Attenuation of Acid Corrosion of Mild Steel Using a Novel Organic Dye: Electrochemical and Surface Measurements

Rao Yudhistira Rao, Kumari P Preethi Kumari P, Dhanya Sunil, Prakash Shetty, Suma A. Rao

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Pages (from-to)443-454
Number of pages12
JournalSurface Engineering and Applied Electrochemistry
Volume55
Issue number4
DOIs
Publication statusPublished - 01-07-2019

Fingerprint

Potentiodynamic polarization
Surface measurement
Carbon steel
corrosion
Coloring Agents
Azo Compounds
Dyes
dyes
attenuation
steels
Corrosion
acids
Acids
Azo dyes
Phenol
Corrosion rate
Electrochemical impedance spectroscopy
Adsorption isotherms
Phenols
Surface morphology

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Industrial and Manufacturing Engineering

Cite this

@article{beba0120722c48539fa87aad8ec57554,
title = "Attenuation of Acid Corrosion of Mild Steel Using a Novel Organic Dye: Electrochemical and Surface Measurements",
abstract = "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.",
author = "{Yudhistira Rao}, Rao and {Preethi Kumari P}, {Kumari P} and Dhanya Sunil and Prakash Shetty and Rao, {Suma A.}",
year = "2019",
month = "7",
day = "1",
doi = "10.3103/S1068375519040069",
language = "English",
volume = "55",
pages = "443--454",
journal = "Surface Engineering and Applied Electrochemistry",
issn = "1068-3755",
publisher = "Allerton Press Inc.",
number = "4",

}

Attenuation of Acid Corrosion of Mild Steel Using a Novel Organic Dye : Electrochemical and Surface Measurements. / Yudhistira Rao, Rao; Preethi Kumari P, Kumari P; Sunil, Dhanya; Shetty, Prakash; Rao, Suma A.

In: Surface Engineering and Applied Electrochemistry, Vol. 55, No. 4, 01.07.2019, p. 443-454.

Research output: Contribution to journalArticle

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.

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.

UR - http://www.scopus.com/inward/record.url?scp=85071923755&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85071923755&partnerID=8YFLogxK

U2 - 10.3103/S1068375519040069

DO - 10.3103/S1068375519040069

M3 - Article

AN - SCOPUS:85071923755

VL - 55

SP - 443

EP - 454

JO - Surface Engineering and Applied Electrochemistry

JF - Surface Engineering and Applied Electrochemistry

SN - 1068-3755

IS - 4

ER -