Research progress of tantalum welding

钽的焊接技术研究进展 Research progress of tantalum welding 陈燕飞 1 2 first-author 张金祥 1 周吉学 3 朱政强 2 corresp zhuzhq01@126.com 赣州有色冶金研究所 赣州有色冶金研究所 Shandong Academy of Sciences Shandong Academy of Sciences 南昌大学机电工程学院 南昌大学机电工程学院 齐鲁工业大学山东省科学院新材料研究所 齐鲁工业大学山东省科学院新材料研究所 钽在武器装备、原子能、航天领域具有重要作用,但钽的焊接极为困难,仅有少数国家具备焊接能力。综述了国内外钽焊接的主要研究机构、研究内容、研究现状和发展趋势,调研结果表明:钽的焊接热源出现由弧焊向激光焊、电子束焊转变的趋势;主要研究趋势为基于焊接有限元模拟、材料计算结果来改进焊接工艺,进而获得高质量焊缝。国内钽焊接方法较为齐全,但研究深度不足,尤其是焊缝成形机理研究、焊缝组织调控方法、有限元分析等方面几乎处于空白阶段,需要大量深入的理论研究突破技术壁垒。 Tantalum plays an important role in the fields of weaponry,atomic energy,and aerospace,but the welding of tantalum is extremely difficult. Only a few countries at home and abroad have welding capabilities. This article reviews the main research institutions,research content,research status and development trends of tantalum welding allover the world. The survey results show that:the heat source of welding tantalum changed from arc welding to laser welding and electron-beam welding. The main research trend is to improve the welding process based on welding finite element simulation and material calculation results to obtain high-quality welds. Although welding techniques in China are relatively complete,the research depth is insufficient. In particular,there is almost no research on the formation mechanism,structure control method of welding joint,and finite element analysis. In-depth theoretical research is required to overcome the technical barriers. 钽 氩弧焊 电子束焊接 激光焊接 研究进展 tantalum tungsten argon arc welding electron beam welding laser welding research development TG44 2022-03-08 1 51