中文摘要：

搅拌摩擦焊技术是近十几年发展起来的，适合于低熔点合金的一种新型焊接方法。由于镁合金具有密度小、比强度高、尺寸稳定性好等特点，目前镁合金的搅拌摩擦焊已经引起了越来越多的关注。综述了国内外镁合金搅拌摩擦焊接技术的研究现状，包括镁合金与同种及异种合金的连接技术，并展望了镁合金搅拌摩擦焊技术的发展趋势。

英文摘要：

Friction stir welding technology is a new type of welding method suit for low melting point alloy developed in the past ten years. As magnesium alloy has low density, high specific strength and good size stability, friction stir welding technology of magnesium alloy has attracted more and more attention. The research status of friction stir welding technology of magnesium alloy, including magnesium welding with the same and dissimilar alloys are summarized. Furthermore, the development direction of friction stir welding technology of magnesium alloy is pointed out.