TY - JOUR
T1 - Attenuation of Acid Corrosion of Mild Steel Using a Novel Organic Dye
T2 - Electrochemical and Surface Measurements
AU - Yudhistira Rao, Rao
AU - Preethi Kumari P, Kumari P
AU - Sunil, Dhanya
AU - Shetty, Prakash
AU - Rao, Suma A.
N1 - Publisher Copyright:
© 2019, Allerton Press, Inc.
PY - 2019/7/1
Y1 - 2019/7/1
N2 - Abstract: The corrosion behavior of mild steel in acid media was studied at different temperatures and over a range of concentrations of a newly synthesized azo dye, namely, 2-((E)-((Z)-(2-hydroxy- 5-((E)phenyldiazenyl) benzylidene) hydrazono) methyl)-4-(phenyldiazenyl)phenol (PBHP). Standard electrochemical methods such as potentiodynamic polarization and electrochemical impedance spectroscopy were employed for the corrosion rate measurements. As per the experimental data, the inhibition efficiency was observed to increase with an increase in the concentrations of PBHP. Potentiodynamic polarization measurements indicate that the studied inhibitor functions as mixed type and followed Langmuir adsorption isotherm. The surface morphology of the mild steel specimen was examined before and after corrosion using scanning electron microscopy and atomic force microscopy.
AB - Abstract: The corrosion behavior of mild steel in acid media was studied at different temperatures and over a range of concentrations of a newly synthesized azo dye, namely, 2-((E)-((Z)-(2-hydroxy- 5-((E)phenyldiazenyl) benzylidene) hydrazono) methyl)-4-(phenyldiazenyl)phenol (PBHP). Standard electrochemical methods such as potentiodynamic polarization and electrochemical impedance spectroscopy were employed for the corrosion rate measurements. As per the experimental data, the inhibition efficiency was observed to increase with an increase in the concentrations of PBHP. Potentiodynamic polarization measurements indicate that the studied inhibitor functions as mixed type and followed Langmuir adsorption isotherm. The surface morphology of the mild steel specimen was examined before and after corrosion using scanning electron microscopy and atomic force microscopy.
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U2 - 10.3103/S1068375519040069
DO - 10.3103/S1068375519040069
M3 - Article
AN - SCOPUS:85071923755
SN - 1068-3755
VL - 55
SP - 443
EP - 454
JO - Surface Engineering and Applied Electrochemistry
JF - Surface Engineering and Applied Electrochemistry
IS - 4
ER -