摘要
针对目前国产ENi Cr Fe-3焊条难以适应全位置焊接,工程上主要依赖进口焊条的现状,开展了ENi Cr Fe-3焊条国产化研究。结果表明,通过控制药皮中多种氟化物、碳酸盐的比例,加入适量的重稀土氧化物,优化焊缝中Mn,Cr,Nb等元素的含量。研制的ENi Cr Fe-3焊条具有良好的全位置焊接工艺性,与进口焊条相当,其优良的力学性能、抗热裂纹性能及抗晶间腐蚀性能均满足技术要求。
Aiming at the current situation that domestic electrode ENiCrFe-3 is difficult to adapt to all position welding and imported electrode is widely used in engineering.The results showed that nickel base alloy covered electrode ENiCrFe-3 for all position welding was developed by reasonably adjusting the ratio of several carbonates,fluorides and a small amount of heavy rare earth oxides and controlling alloying element content of Mn,Cr,Nb and other elements in the electrode covering.Developed ENiCrFe-3 electrode exhibited good technological performances in all position welding which is equivalent to the similar foreign product under certain welding process conditions.Its excellent mechanical properties,perfect hot cracking susceptibility and good intergranular corrosion resistance can meet with the requirement.
作者
陈燕
张学刚
陈波
陈佩寅
徐锴
Chen Yan;Zhang Xuegang;Chen Bo;Chen Peiyin;Xu Kai(Harbin Well Welding Co.,Ltd.,Harbin 150028,China;Harbin Welding Institute Limited Company,Harbin 150028,China)
出处
《机械制造文摘（焊接分册）》
2019年第5期33-36,共4页
Welding Digest of Machinery Manufacturing
基金
国家科技重大专项(2018ZX06004001)
关键词
镍基合金焊条
全位置焊接
抗热裂纹性能
抗晶间腐蚀性能
nickel base alloy covered electrode
all position welding
hot cracking susceptibility
intergranular corrosion resistance
