INHIBITORY ACTION OF GARLIC EXTRACT IN THE CORROSION OF COPPER UNDER THIN ELECTROLYTE LAYERS

被引：3
|
作者：
Chen, Zhenyu [1 ,2 ]
Cen, Hongyu [1 ]
Wei, Lisha [1 ]
Cao, Yamin [1 ]
Guo, Xingpeng [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Minist Educ, Key Lab Mat Chem Energy Convers & Storage, Wuhan 430074, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Hubei Key Lab Mat Chem & Serv Failure, Wuhan 430074, Hubei, Peoples R China
来源：
SURFACE REVIEW AND LETTERS | 2019年 / 26卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Garlic extracts; atmospheric corrosion; inhibitor; XPS; X-RAY PHOTOELECTRON; ORGANOSULFUR CONSTITUENTS; ATMOSPHERIC CORROSION; CARBON-STEEL; SURFACE; SPECTROSCOPY; RESPONSES; BEHAVIOR; PHASE; OIL;
D O I：
10.1142/S0218625X18501287
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
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页数：9
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