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<p>This study explores the protection of stainless steel SS316L alloy from wet corrosion using thin coatings of 0, 3, 5, 8, and 10% mole percentage of magnesium-incorporated zirconium oxide. The co-precipitation method was utilized to prepare the Mg-doped ZrO<sub>2</sub>, and it was coated as thin films on SS316L substrates. The Mg-doped ZrO<sub>2</sub> thin films were studied using XRD, Raman scattering, SEM, optical spectroscopy, and electrochemical analysis. A mixed-phase coating was confirmed using GIXRD and Raman analysis. Electrochemical analyses exhibited enhanced resistance to corrosion, showing a 43 times lower corrosion rate and increased charge transfer resistance for the coated samples, even after polarization measurements. The SEM, microscopy, and XPS analysis before and after corrosion further confirmed the corrosion resistance capabilities.</p> Graphical Abstract <p></p>

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Corrosion Protection of SS316L Alloy Using Mg-Doped Zirconia Thin Films Against Wet Corrosive Environment

  • 期刊论文

  • 发表日期：

    2026年5月1日

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  • Sundeep Kumar Marndi,
  • P. Thangadurai

摘要

This study explores the protection of stainless steel SS316L alloy from wet corrosion using thin coatings of 0, 3, 5, 8, and 10% mole percentage of magnesium-incorporated zirconium oxide. The co-precipitation method was utilized to prepare the Mg-doped ZrO2, and it was coated as thin films on SS316L substrates. The Mg-doped ZrO2 thin films were studied using XRD, Raman scattering, SEM, optical spectroscopy, and electrochemical analysis. A mixed-phase coating was confirmed using GIXRD and Raman analysis. Electrochemical analyses exhibited enhanced resistance to corrosion, showing a 43 times lower corrosion rate and increased charge transfer resistance for the coated samples, even after polarization measurements. The SEM, microscopy, and XPS analysis before and after corrosion further confirmed the corrosion resistance capabilities.

Graphical Abstract