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1. (WO2010114524) BERYLLIUM-FREE HIGH-STRENGTH COPPER ALLOYS

Pub. No.:    WO/2010/114524    International Application No.:    PCT/US2009/038958
Publication Date: Fri Oct 08 01:59:59 CEST 2010 International Filing Date: Wed Apr 01 01:59:59 CEST 2009
IPC: C22C 9/06
C22F 1/08
Applicants: QUESTEK INNOVATIONS LLC
WRIGHT, James, A.
MISRA, Abhijeet
Inventors: WRIGHT, James, A.
MISRA, Abhijeet
Title: BERYLLIUM-FREE HIGH-STRENGTH COPPER ALLOYS
Abstract:
A beryllium-free high-strength copper alloy includes, about 10-30 vol % of L12- (Ni,Cu)3(Al,Sn), and substantially excludes cellular discontinuous precipitation around grain boundaries. The alloy may include at least one component selected from the group consisting of: Ag, Cr, Mn, Nb, Ti, and V, and the balance Cu.