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Joint integrity evaluation of laser beam welded additive manufactured Ti6Al4V sheets

Article scientifique 2022 Anglais

Résumé

The feasibility of joining laser metal deposited Ti6Al4V sheets using laser beam welding was investigated in this article. The additive manufactured sheets were joined using a 3 kW CW YLS-2000-TR ytterbium laser system. The mechanical properties and microstructure of the welded additive manufactured parts (AM welds) were compared with those of the wrought sheets welded using the same laser process. The welds were characterized and compared in terms of bead geometry, microhardness, tensile strength, fractography, and microstructure. The differences in characteristics are majorly found in the width of the bead and tensile strength. The bead width of AM welds appear wider than the wrought welds, and the wrought welds exhibited higher tensile strength and ductility than the AM welds.

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Omoniyi, P., Mahamood, R., Arthur, N., Pityana, S., Skhosane, S., Okamoto, Y., Shinonaga, T., Maina, M., Jen, T., Akinlabi, E. (2022). Joint integrity evaluation of laser beam welded additive manufactured Ti6Al4V sheets. https://doi.org/10.1038/s41598-022-08122-2

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Auteur(s)

Peter Omoniyi Rasheedat M. Mahamood N. Arthur Sisa Pityana Samuel Skhosane Yasuhiro Okamoto Togo Shinonaga Martin Ruthandi Maina Tien‐Chien Jen Esther T. Akinlabi

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