Alternative surface localization studies and electrochemical investigation of tyrosine hybridized poly (ethylene glycol) for corrosion inhibition of mild steel

Oluwafemi J. Sanumi, Oluwaseyi D. Saliu, Mamookho E. Makhatha

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Two poly (ethylene glycol)-tyrosine hybrid polymers (PEGT1% and PEGT3%) were used to inhibit the corrosion of mild steel in 1 M HCl. In this work, surface plot investigations which employed several mapped sites, pixel coordinates, ideal spread function, and 3D-luminance plots were used to monitor the corrosion performances of the two green hybrid polymers designed. Principal Component Analysis (PCA) statistics showed that surface area and activity per site with eigenvalues of 0.977 were the most important factor in the corrosion rate study. Weight loss and electrochemical studies showed that PEGT1% performed excellently as a corrosion inhibitor compared to PEGT3%.

Original languageEnglish
Pages (from-to)700-715
Number of pages16
JournalJournal of Materials Research and Technology
Volume13
DOIs
Publication statusPublished - 1 Jul 2021

Keywords

  • Corrosion inhibitor
  • EIS
  • Mild steel
  • PDP
  • Polymer composite
  • Surface analysis

ASJC Scopus subject areas

  • Ceramics and Composites
  • Biomaterials
  • Surfaces, Coatings and Films
  • Metals and Alloys

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