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http://dx.doi.org/10.14775/ksmpe.2016.15.4.093

Laser Surface Treatment of Magnesium Alloy using ZrO2 for Corrosion Resistance  

Yoon, Sangwoo (Department of Mechanical Engineering, Graduate School, Seoul National University of Science and Technology)
Kang, Dongchan (Department of Mechanical Engineering, Graduate School, Seoul National University of Science and Technology)
Kim, Joohan (Department of Mechanical Engineering, Graduate School, Seoul National University of Science and Technology)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.15, no.4, 2016 , pp. 93-100 More about this Journal
Abstract
The laser surface treatment of magnesium alloy was studied. $ZrO_2$ was used as sintering ceramics, and its corrosion resistance was verified. Appropriate laser parameters were proposed for homogeneous solidification of the sintered layer. The chemical compositions of the sintered layer were analyzed with laser-induced breakdown spectroscopy. $Na_2SO_4$ was used for a corrosion test, and the resistance of the sintered sample was confirmed. The microstructures of the sintered parts were also examined. The solidified grains on the top sintered surface were observed; however, reasonable fusion was obtained at the interface between the baseline and the ceramics. Laser surface treatment using $ZrO_2$ on magnesium alloy showed an improvement in corrosion resistance.
Keywords
Laser; Sintering; Zrconia; Magnesium alloy; Corrosion;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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