The results show that when filler material is similar to parent mental Zn content in bond area is lower than that in the weld and the parent metal . The Cu and Al contents in bond area are higher than that in the parent metal .
结果显示在选用同质填充材料的情况下,焊接熔合 区的锌含量低于 焊缝和母 材,铝及铜的含量则高于母材;
美[wɛld ˈmɛtl ˈɛriə]英[weld ˈmetl ˈɛəriə]
[化] 焊缝区