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Journal of the Korean Physical Society

, Volume 72, Issue 6, pp 692–698 | Cite as

Effect of Post-annealing and Strong Deformation Process on the Mechanical and Corrosion Properties of a Mg-Mn alloy for Biomedical Application

  • Min Gyu Kim
  • Jin Kon Kim
  • Hye Sung Kim
  • Woo Jin Kim
  • Jun Hyun Han
Article
  • 23 Downloads

Abstract

In this study, the influence of an annealing treatment and strong deformation process on the mechanical and corrosion properties of a Mg alloy for biomedical applications was investigated. The mechanical and corrosion properties in a Mg-1.6wt% Mn (M1) alloy as functions of the twin density and grain refinement were compared. The value of the corrosion current (Icorr) depended linearly on the area fraction of the twin in a coarse and twinned microstructure. The grain refinement via high-ratio differential speed rolling (HRDSR) processing was rather effective for obtaining remarkable increase in hardness and an improvement in the corrosion characteristic compared to a reduction of the twin density in as cast M1 alloy.

Keywords

M1 alloy Corrosion behavior Annealing temperature Twin density Grain refinement 

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Copyright information

© The Korean Physical Society 2018

Authors and Affiliations

  • Min Gyu Kim
    • 1
  • Jin Kon Kim
    • 1
  • Hye Sung Kim
    • 1
  • Woo Jin Kim
    • 2
  • Jun Hyun Han
    • 3
  1. 1.Dept. of Nano Fusion TechnologyPusan National UniversityMiryangKorea
  2. 2.Departmemt of Materials Science and EngineeringHongik UniversitySeoulKorea
  3. 3.Department of Nano Materials EngineeringChungnam National UniversityDaejeonKorea

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