brazing filler metal, sandwich brazing filler metal, brazing filler metal uses, brazing filler metal combination, brazing method of joining metal parts, and brazed article

摘要

Abstract brazing filler metal, sandwich brazing filler metal, brazing filler metal uses, brazing filler metal combination, brazing method of joining metal parts, and brazed article to new brazing filler metals comprising copper, silver, zinc, manganese and at least one metal selected from the group consisting of indium, gallium and tin, the braze filler metal is free of cadmium and phosphorus and 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. 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 provided that if the silver content is 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, the use of brazing filler metal and a combination of a brazing filler metal with a flux and a method for joining metal parts through brazing, a brazing filler. brazed article. 1/1