Brazing is a method of using a metal material with a lower melting point than the base metal as the filler, heating the weldment and the solder metal to higher than the melting point of the filler metal and lower than the melting temperature of the base metal. The base metal is wetted with liquid filler metal, the joint gap is filled and diffused with the base metal to realize the connection of the weldment.

2、Brazing is suitable for welding precise, complex and components composed of different materials, such as honeycomb structural plates, turbine blades, cemented carbide tools and printed circuit boards etc.

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