A nickel-free white copper alloy represented by the general formula: Cu.sub.a Zn.sub.b Mn.sub.c Al.sub.d or Cu.sub.a Zn.sub.b Mn.sub.c Al.sub.d X.sub.e, wherein X is at least one element selected from the group consisting of Si, Ti and Cr; b, c, d and e are 0.5.ltoreq.b<5, 7.ltoreq.c.ltoreq.17, 0.5.ltoreq.d.ltoreq.4 and 0 Una aleación de cobre blanca ni'quel-libre representada por el fórmula general: Cu.sub.a Zn.sub.b Mn.sub.c Al.sub.d o Cu.sub.a Zn.sub.b Mn.sub.c Al.sub.d X.sub.e, en donde X es por lo menos un elemento seleccionado del grupo que consiste en el silicio, el ti y el cr; b, c, d y e son 0.5.ltoreq.b

 
Web www.patentalert.com

< (none)

< Method for the heat treatment of a ZnSe crystal substrate, heat treated substrate and light emission device

> Ti(C,N)-(Ti,Ta,W)(C,N)-Co alloy for superfinishing cutting tool applications

> (none)

~ 00025