Joining the die-cast non-combustible magnesium alloy AMX602 to the die-cast aluminum alloy ADC12 via friction stir lap welding (FSLW) was investigated. The aluminum alloy on the top can more easily form a sound dissimilar joint than that on the bottom. Strong dissimilar joints were achieved after the magnesium alloy was subjected to a plasma electrolytic oxidation treatment. After the welding process, the plasma electrolytic oxidation interlayer was stirred and flowed into the aluminum alloy side. The growth of the intermetallic compound was restrained by the plasma electrolytic oxidation interlayer by reducing the reaction time of the magnesium alloy and aluminum alloy.

研究了通过摩擦搅拌搭接（FSLW）将压铸不燃镁合金AMX602与压铸铝合金ADC12连接起来的过程。顶部的铝合金比底部的铝合金更容易形成声音不同的接头。对镁合金进行等离子电解氧化处理后，获得了牢固的异种接头。焊接后，搅拌等离子体电解氧化中间层，使其流入铝合金侧。通过减少镁合金和铝合金的反应时间，等离子体电解氧化中间层抑制了金属间化合物的生长。