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Determination of thickness and air-void distribution within the iron carbonate layers using X-ray computed tomography

Lookup NU author(s): Dr Sadegh Nadimi

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

Iron carbonate (FeCO3) is a common corrosion product reported in oil and gas fields. The growth kinetics and the presence of connected voids within this layer have a significant influence on the protective capability afforded to the steel surface. X-ray micro-computed tomography (µCT) was used in conjunction with novel algorithms to determine the thickness and air-void distribution within the crystalline FeCO3 layer. Then the relationship between the air-void distribution and corrosion behaviour was analysed. Mercury intrusion porosimetry (MIP) was used to validate the µCT results. The advantages and limitations of both methods for the pore characterisation were discussed.


Publication metadata

Author(s): Wang C, Hua Y, Nadimi S, Taleb W, Barker R, Li Y, Chen X, Neville A

Publication type: Article

Publication status: Published

Journal: Corrosion Science

Year: 2021

Volume: 179

Print publication date: 01/02/2021

Online publication date: 24/11/2020

Acceptance date: 20/11/2020

Date deposited: 21/11/2020

ISSN (print): 0010-938X

ISSN (electronic): 1879-0496

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.corsci.2020.109153

DOI: 10.1016/j.corsci.2020.109153


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