Fe element plentifully diffused into welding seam in the form of globosity, while Cu element diffused a little into steel and the soldering seam was formed.

• 另一方面钢基体与硅青铜焊丝进行氩弧钎焊，铁以球状形式向焊缝中进行了大量的扩散，而铜向铁基母材中进行了少量的扩散，并形成了一条氩弧钎焊缝。