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7021

EVALUATION OF ELECTROCHEMICAL CORROSION FOR MILD STEEL EXPOSED TO DIFFERENT CHLORIDE MEDIA.

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Last updated: 22 Jan 2023

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Chemistry

Abstract

The influence of different chloride media such as 3.5%NaCl, 10% NaCl, Vätäänen nine salt solutions (VNSS) prepared as artificial seawater and natural seawater on the corrosion of mild steel (MS) has been studied using electrochemical polarization techniques. The effect of the addition of starch, glucose, yeast extract, peptone, and mixture of growth media on the corrosion behavior of mild steel has been also discussed. The order of the rate of decrease in oxide film thinning proceeds according to the following order of the type of the applied medium: 10%NaCl > seawater > VNSS > 3.5%NaCl. On the other hand in case of mild steel immersed in VNSS in presence of different nutrients the rate of oxide film thinning proceed according to the following order of the type of growth medium: Peptone < glucose < yeast extract < mixture of growth media ≈ starch. Seawater was found to be less corrosive than VNSS. Addition of the growth media induced a decrease in both the cathodic and anodic currents and acted as a mixed type inhibitor. Cyclic polarization scans illustrate little decrease in the pitting tendency in the presence of growth media.

DOI

10.21608/absb.2011.7021

Keywords

mild steel, electrochemical polarization techniques, Growth media, artificial seawater

Authors

First Name

A.

Last Name

NAGIUB

MiddleName

M.

Affiliation

Chemistry Department, Faculty Of Science, Al-Azhar University, Assiut 71524- Egypt

Email

-

City

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Orcid

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First Name

M.

Last Name

EL-ERIAN

MiddleName

A.

Affiliation

Chemistry Department, Faculty Of Science, Al-Azhar University, Assiut 71524- Egypt

Email

-

City

-

Orcid

-

First Name

M.

Last Name

HASHEM

MiddleName

H.

Affiliation

Chemistry Department, Faculty Of Science, Al-Azhar University, Assiut 71524- Egypt

Email

-

City

-

Orcid

-

First Name

M.

Last Name

EL-SABBAH

MiddleName

M.

Affiliation

Chemistry Department, Faculty Of Science, Al-Azhar University, Nasr City, Egypt

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-

City

-

Orcid

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Volume

22

Article Issue

Issue 2-A

Related Issue

1329

Issue Date

2011-12-01

Receive Date

2011-08-02

Publish Date

2011-12-01

Page Start

113

Page End

128

Print ISSN

1110-2535

Online ISSN

2636-3305

Article File

ABSB_Volume 22_Issue Issue 2-A_Pages 113-128.pdf

PDF . 693.0kB

Link

https://absb.journals.ekb.eg/article_7021.html

Detail API

https://absb.journals.ekb.eg/service?article_code=7021

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10

Type

Original Article

Type Code

520

Publication Type

Journal

Publication Title

Al-Azhar Bulletin of Science

Publication Link

https://absb.journals.ekb.eg/

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Article

Created At

22 Jan 2023