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综述了近年来镁合金在钨极氩弧焊、搅拌摩擦焊、电子束焊及电阻点焊方面的国内外研究现状。TIG焊是镁合金最常用的焊接方法,但能量密度不高,熔深较浅,热影响区较宽;而活性TIG焊可以改善镁合金TIG焊熔深浅的缺点,是镁合金电弧焊未来的发展方向;搅拌摩擦焊作为固相连接技术应用于镁合金具有独特的优势,是镁合金焊接的一个比较理想的方法。
The research status of magnesium alloys in recent years at home and abroad are summarized in the aspects of TIG welding, friction stir welding, electron beam welding and resistance spot welding. TIG welding is the most commonly used welding method of magnesium alloy, but the energy density is not high, the penetration depth is shallow, and the heat affected zone is wide. However, the active TIG welding can improve the shortcoming of magnesium alloy TIG welding, which is the future of magnesium alloy arc welding Development direction; Friction stir welding as a solid phase connection technology for magnesium alloy has unique advantages, is a magnesium alloy welding a more ideal method.