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Journal of KWJS 2010;28(6):58-62.
Published online January 10, 2011.
Al 5052, 6061합금에 대한 플라즈마-GMA 용접공정특성 평가
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Process Evaluation of Plasma-GMA Welding for Al 5052 and 6061 Alloy
Cheolhee Kim, Young-Nam Ahn, Jin-Kang Choi, Sehun Rhee
Abstract
  In this study, the bead-on-plate welding were conducted by using GMA welding and plasma-GMA welding on Al 5052 and, Al 6061 plates. For these processes, the maximum welding speeds for full penetration were compared, and various weld qualities such as bead appearance, cross-section, cracks and porosities were examined. Faster welding speed, cleaner bead surface and more stable drop transfer could be achieved by plasma-GMA welding, compared with GMA welding.
Key Words: Plasma-GMA welding, Al alloy, Welding characteristics
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