Arc Characteristics of Aluminum Alloy Double-Wire High-Frequency Pulsed GMAW
Kaiyuan Wu,
Yongming Wu,
Qianrun Chen
et al.
Abstract:The present study used a novel double-wire pulsed gas metal arc welding (GMAW) method, enhanced with high-frequency pulses, for welding aluminum (Al) alloy. A digital oscilloscope and high-speed photography were used to capture the voltage and current waveforms at various phases and high-frequency pulse frequencies, along with the corresponding double arc profiles. The influence mechanism of high-frequency pulse frequency on the arc average current density and arc conductivity was combined to investigate the e… Show more
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