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Analysis And Microhardness Profile Of Hot Dipping Coating On Low-Alloy Steel

Author

Listed:
  • ABEER SHEHAB

    (College of Engineering, University of Diyala, Baquba. Diyala Governorate, Iraq)

  • ATHIL AL-EZZI

    (College of Engineering, University of Diyala, Baquba. Diyala Governorate, Iraq)

  • ALI AL KATAWY

    (College of Engineering, University of Diyala, Baquba. Diyala Governorate, Iraq)

Abstract

This research is an effort to understand the morphology of the coating produced during hot dipping process in pure zinc bath based on iron–zinc phase diagram. In this investigation, zinc coating on low-alloy steel AISI 4340 samples was applied by hot dipping method followed by an annealing process. Morphological characterizations of the steel surface layer were accomplished by optical microscopy (OM) and scanning electron microscopy (SEM) equipped with energy-dispersive X-ray spectrometry (EDS). Results revealed that the coating is bonded to the steel surface through a sequence of Fe–Zn layers namely alpha (α), delta (δ) and zeta (ζ) with uniform sloping hardness profile.

Suggested Citation

  • Abeer Shehab & Athil Al-Ezzi & Ali Al Katawy, 2021. "Analysis And Microhardness Profile Of Hot Dipping Coating On Low-Alloy Steel," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 28(03), pages 1-8, March.
    • Handle: RePEc:wsi:srlxxx:v:28:y:2021:i:03:n:s0218625x20500596
    DOI: 10.1142/S0218625X20500596
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