The application of model-based processing diagrams to electron beam welding of Ti-6Al-4V

Electron beam welding is a high efficiency joining technology used in a range of industries to achieve high integrity welds. Model-based processing diagrams for laser treatment of engineering materials have been previously developed and have the potential to assist with the rapid selection of appropriate welding parameters. This paper investigates whether such a model-based approach for laser welding can be applied to electron beam welding and used for the rapid selection of workable processing parameters. Trials were performed on 4.7 mm thick plate and the selected welding parameter combinations led to a through-thickness weld with satisfactory mechanical performance. Such model-based diagrams are straightforward to construct and can reduce early-stage research and development costs.