Single-Layered Zn-Fe Alloy Electrodeposition for The Protection of Mild Steel Structures

Document Type : Original Article

Authors

1 Department of Chemistry, NMAM Institute of Technology, Nitte (Deemed to be University), Nitte-574110, Karnataka, India

2 Electrochemistry Laboratory, Department of Chemistry, National Institute of Technology Karnataka, Srinivasnagar, 575025 India

Abstract

Electrodeposition of Zinc-Iron alloy has been used to improve the corrosion resistance of mild steel. This alloy plating was successfully coated on mild steel using the electrodeposition technique. Under varied deposition conditions, the zinc-iron alloy films onto the steel plate were examined. The purpose of this study is to describe the corrosion characteristics of the coated sample in 3.5% NaCl for the application of novel, sacrificial coatings for the defence of steel structures. It has been thoroughly examined how plating variables including bath composition, pH, and current density affect the composition, morphology; and corrosion properties of the coatings were discussed. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) are used to analyze the morphological characteristics and phase structure of the coatings. The surface roughness of the coating was measured by Atomic Force Microscopy (AFM). The Vickers indenter was employed to measure the microhardness of the coated sample. The corrosion resistance of Zn-Fe alloy coatings was assessed using electrochemical impedance spectroscopy (EIS) and polarization techniques at different current densities. The new low-cost Zn-Fe alloy coating was used for automobile applications.

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Main Subjects

Analytical and Bioanalytical Electrochemistry
Volume 16, Issue 3
March 2024
Pages 258-268

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History

  • Receive Date: 14 July 2023
  • Revise Date: 23 February 2024
  • Accept Date: 27 February 2024

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