论文部分内容阅读
本文介绍板厚50毫米和56毫米的15MnVN 钢的粗丝(φ3～4毫米)CO_2自动焊试验工作。内容包括采用HO8Mn2SiA焊丝焊接的焊缝和热影响区的机械性能;粗丝CO_2保护自动焊的焊接工艺(飞溅、裂纹和焊接规范)问题;母材的焊接性能。
This paper describes the 50 mm and 56 mm thick 15MnVN steel wire (φ3 ~ 4 mm) CO_2 automatic welding test work. This includes the mechanical properties of welds and HAZs welded with HO8Mn2SiA wire; the welding process (spatter, crack and weld specifications) of automatic wire brazing with CO 2 wire; and the weldability of base metal.