Oct, 31, 2024

Vol.57 No.5

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  • KISE Journal of Korean Institute of Surface Engineering
  • Volume 55(1); 2022
  • Article

Review

KISE Journal of Korean Institute of Surface Engineering 2022;55(1):24-31. Published online: Mar, 8, 2022

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DOI : 10.5695/JSSE.2022.55.1.24

Effect of pre-treatment in 0.5 M oxalic acid containing various NH4F concentrations on PEO Film Formation of AZ91 Mg Alloy

  • Duyoung Kwon1,2, Pung-Keun Song2, Sungmo Moon1,3*
    1Nano-Surface Materials Division, Korea Institute of Materials Science, Republic of Korea 2Department of Materials Science and Engineering, Pusan National University, Republic of Korea 3Advanced Materials Engineering, Korea University of Science and Techn
Abstract

This study investigated the effect of pre-treatment on the PEO film formation of AZ91 Mg alloy. The pre-treatment was conducted for 10 min at room temperature in 0.5 M oxalic acid (C2H2O4) solution containing various ammonium fluoride (NH4F) concentration

Keywords AZ91 Mg alloy, Plasma electrolytic oxidation, Pre-treatment