Patent ID: 9677166
Date: 2017-06-13
CPC Classifications: B23K,C23C

Claim:
1. A surface-modified workpiece, made from at least one of a metal and one or more alloys, produced by a process comprising the steps of: providing, at a temperature of 100 to 700° C., a workpiece which is to be modified, the workpiece having an existing controlled atmosphere brazing (CAB) flux layer, and treating the workpiece having the temperature of 100 to 700° C. with at least one modifying agent to chemically and physically modify the existing controlled atmosphere brazing (CAB) flux layer in order to obtain the surface-modified workpiece, wherein the at least one modifying agent comprises at least one of wherein the at least one modifying agent has a temperature of at least −200° C. and at most 80° C. at time of the treating, wherein the chemically and physically modifying the existing controlled atmosphere brazing (CAB) flux layer results in the existing controlled atmosphere brazing (CAB) flux layer being impregnated with the modifying agent, and wherein the chemically and physically modifying the existing controlled atmosphere brazing (CAB) flux layer results in the existing controlled atmosphere brazing (CAB) flux layer having a continuous and rounded surface.