The results show that the TIG weld joint of ZM5 magnesium alloy is composed of heat affected zone, partially melted zone and weld metal.
结果表明：ZM5合金TIG焊接接头是由热影响区、部分重熔区和焊缝组成。
It was found that with the increasing of carbon content, the martensite layer the weld bond disappeared, and the sawtooth-like of the partially melted zone widened.
结果发现随碳含量增加，熔合区中的类马氏体层消失，呈锯齿状的部分熔合区增宽。
It was found that with the increasing of carbon content, the martensite layer the weld bond disappeared, and the sawtooth-like of the partially melted zone widened.
结果发现随碳含量增加，熔合区中的类马氏体层消失，呈锯齿状的部分熔合区增宽。
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