真空电子束焊接技术应用研究现状

简要概括了真空电子束焊接技术在不同材料连接方面的应用现状及研究发展动态,包括铝及其合金、钢铁材料、铜及铜合金、钛及钛合金、难熔金属钨/钽/铌/钼及其合金、金属间化合物及复合材料电子束焊接的发展现状。针对电子束焊接技术,简述了国内外学者已取得的部分研究成果,包括工艺试验、组织分析、数值模拟和力学性能等;分析了目前电子束焊接技术在材料连接方面还存在的问题,并展望了电子束焊接技术应向高温新型结构材料、异种材料、功能复合材料等方向发展,丰富了连接过程中的理论基础,揭示了工艺与组织及性能的对应关系,扩展了电子束焊接技术的应用领域。

Development Status of Applications of Vacuum Electron Beam Welding Technology

In this paper, applications and development of vacuum electron beam welding technology in joining of different materials were introduced, including aluminum and its alloy, steel, copper and its alloy, titanium and its alloy, refractory metal (W, Ta, Nb, Mo), intermetallic compound and composite. Achievements obtained by domestic and overseas investigators were briefly stated, including processes, microstructures, numerical simulation and mechanical properties. Existing problems of electron beam welding in joining of materials were analyzed, and the development trend of electron beam welding technology should focus on high temperature and structural materials, dissimilar materials, functional composite materials and et al. The theoretical basis of the process was enriched. The relationship between processes, microstructures and mechanical properties was revealed, and the application of electron beam welding technology was expanded.