A copper alloy having an improved combination of yield strength and electrical conductivity consists essentially of, by weight, from 1% to 2.5% of nickel, from 0.5% to 2.0% of cobalt, with a total nickel plus cobalt content of from 1.7% to 4.3%, from 0.5% to 1.5% of silicon with a ratio of (NiCo)/Si...http://www.google.fr/patents/US20040079456?utm_source=gb-gplus-shareBrevet US20040079456 - Copper alloy containing cobalt, nickel and silicon
Copper alloy containing cobalt, nickel and silicon
Numéro de demande: 10/610,433 Numéro de publication: US 2004/0079456 A1 Date de dépôt: 30 juin 2003 Brevet délivré: US7182823 ( Date de délivrance 27 févr. 2007)