Iranian Journal of Materials Science and Engineering
Iran University of Science & Technology
Fri, Nov 29, 2024
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Volume 12, Issue 2 (June 2015)
IJMSE 2015, 12(2): 34-46 |
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Dahdele J, Danaee I, Rashed G H, Rashvandavei M. CORROSION INHIBITION BEHAVIOR OF N,N′-BIS(2,4,6-TRIHYDROXYACETOPHENONE)-PROPANDIIMINE ON ST44.0 STEEL IN ALKALINE NACL SOLUTION. IJMSE 2015; 12 (2) :34-46
URL: http://ijmse.iust.ac.ir/article-1-801-en.html
URL: http://ijmse.iust.ac.ir/article-1-801-en.html
Abstract: (21899 Views)
The inhibition behavior of N,N′-bis(2,4,6-trihydroxyacetophenone)-propandiimine (THAPP) as an
environmentally friendly Salen Ligand on the corrosion inhibition of mild steel was studied in alkaline solution
(pH=10) containing 3% NaCl. Measurements were carried out using electrochemical and surface techniques. The
experimental results suggested that this compound was an effective corrosion inhibitor for mild steel and the protection
efficiency was increased with the increase in inhibitor concentration. Polarization curves indicated that this organic
compound was a mixed-type inhibitor. Adsorption on the mild steel surface follows the Langmuir isotherm model.
Activation parameters and thermodynamic adsorption parameters of the corrosion process such as E
a
, ΔH, ΔS, K
ads
,
and ΔG
ads
were calculated by the obtained corrosion currents at different temperatures
Type of Study: Research Paper |
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