C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 9/02 (2006.01) C22C 9/04 (2006.01) C22F 1/08 (2006.01)
Patent
CA 2270627
A copper base alloy consisting essentially of tin in an amount from about 0.1 to about 1.5 % by weight, phosphorous in an amount from about 0.01 to about 0.35 % by weight, iron in an amount from about 0.01 to about 0.8 % by weight, zinc in an amount from about 1.0 to about 15 % by weight, and the balance essentially copper, including phosphide particles uniformly distributed throughout the matrix, is described. The alloy is characterized by an excellent combination of physical properties. The process of forming the copper base alloy described herein includes casting, homogenizing, rolling, process annealing and stress relief annealing.
L'invention porte sur un alliage de cuivre comprenant essentiellement: d'environ 0,1 à environ 1,5 % en poids d'étain, d'environ 0,01 à environ 0,35 % en poids de phosphore, d'environ 0,01 à environ 0,8 % en poids de fer, d'environ 1,0 à environ 15 % en poids de zinc, et le reliquat essentiellement de cuivre, avec des particules de phosphures uniformément réparties dans la matrice. Ledit alliage se caractérise par une excellente combinaison de propriétés physiques, et son procédé, d'obtention, décrit dans la description, comporte les étapes de coulée, homogénéisation, laminage, recuit intermédiaire et recuit de relaxation.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Waterbury Rolling Mills Inc.
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