Oct, 31, 2024

Vol.57 No.5

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  • KISE Journal of Korean Institute of Surface Engineering
  • Volume 54(1); 2021
  • Article

Review

KISE Journal of Korean Institute of Surface Engineering 2021;54(1):30-36. Published online: Nov, 30, -0001

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DOI : 10.5695/JKISE.2021.54.1.30

Properties of double-layered anodizing films on Al alloys formed by two consecutive anodizings

  • Jeong, Nagyeom;Choi, Jinsub;
    R&D center, YKMC Inc.;Program in Metals and Materials Process Engineering, Inha University;
Abstract

In this study, double-layered anodizing films were formed on Al 5052 and Al 6061 alloys consecutively first in sulfuric acid and then in oxalic acid, and hardness, withstand voltage, surface roughness and acid resistance of the anodizing films were compar

Keywords Aluminum;consecutive two-anodizing process;Oxalic acid;Sulfuric acid anodizing;Hardness;Dielectric breakdown;Acid resistance;