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DYNA
versión impresa ISSN 0012-7353
Resumen
DORTA ALMENARA, MINERVA et al. EMPIRICAL EXPRESSION FOR THE PREDICTION OF PENETRATION IN BUTT JOINTS FOR DUPLEX STAINLESS STEEL SAF 2205. Dyna rev.fac.nac.minas [online]. 2011, vol.78, n.169, pp.206-215. ISSN 0012-7353.
This research shows some empirical models to predict the butt geometry of duplex 2205steel weldment. These models consider the most important operational parameters of the weld: current (I), voltage (E), welding speed (v) and heat input (HI). Different combinations of these parameters were applied for the SAW process. The geometry of the weld metal was measured throughout a 360 ° sweep with 38 measurements for each sample. The models were then validated through control charts. It was observed that increasing the intensity of current and heat input, increases the weld bead geometry, penetration, width and height. The opposite occurs with an increase in the welding speed.
Palabras clave : SAW; Duplex SAF 2205; Mathematical Model; Geometry and Cordon.