Distribution of Mg in melt pool and its effects on mechanical properties of welded joint were investigated by EDX analysis, microhardness test and tensile properties test.

• 通过对焊缝的能谱分析、显微硬度试验和拉伸性能试验，研究了Mg元素烧损后在熔池内的分布规律及对焊后力学性能的影响。