The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system

Amy Spark; Ivan Cole; David Law; Liam Ward

doi:10.1016/j.corsci.2016.04.032

The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system

Amy Spark
, Ivan Cole
, David Law
, Liam Ward^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of bacteria on carbon steel in the system in the future.

Original language	English
Pages (from-to)	174-181
Number of pages	8
Journal	Corrosion Science
Volume	110
DOIs	https://doi.org/10.1016/j.corsci.2016.04.032
Publication status	Published - 1 Sept 2016
Externally published	Yes

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10.1016/j.corsci.2016.04.032

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title = "The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system",

abstract = "A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of bacteria on carbon steel in the system in the future.",

keywords = "A. Carbon steel, B. Polarization, B. Potentiostatic, B. SEM, C. Microbiological corrosion",

author = "Amy Spark and Ivan Cole and David Law and Liam Ward",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd.",

year = "2016",

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doi = "10.1016/j.corsci.2016.04.032",

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T1 - The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system

AU - Spark, Amy

AU - Cole, Ivan

AU - Law, David

AU - Ward, Liam

PY - 2016/9/1

Y1 - 2016/9/1

N2 - A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of bacteria on carbon steel in the system in the future.

AB - A novel system using semi-solid agar with peptide nutrient additions is being developed as a soil analogue for fundamental corrosion studies involving bacteria. Electrochemical studies revealed these nutrients induced an inhibitive effect on the corrosion of carbon steel, hypothesised to be due to activated side chain groups on the peptides. At more anodic potentials variation in the corrosion current suppression was seen with changing nutrient concentration, suggesting concentration dependence of the inhibition process. Knowledge of the electrochemical effect of this system is essential to fully understand the effect of bacteria on carbon steel in the system in the future.

KW - A. Carbon steel

KW - B. Polarization

KW - B. Potentiostatic

KW - B. SEM

KW - C. Microbiological corrosion

UR - https://www.scopus.com/pages/publications/84992302115

U2 - 10.1016/j.corsci.2016.04.032

DO - 10.1016/j.corsci.2016.04.032

M3 - Article

AN - SCOPUS:84992302115

SN - 0010-938X

VL - 110

SP - 174

EP - 181

JO - Corrosion Science

JF - Corrosion Science

ER -

The effect of peptide based nutrients on the corrosion of carbon steel in an agar based system

Abstract

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