Talinum triangulare leaf and Musa sapientum peel extracts as corrosion inhibitors on ZA-27 Alloy

Document Type : Research Paper

Authors

1 Department of Science Technology, Federal Polytechnic, Ado-Ekiti, Ekiti State, Nigeria

2 Department of Glass & Ceramics Technology, Federal Polytechnic, Ado-Ekiti, Ekiti State, Nigeria

3 Centre for Entrepreneurship Development and Vocational Studies, Federal Polytechnic, Ado-Ekiti, Ekiti State, Nigeria

Abstract

With the current emergence of green chemistry to keep the environment safe, attention is being shifted towards using plant extracts as corrosion inhibitors. The inhibitive performances of Talinum triangulare leaf extract and Musa sapientum peel extract on the ZA-27 in 1.0 M and 1.5 M hydrochloric acid solutions were studied for 18 days using mass loss measurement. The corrosion inhibition efficiencies of the extracts were evaluated. The results showed promising anticorrosive performance in 1.0 M HCl. The average inhibition efficiencies recorded for Talinum triangulare leaf extract and Musa sapientum peel extract in 1.0 M HCl using 1 w/v of each extract after 18 days were evaluated as 62.30% and 63.27%, respectively, while in 1.5 M HCl; 40.54% and 38.45% were recorded for Talinum triangulare leaf extract and Musa sapientum peel as inhibitors, respectively, in 1.5 M HCl.

Graphical Abstract

Talinum triangulare leaf and Musa sapientum peel extracts as corrosion inhibitors on ZA-27 Alloy

Highlights

  • ZA-27 alloy is gaining wide spread popularity for its lightness, strength, corrosion resistance, excellent bearing and wear resistance properties.
  • Evaluation of Talinum triangulare leaf and Musa sapientum peel extracts performances as green inhibitors on the ZA-27 in acidic media.
  • The mass loss method of corrosion measurement is known for its simplicity, direct and versatile for determination and evaluation of corrosion rate and inhibition.

Keywords


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