Hybrid Organosilicon-Metal oxide Composites and their Corrosion Protection Performance for Mild Steel in 3.5% NaCl Solution

Rami K. Suleiman*, A. Madhan Kumar, Akeem Y. Adesina, Fadi A. Al-Badour, Mohammed Hadj Meliani, Tawfik A. Saleh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

The effect of embedding various metal oxide additives on the structural, curing, morphological, adhesion, and corrosion protection properties of a novel hybrid sol-gel polymeric coating has been examined using various characterization techniques. The coating formulation embedded with yttrium(III) oxide exhibited optimum low surface roughness, good adhesion to metallic substrates with elevated thermal stability, and enhanced barrier properties for mild steel substrates in 3.5 wt.% NaCl medium compared to the parent coating. Scanning electrochemical microscopy analyses indicated a dense, crack-free, and homogeneous nature for the coating layer on the steel. The coating's degradation was evaluated using the scanning electrochemical microscopic technique.

Original languageEnglish
Article number108637
JournalCorrosion Science
Volume169
DOIs
StatePublished - Jun 2020

Bibliographical note

Publisher Copyright:
© 2020 Elsevier Ltd

Keywords

  • Composite Coatings
  • Metal oxide
  • Mild steel
  • Organosilicon
  • Saline

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • General Materials Science

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