Microstructure and Mechanical Properties of Al-Mg-Sc-Zr Alloy Variable Polarity Plasma Arc Welding Joint
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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
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