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 2271682
A copper base alloy consisting essentially of tin in an amount from about 1.0 to 11.0 % by weight, phosphorous in an amount from about 0.01 to 0.35 % by weight, iron in an amount from about 0.01 to about 0.8 % by weight, optionally up to 15 wt.% zinc, 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 concerne un alliage de cuivre constitué essentiellement d'étain à raison d'environ 1,0 à 11,0 % en poids, de phosphore à raison d'environ 0,01 à 0,35 % en poids, de fer à raison d'environ 0,01 à environ 0,8 % en poids, et éventuellement de zinc jusqu'à 15 % en poids, le reste étant constitué essentiellement de cuivre, notamment de particules de phosphure réparties uniformément dans toute la matrice. Cet alliage se caractérise par une excellente combinaison de propriétés physiques. Le procédé de formation dudit alliage de cuivre comprend la coulée, l'homogénéisation, le laminage, le recuit d'adoucissement, et le recuit de détente.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Waterbury Rolling Mills Inc.
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