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Inhibitory Action Of Garlic Extract In The Corrosion Of Copper Under Thin Electrolyte Layers

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  • ZHENYU CHEN

    (Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China†Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China)

  • HONGYU CEN

    (Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China)

  • LISHA WEI

    (Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China)

  • YAMIN CAO

    (Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China)

  • XINGPENG GUO

    (Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China†Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China)

Abstract

The inhibition effects of garlic extract on copper corrosion under a thin electrolyte layer (TEL) were investigated using weight-loss measurements, electrochemical methods and surface analysis. Results showed that the volatile organosulfur compounds of garlic extract, such as diallyl trisulfide and di-2-propenyl disulfide, among others, could adsorb on the surface of copper and have a significant inhibitory effect on copper corrosion. Garlic extract acted as a mixed-type inhibitor for copper under TEL. Surface analyses, such as scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS), were conducted to illustrate the inhibitive mechanisms of this plant extract under a TEL.

Suggested Citation

  • Zhenyu Chen & Hongyu Cen & Lisha Wei & Yamin Cao & Xingpeng Guo, 2019. "Inhibitory Action Of Garlic Extract In The Corrosion Of Copper Under Thin Electrolyte Layers," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(01), pages 1-9, January.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:01:n:s0218625x18501287
    DOI: 10.1142/S0218625X18501287
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