Abstract

The power at 400 Watts Nd: YAG laser is used for laser brazing on copper. By improving the process parameter,a good joint will be achieved. Because of the stainless steel material, more lasers will be absorbed, which can actualize the small power laser weld the thicker red copper. The test of the joint pull shows that the tensile strength of the copper brazing joint can reach more than 80% of its base mental.

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