Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Variable Polarity Plasma Arc Welding Joint
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-018-3549-6
Abstract: Al-Mg-Sc-Zr alloy plates were welded by variable polarity plasma arc welding (VPPAW) with Sc-containing filler wire. The microstructure and mechanical properties were investigated. Results show that the weld zone and heat-affected zone (HAZ) are narrow… read more here.
Keywords: polarity plasma; plasma arc; microstructure mechanical; arc welding ... See more keywords
The influence mechanism of variable polarity plasma arc pressure on flat keyhole welding stability
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.12.026
Abstract: Abstract The variable polarity plasma arc (VPPA) welding process is well suited for the welding of aluminum alloy, but the stable welding process and good-quality weld bead are difficult to be obtained in the flat… read more here.
Keywords: plasma arc; variable polarity; arc pressure; polarity ... See more keywords
Gravity effects on horizontal variable polarity plasma arc welding
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.01.038
Abstract: Abstract Welding defects easily appear in variable polarity plasma arc (VPPA) horizontal welding of aluminum alloy. The influence of gravity on the molten metal flow plays a critical role. Thus, the effect of the dip… read more here.
Keywords: polarity plasma; plasma arc; metal; gravity ... See more keywords
Effect of non-axisymmetric arc on microstructure, texture and properties of variable polarity plasma arc welded 5A06 Al alloy
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DOI: 10.1016/j.matchar.2018.02.023
Abstract: Abstract Microstructure, texture and mechanical properties in the weld joint of variable polarity plasma arc welding of 5A06 Al alloy under the condition of non-axisymmetric arc have been investigated. The weld joint are characterized by… read more here.
Keywords: arc; microstructure texture; deformation; variable polarity ... See more keywords
Visual-Acoustic Penetration Recognition in Variable Polarity Plasma Arc Welding Process Using Hybrid Deep Learning Approach
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DOI: 10.1109/access.2020.3005822
Abstract: Accurate characterization of keyhole pool behavior is important to improve the penetration recognition and quality detection during the variable polarity plasma arc welding (VPPAW) of aluminum alloy. However, the low-level hand-crafted visual/acoustic features are often… read more here.
Keywords: variable polarity; process; visual acoustic; penetration recognition ... See more keywords
Numerical Analysis of Physical Characteristics and Heat Transfer Decoupling Behavior in Bypass Coupling Variable Polarity Plasma Arc
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15093174
Abstract: A novel bypass coupling variable polarity plasma arc was proposed to achieve the accurate adjusting of heat and mass transfer in the welding and additive manufacturing of aluminum alloy. However, the physical characteristics and decoupled… read more here.
Keywords: arc; bypass; variable polarity; heat ... See more keywords