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Enhancement Of Exfoliation Corrosion Resistance Of Aluminium Alloy 5083 By Shot Peening

Author

Listed:
  • A. VINOTH JEBARAJ

    (School of Mechanical Engineering, VIT University, India)

  • L. AJAYKUMAR

    (#x2020;Department of Mining Engineering, CEG, Anna University, India)

  • C. R. DEEPAK

    (#x2021;National Institute of Ocean Technology, Chennai, India)

  • K. V. V. ADITYA

    (#x2020;Department of Mining Engineering, CEG, Anna University, India)

Abstract

The present work is an effort to study the influence of shot peening on the exfoliation corrosion behavior of aluminium alloy (AA) 5083. Surface textural changes induced by shot peening was characterized using microstructural and X-ray diffraction analysis. The surface roughness parameters were measured to study the benefits of peening induced surface topography. Further, the hardness survey was carried out to assess the severe plastic deformation on the peened layers. As a result, excellent resistance against exfoliation corrosion was achieved in the chloride environment. Shot peening plays major role in enhancing the corrosion resistance of AA 5083. In the absence of exfoliation attack, the unpeened sample surfaces such as ground, milled, and as received conditions end up with a significant pitting attack. The findings of this work will be useful for the aluminium alloy fabrications involved in the marine applications.

Suggested Citation

  • A. Vinoth Jebaraj & L. Ajaykumar & C. R. Deepak & K. V. V. Aditya, 2018. "Enhancement Of Exfoliation Corrosion Resistance Of Aluminium Alloy 5083 By Shot Peening," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 25(07), pages 1-11, October.
    • Handle: RePEc:wsi:ijmpcx:v:29:y:2018:i:10:n:s0218625x19500203
    DOI: 10.1142/S0218625X19500203
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