen, DE 20 85
Liebsch, Rudolf Voehringen, DE 3 6

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