About this Abstract |
Meeting |
MS&T21: Materials Science & Technology
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Symposium
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Additive Manufacturing of Metals: Microstructure, Properties and Alloy Development
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Presentation Title |
Influence of Bead’s Geometry on the Residual Stresses, Structure and Mechanical Behavior in Wire Arc Additive Manufacturing |
Author(s) |
Ahmed Elsokaty, Sameha Sadek, Maha Elsaied, Omar Gadalla, Hadeer Achraf, Hanadi A. G. Salem |
On-Site Speaker (Planned) |
Hanadi A. G. Salem |
Abstract Scope |
Wire Arc Additive Manufacturing high deposition rates have attracted the interest of industry for the demonstrated economical production of medium-to-large scale metallic components. Structural integrity and mechanical properties of the built parts are fully dependent on the selection of the optimum deposition parameters and the tool path strategy. In this study, additive robotic controlled system was employed for building orthogonal multi-layered prismatic steel blocks with different beads’ width and beads’ overlapping distances. The influence of the beads’ geometry on the structural evolution and mechanical properties along the building direction of the deposited blocks were characterized. Prediction of the generated stresses and strains along the building direction were simulated using Direct Energy Deposition module of Simufact welding. For the same overlapping distance, the wider the bead the lower the residual stresses, while for the same bead width the higher the overlapping distance the higher the residual stresses along the building direction. |