2004
DOI: 10.1016/j.jmatprotec.2004.04.215
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The prediction of seam welds quality in aluminum extrusion

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Cited by 152 publications
(102 citation statements)
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“…Moreover, the welding quality index K was commonly used for evaluating the welding quality of the hollow extruded profiles in porthole die extrusion [2,3] :…”
Section: Fem Simulation Proceduresmentioning
confidence: 99%
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“…Moreover, the welding quality index K was commonly used for evaluating the welding quality of the hollow extruded profiles in porthole die extrusion [2,3] :…”
Section: Fem Simulation Proceduresmentioning
confidence: 99%
“…Akeret R [1] did the first studies on the weld formation process in 1972 and found basic rules for welding chamber design. Donati L et al [2][3][4] set up the welding criteria that could best discriminate good welds from poor ones based on many extrusion experiments. Jo H H, et al [5] and Mooi H G et al [6] also did the investigation about the welding quality in porthole die extrusion.…”
Section: Introductionmentioning
confidence: 99%
“…Besides the extrusion and material parameters, the die and profile geometry as well as post-extrusion treatments distinctly influence the quality of weld seams. In particular, the distribution of temperature, stress and strain as well as the contact time in the welding chamber play an important role to control the solid-state bonding process [5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…This criterion greatly emphasizes the dead zone in the welding chamber. Based on this observation, DONATI and TOMESANI [6] introduced speed as a correction factor and proposed the K criterion (pressure-time-flow criterion). By applying these criteria to experiments performed by VALBERG et al [7−8] and FE simulation [6], it was found that K criterion can discriminate the welding quality efficiently.…”
Section: Introductionmentioning
confidence: 99%