Journal of Materials Engineering and Performance

, Volume 27, Issue 4, pp 2010–2017 | Cite as

Wear Behavior of AZ31/Al2O3 Magnesium Matrix Surface Nanocomposite Fabricated via Friction Stir Processing

  • Mahdi Azizieh
  • Arsham Norouzi Larki
  • Mehdi Tahmasebi
  • Mehdi Bavi
  • Ehsan Alizadeh
  • Hyoung Seop Kim


The aim of this study was to produce magnesium-based surface nanocomposites via friction stir processing and to investigate the effect of tool rotational speed on the microstructure, hardness and wear behavior. The surface of the nanocomposites was characterized using optical and scanning electron microscopes, as well as through microhardness and wear tests. The results indicated that with the increase in rotational speed, the grain size of the surface nanocomposites increased, but its hardness decreased despite the improved distribution of Al2O3 nanoparticles. It was also found that the wear resistance has a direct relation to the distribution of the Al2O3 nanoparticles. Furthermore, the addition of nano-Al2O3 changed the wear mechanism from the adhesive mode in the as-received AZ31 to the abrasive mode in the nanocomposite specimens. The rotational speed of 1400 rpm was an optimum parameter to achieve a suitable composite layer with the highest wear resistance.


friction stir processing hardness magnesium metallic matrix composite wear 



This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. 2014R1A2A1A10051322).


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Copyright information

© ASM International 2018

Authors and Affiliations

  • Mahdi Azizieh
    • 1
  • Arsham Norouzi Larki
    • 1
  • Mehdi Tahmasebi
    • 1
  • Mehdi Bavi
    • 1
  • Ehsan Alizadeh
    • 1
  • Hyoung Seop Kim
    • 2
  1. 1.Department of Materials Science and Engineering, Ahvaz BranchIslamic Azad UniversityAhvazIran
  2. 2.Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)PohangSouth Korea

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