Patent ID: 8691395
Filing Date: 2014-04-08
Classification: B23K,B32B,C22C,Y10T

Abstract:
1. A composite material for brazing comprising: a base material; and a brazing filler material layer laminated on the base material, said brazing filler material layer being a laminate comprising copper or copper alloy, aluminum or aluminum alloy, and nickel or nickel alloy, in this order from said base material towards outside, wherein a content ratio of nickel to the entire amount of said brazing filler material layer is greater than or equal to 2 weight-percent but less than or equal to 10 weight-percent, and wherein a content ratio of aluminum to the entire amount of said brazing filler material layer is greater than or equal to 2 weight-percent but less than or equal to 40 weight-percent.