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@article{194743,
        author = {SAIPRASANTH V and Prof M. Deepak Kumar and Dr K Venkatesan},
        title = {A Comprehensive Study On Electron Beam Welding of Dissimilar Copper Joints: Process–Structure–Property Relationships and Challenges},
        journal = {International Journal of Innovative Research in Technology},
        year = {2026},
        volume = {12},
        number = {10},
        pages = {5310-5314},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=194743},
        abstract = {Electron Beam Welding (EBW) is a high-energy density fusion welding process that offers significant advantages for joining copper and its dissimilar material combinations. However, the intrinsic properties of copper, particularly its high thermal conductivity and reflectivity, present substantial challenges in achieving stable fusion and defect-free welds. This study provides an in-depth analysis of EBW process parameters and their influence on weld morphology, microstructural evolution, and mechanical performance in copper and copper-based dissimilar joints. A systematic evaluation of key parameters—beam current, accelerating voltage, welding speed, focus position, and beam oscillation—is presented, highlighting their individual and interactive effects on weld penetration, heat input, defect formation, and grain structure. The results indicate that beam current is the dominant factor influencing weld quality, accounting for up to 81% of variation in weld geometry, while optimized oscillation techniques significantly reduce porosity and improve homogeneity. Furthermore, the study discusses metallurgical transformations, intermetallic formation in dissimilar joints, and hardness variations across weld zones. Critical research gaps, including the need for real-time monitoring, predictive modeling, and application-specific optimization, are identified. The findings provide a comprehensive framework for improving EBW performance in copper-based systems for advanced industrial applications.},
        keywords = {Electron Beam Welding (EBW), Copper Welding, Dissimilar Metal Joining, Beam Current Optimization, Weld Morphology, Microstructural Evolution, Heat Input Control, Weld Penetration, Porosity Reduction, Beam Oscillation.},
        month = {March},
        }