潮湿高盐地区奥氏体耐热不锈钢焊接工艺与应用  

Welding process of austenitic heat-resistant stainless steel in humidand high-salt areas and its application

作　　者：王能淼 张君发 井立太 李同毅 Wang Nengmiao;Zhang Junfa;Jing Litai;Li Tongyi(Shandong Electric Power Construction First Engineering Co.,Ltd.,Power Construction Corporation of China,Jinan 250102,China;Institute for Materials Joining,Shandong University,Jinan 250061,China)

机构地区：[1]中国电建集团山东电力建设第一工程有限公司,济南250102 [2]山东大学,现代焊接技术研究所,济南250061

出　　处：《焊接》2019年第11期54-57,I0026,共5页Welding & Joining

摘　　要：受海边潮湿和高盐环境的影响,奥氏体不锈钢焊接焊口合格率较低。为解决该技术问题,文中开展了超细晶粒奥氏体耐热不锈钢焊接工艺试验。围绕防止焊缝中产生气孔、裂纹和根部未熔合等缺陷,优化了焊接工艺参数,最终制定了一套完整的潮湿高盐地区奥氏体耐热不锈钢焊接工艺。Affected by the wet and high-salt environment on the seashore,qualified rate of austenitic stainless steel welded joints was low.In order to solve the technical problem,welding process tests of ultra-fine grain austenitic heat-resistant stainless steel were carried out in the paper.welding parameters were optimized to prevent defects such as porosity,cracks and root fusion in the weld,and finally a complete set of welding process of austenitic heat-resistant stainless steel in humid and high-salt areas was developed.

关 键 词：潮湿高盐 超细晶粒 不锈钢 焊接 

分 类 号：TG444[金属学及工艺—焊接]