SUS 304不锈钢闪光对焊工艺研究  

Research on Flash Butt Welding Technology of SUS 304 Stainless Steel

作　　者：王洋[1,2] 郑世达[2] 刘正林[2] 尹登峰[1] 高世一[2] 

机构地区：[1]中南大学材料科学与工程学院,湖南长沙410083 [2]广东省工业技术研究院(广州有色金属研究院)广东省现代焊接技术重点实验室,广东广州510650

出　　处：《热加工工艺》2015年第1期45-47,55,共4页Hot Working Technology

摘　　要：通过正交试验方法,研究了SUS 304不锈钢的闪光对焊工艺。选择次级电压U2、闪光留量Sf、顶锻留量Su、闪光速度vf作为正交试验的因素,接头抗拉强度作为各焊接参数的评价指标。试验结果表明,U2与Su对接头抗拉强度影响最大,顶锻时未闭合的爆坑在焊缝中可能形成孔洞缺陷。研究表明,采用合适的连续闪光对焊工艺,可获得SUS304不锈钢的牢固接头。The flash butt welding process of SUS 304 stainless steel was studied by orthogonal experiment method. The secondary voltage U2, flash allowance Sf, upsetting allowance Su, flash speed vf was choosen as the factors of orthogonal experiment, the tensile strength of the welded joint was the evaluation index of each welding parameters. The results show that U2 and Su are the biggest influences on the tensile strength of the welded joint. In the welded joint, the hole defects may be formed. The hole may be not the closed blasting crater for upsetting. The results show that when using appropriate continuous flash butt weldin~ technoloL, v, the stron~ joint of SUS 304 stainless steel can be obtained.

关 键 词：闪光对焊 SUS 304不锈钢 焊接工艺 正交试验 

分 类 号：TG453[金属学及工艺—焊接]