Mgを含有したアルミニウム合金の真空ろう付性

抄録

Vacuum brazeability of various aluminum alloys was investigated to examine the effect of Mg content and the origin of poor brazeability was proved. Brazeability of aluminum alloys containing Mg more than 1wt% remarkably decreased. The poor brazeability of higher Mg containing aluminum alloys was derived from the lack of filler alloy both by the spreading on the surface and by the erosion through grain boundary of the alloy during brazing.