Mokyoung Lee

ORCID: 0000-0003-1326-8105
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About
Contact & Profiles
Research Areas
  • Advanced Welding Techniques Analysis
  • Aluminum Alloy Microstructure Properties
  • Aluminum Alloys Composites Properties
  • Magnesium Alloys: Properties and Applications
  • High Entropy Alloys Studies
  • Metal and Thin Film Mechanics
  • Cellular and Composite Structures
  • High-Velocity Impact and Material Behavior
  • Metal Alloys Wear and Properties
  • Welding Techniques and Residual Stresses

Pohang Iron and Steel (South Korea)
2019

Research Institute of Industrial Science and Technology
2018-2019

In this study, over-lap joints were welded on thin sheet magnesium alloy using a CW high power fiber laser. The was 0.4mm thick AZ31B-O manufactured by strip casting and warm rolling. surface of the ground with sandpaper cleaned ethanol to remove oxide layer moisture. laser welding conditions speed 3~11m/min, 390~1,100W output defocus distance δ=0mm. Laser weldment characterized bead width upper lower center. weld strength measured hydraulic fatigue machine U type grip. failure modes showed...

10.5781/jwj.2019.37.4.1 article EN Journal of Welding and Joining 2019-08-29
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