2549 ステンレス鋼とアルミニウム合金の異材間大気中ろう付け(S26 溶接・接合,S26 溶接・接合の動向とその展開)

概要

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Brazing of stainless steel to various aluminum alloys had been carried out using Al-Si brazing filler with flux in the air. The brazing properties changed remarkably with kinds of aluminum alloy, and most of the Al alloys showed poor braze-ability. The reason for the poor braze-ability is considered as the rapid isothermal solidification of the filler due to the reaction between the aluminum alloy base metal and the brazing filler. In order to clarify such brazing conditions for making sound joints of Al-alloys to stainless steel, the solidification time is estimated by the numerical analysis in case of Al-Si binary alloy system, and is also measured experimentally. In order to obtain the brazed joint between the Al alloys and stainless steel, the initial brazing filler layer and the holding time at the brazing temperature are presented based on the results.
社団法人日本機械学会の論文
2007-09-07