This paper refers to the results obtained in the investigation on bubbles formation in hybrid Laser-GMAW welding. Bead on plate weldings were obtained on 8 mm thick AA6082 plates and the process parameters investigated were: GMAW current, arc transfer mode and mutual distance between arc and laser sources. Bubbles were observed by means of X-ray inspection techniques and measured exploiting an image analysis software. Finally a correlation, based on analysis of variance, between process parameters and porosity formation is proposed.
- Manufacturing Engineering Division
Investigation on Porosity Formation in AA6082 Hybrid Laser-GMAW Welding
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Ascari, A, Fortunato, A, Orazi, L, Campana, G, & Tani, G. "Investigation on Porosity Formation in AA6082 Hybrid Laser-GMAW Welding." Proceedings of the ASME 2010 International Manufacturing Science and Engineering Conference. ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2. Erie, Pennsylvania, USA. October 12–15, 2010. pp. 229-236. ASME. https://doi.org/10.1115/MSEC2010-34247
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