Corrosion behavior of galvanized steel due to typical soil organics

Claudia Soriano; Akram Alfantazi

doi:10.1016/j.conbuildmat.2015.11.009

Corrosion behavior of galvanized steel due to typical soil organics

Claudia Soriano, Akram Alfantazi

Chemical and Petroleum Engineering

The University of British Columbia

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

55 Scopus citations

Abstract

The corrosion behavior of galvanized steel due to organics typically found in soils is addressed in this exploratory study by means of the open circuit potential and the potentiodynamic polarization tests in solutions of humic compounds, carbohydrates, and carboxylic acids. Subsequently, the surface is characterized with Scanning Electron Microscope and Energy Dispersive X-ray Spectroscopy. The data shows that the corrosion effect of organic matter depends on its composition and concentration. Citric acid is the most corrosive organic. Humic acid and oxalic acid produce higher current densities at the lowest concentrations and promote the formation of physical barriers at higher concentrations that reduce exposure to the corrosive environment.

Original language	British English
Pages (from-to)	904-912
Number of pages	9
Journal	Construction and Building Materials
Volume	102
DOIs	https://doi.org/10.1016/j.conbuildmat.2015.11.009
State	Published - 15 Jan 2016

Keywords

Citric acid
Corrosion
Galvanized steel
Humic acid
Oxalic acid
Soil

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10.1016/j.conbuildmat.2015.11.009

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title = "Corrosion behavior of galvanized steel due to typical soil organics",

abstract = "The corrosion behavior of galvanized steel due to organics typically found in soils is addressed in this exploratory study by means of the open circuit potential and the potentiodynamic polarization tests in solutions of humic compounds, carbohydrates, and carboxylic acids. Subsequently, the surface is characterized with Scanning Electron Microscope and Energy Dispersive X-ray Spectroscopy. The data shows that the corrosion effect of organic matter depends on its composition and concentration. Citric acid is the most corrosive organic. Humic acid and oxalic acid produce higher current densities at the lowest concentrations and promote the formation of physical barriers at higher concentrations that reduce exposure to the corrosive environment.",

keywords = "Citric acid, Corrosion, Galvanized steel, Humic acid, Oxalic acid, Soil",

author = "Claudia Soriano and Akram Alfantazi",

note = "Funding Information: The authors would like to express their gratitude to the British Columbia Ministry of Transportation and Atlantic Limited Industries for the financial support provided for this research. Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd.",

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T1 - Corrosion behavior of galvanized steel due to typical soil organics

AU - Soriano, Claudia

AU - Alfantazi, Akram

N1 - Funding Information: The authors would like to express their gratitude to the British Columbia Ministry of Transportation and Atlantic Limited Industries for the financial support provided for this research. Publisher Copyright: © 2015 Elsevier Ltd.

PY - 2016/1/15

Y1 - 2016/1/15

N2 - The corrosion behavior of galvanized steel due to organics typically found in soils is addressed in this exploratory study by means of the open circuit potential and the potentiodynamic polarization tests in solutions of humic compounds, carbohydrates, and carboxylic acids. Subsequently, the surface is characterized with Scanning Electron Microscope and Energy Dispersive X-ray Spectroscopy. The data shows that the corrosion effect of organic matter depends on its composition and concentration. Citric acid is the most corrosive organic. Humic acid and oxalic acid produce higher current densities at the lowest concentrations and promote the formation of physical barriers at higher concentrations that reduce exposure to the corrosive environment.

AB - The corrosion behavior of galvanized steel due to organics typically found in soils is addressed in this exploratory study by means of the open circuit potential and the potentiodynamic polarization tests in solutions of humic compounds, carbohydrates, and carboxylic acids. Subsequently, the surface is characterized with Scanning Electron Microscope and Energy Dispersive X-ray Spectroscopy. The data shows that the corrosion effect of organic matter depends on its composition and concentration. Citric acid is the most corrosive organic. Humic acid and oxalic acid produce higher current densities at the lowest concentrations and promote the formation of physical barriers at higher concentrations that reduce exposure to the corrosive environment.

KW - Citric acid

KW - Corrosion

KW - Galvanized steel

KW - Humic acid

KW - Oxalic acid

KW - Soil

UR - https://www.scopus.com/pages/publications/84947601685

U2 - 10.1016/j.conbuildmat.2015.11.009

DO - 10.1016/j.conbuildmat.2015.11.009

M3 - Article

AN - SCOPUS:84947601685

SN - 0950-0618

VL - 102

SP - 904

EP - 912

JO - Construction and Building Materials

JF - Construction and Building Materials

ER -

Corrosion behavior of galvanized steel due to typical soil organics

Abstract

Keywords

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