| 摘要 |
The present invention relates to novel brazing filler metals comprising copper, silver, zinc, manganese and at least one metal selected from the group indium, gallium and tin, the brazing filler metal is free from cadmium and phosphorus, aside from unavoidable impurities, comprising copper, from 15.5 weight percent to 49 weight percent silver, from 10 weight percent to 35 weight percent zinc, from 6 weight percent to 19 weight percent manganese, from 0.1 weight percent to 5 weight percent of at least one metal selected from the group consisting of Indium, Gallium, Tin and combinations thereof, the balance being copper and unavoidable impurities, with the proviso that if the silver content is from 35 weight percent to 49 weight percent, the manganese content is more than 8 weight percent.. The present invention further relates to a sandwich brazing filler metal, Use of the brazing filler metal, and a combination of a brazing filler metal with a flux and a method for joining metal parts by brazing, a brazed article. |
