External Damage by Corrosion on Steel Gas Pipeline

Under degraded coatings and inadequate cathodic protection (CP) steel gas pipelines exposed to environmentally assisted multiple corrosion. In electrochemical process corrosion, dissolution of the iron is an anodic reaction. The nature of the cathodic process depends on the availability of oxygen an...

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Main Authors: A. Benmoussat, H. Hadjiat, M. Hadjel
Format: Article
Language:English
Published: al-Farabi Kazakh National University 2001-12-01
Series:Eurasian Chemico-Technological Journal
Online Access:http://ect-journal.kz/index.php/ectj/article/view/138
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author A. Benmoussat
H. Hadjiat
M. Hadjel
author_facet A. Benmoussat
H. Hadjiat
M. Hadjel
author_sort A. Benmoussat
collection DOAJ
description Under degraded coatings and inadequate cathodic protection (CP) steel gas pipelines exposed to environmentally assisted multiple corrosion. In electrochemical process corrosion, dissolution of the iron is an anodic reaction. The nature of the cathodic process depends on the availability of oxygen and implies aerobics or anaerobics conditions. The most severe corrosion process is that of microbiologically influenced corrosion. Damage can be a localized corrosion or SCC corrosion (Stress corrosion cracking). Microstructural damage is intergranular type at low stress intensity and implies the interaction of the material with the corrosive environment characterized by the apparition of corrosion microcracks.
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spelling doaj.art-1fbc242d20ad40c18a46ac6a0653b7582022-12-22T01:44:47Zengal-Farabi Kazakh National UniversityEurasian Chemico-Technological Journal1562-39202522-48672001-12-013428528910.18321/ectj581138External Damage by Corrosion on Steel Gas PipelineA. Benmoussat0H. Hadjiat1M. Hadjel2Faculty of Engineering Sciences, Laboratory of Material Sciences, University of Tlemcen, BP 230 chetouan 13000, Tlemcen, AlgeriaFaculty of Engineering Sciences, Laboratory of Material Sciences, University of Tlemcen, BP 230 chetouan 13000, Tlemcen, AlgeriaFaculty of Sciences, Industrial Chemistry Department, University of Sciences and Technology, BP 1505 Oran, 31000, AlgeriaUnder degraded coatings and inadequate cathodic protection (CP) steel gas pipelines exposed to environmentally assisted multiple corrosion. In electrochemical process corrosion, dissolution of the iron is an anodic reaction. The nature of the cathodic process depends on the availability of oxygen and implies aerobics or anaerobics conditions. The most severe corrosion process is that of microbiologically influenced corrosion. Damage can be a localized corrosion or SCC corrosion (Stress corrosion cracking). Microstructural damage is intergranular type at low stress intensity and implies the interaction of the material with the corrosive environment characterized by the apparition of corrosion microcracks.http://ect-journal.kz/index.php/ectj/article/view/138
spellingShingle A. Benmoussat
H. Hadjiat
M. Hadjel
External Damage by Corrosion on Steel Gas Pipeline
Eurasian Chemico-Technological Journal
title External Damage by Corrosion on Steel Gas Pipeline
title_full External Damage by Corrosion on Steel Gas Pipeline
title_fullStr External Damage by Corrosion on Steel Gas Pipeline
title_full_unstemmed External Damage by Corrosion on Steel Gas Pipeline
title_short External Damage by Corrosion on Steel Gas Pipeline
title_sort external damage by corrosion on steel gas pipeline
url http://ect-journal.kz/index.php/ectj/article/view/138
work_keys_str_mv AT abenmoussat externaldamagebycorrosiononsteelgaspipeline
AT hhadjiat externaldamagebycorrosiononsteelgaspipeline
AT mhadjel externaldamagebycorrosiononsteelgaspipeline