This paper refers to the results obtained in the investiga-tion on bubbles formation in hybrid Laser-GMAWwelding. 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.
Investigation on porosity formation in AA6082 hybrid laser-gmaw welding / A., Ascari; A., Fortunato; Orazi, Leonardo; G., Campana; G., Tani. - ELETTRONICO. - 2:(2011), pp. 229-236. (Intervento presentato al convegno ASME 2010 International Manufacturing Science and Engineering Conference, MSEC 2010 tenutosi a Erie, PA, usa nel 12-15 October 2010) [10.1115/MSEC2010-34247].
Investigation on porosity formation in AA6082 hybrid laser-gmaw welding
ORAZI, Leonardo;
2011
Abstract
This paper refers to the results obtained in the investiga-tion on bubbles formation in hybrid Laser-GMAWwelding. 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.
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