SUS301L奥氏体不锈钢CMT焊接性能研究  

A Study on Welding Performance of SUS301L Austenitic Stainless Steel by CMT

作　　者：李欣[1] 李东亮[1] 窦红强[1] 张爱华 Li Xin;Li Dongliang;Dou Hongqiang;Zhang Aihua(Sichuan Engineering Technical College,Deyang,Sichuan,618000,China)

机构地区：[1]四川工程职业技术学院材料系,四川德阳618000

出　　处：《装备制造与教育》2020年第4期8-11,共4页Equipment Manufacturing and Education

摘　　要：采用冷金属过渡焊(CMT)焊接SUS301L薄板件对接接头,采用正交实验确定了CMT最佳焊接工艺参数。结果表明:最佳焊接工艺参数为焊接速度31cm/mm,送丝速度为2.8m/min,焊接电压为16V,电弧推力为2.5;在最佳焊接工艺参数下焊接得到抗拉强度690MPa、焊缝中心区域显微硬度为195HV。SUS301L sheet metal can be welded by cold metal transition welding(CMT).The optimum welding parameters of CMT were determined by orthogonal experiment.The results showed that the optimum welding speed was 31cm/min;the wire feed rate was 2.8m/min;the welding voltage was 16V;the arc thrust was 2.5.The tensile strength was 690MPa and the micro-hardness of weld center area was 195HV.

关 键 词：冷金属过渡焊 工艺参数 焊缝性能 

分 类 号：TG442[金属学及工艺—焊接]