| 摘要 |
PROBLEM TO BE SOLVED: To excellently and efficiently solder an aluminum-based composite material at a low cost by using the arc generated in the AC TIG welding. SOLUTION: In this method for soldering the aluminum-based composite material 3 with an aluminum alloy 4, the part to be soldered is heated by an arc 5 generated in the AC TIG welding, an oxide film on the part is removed by the purifying effect of the arc 5, a molten solder 12 is fed to the part, the soldered part is brushed from the above of the molten solder 12, then the molten solder 12 is solidified.
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