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2-mercaptopyrimidine as an effective inhibitor for the corrosion of cold rolled steel in HNO3 solution

Li, Xianghong, Deng, Shuduan, Lin, Tong, Xie, Xiaoguang and Du, Guanben 2017, 2-mercaptopyrimidine as an effective inhibitor for the corrosion of cold rolled steel in HNO3 solution, Corrosion science, vol. 118, pp. 202-216, doi: 10.1016/j.corsci.2017.02.011.

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Title 2-mercaptopyrimidine as an effective inhibitor for the corrosion of cold rolled steel in HNO3 solution
Formatted title 2-mercaptopyrimidine as an effective inhibitor for the corrosion of cold rolled steel in HNO3 solution
Author(s) Li, Xianghong
Deng, Shuduan
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Xie, Xiaoguang
Du, Guanben
Journal name Corrosion science
Volume number 118
Start page 202
End page 216
Total pages 15
Publisher Elsevier
Place of publication Kidlington, Eng.
Publication date 2017-04
ISSN 0010-938X
1879-0496
Keyword(s) steel
EIS
polarisation
modelling studies
SEM
acid inhibition
Science & Technology
Technology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Materials Science
MOLECULAR-DYNAMICS SIMULATION
M HYDROCHLORIC-ACID
GLYOXAL UG RESIN
MILD-STEEL
CARBON-STEEL
REACTION-MECHANISM
NITRIC-ACID
AQUEOUS-SOLUTION
M H2SO4
AMINOPYRIMIDINE DERIVATIVES
Summary The inhibition effect of five pyrimidine derivatives (2-chloropyrimidine, 2-hydroxypyrimidine, 2-bromopyrimidine, 2-aminopyrimidine, 2-mercaptopyrimidine) on the corrosion of cold rolled steel (CRS) in 0.1M HNO3 solution was comparatively examined. 2-Mercaptopyrimidine (MP) was found to be an effective inhibitor with the inhibition efficiency as high as 99.1% at a low concentration 0.50mM. But other four pyrimidine derivatives exhibited poor inhibitive ability. The addition of MP caused both anodic and cathodic curves to low current densities, and was found to significantly strengthen the impedance. Quantum chemical calculation and molecular dynamic simulation were performed to theoretically investigate the adsorption mechanism.
Language eng
DOI 10.1016/j.corsci.2017.02.011
Field of Research 099999 Engineering not elsewhere classified
0912 Materials Engineering
0905 Civil Engineering
0913 Mechanical Engineering
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2017, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091660

Document type: Journal Article
Collection: Institute for Frontier Materials
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