Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater

Abstract In this work, flow accelerated corrosion (FAC) and erosion−corrosion of marine carbon steel in natural seawater were electrochemically studied using a submerged impingement jet system. Results show that the formation of a relatively compact rust layer in flowing natural seawater would lead...

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Autores principales:	Yunze Xu, Qiliang Zhang, Qipiao Zhou, Shan Gao, Bin Wang, Xiaona Wang, Yi Huang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/cacf8e94151446c58ac187fe26195fb6
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spelling	oai:doaj.org-article:cacf8e94151446c58ac187fe26195fb62021-11-14T12:07:50ZFlow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater10.1038/s41529-021-00205-12397-2106https://doaj.org/article/cacf8e94151446c58ac187fe26195fb62021-11-01T00:00:00Zhttps://doi.org/10.1038/s41529-021-00205-1https://doaj.org/toc/2397-2106Abstract In this work, flow accelerated corrosion (FAC) and erosion−corrosion of marine carbon steel in natural seawater were electrochemically studied using a submerged impingement jet system. Results show that the formation of a relatively compact rust layer in flowing natural seawater would lead to the FAC pattern change from ‘flow marks’ to pits. The increase of the flow velocity was found to have a negligible influence on the FAC rate at velocities of 5−8 m s−1. The synergy of mechanical erosion and electrochemical corrosion is the main contributor to the total steel loss under erosion−corrosion. The increase of the sand impact energy could induce the pitting damage and accelerate the steel degradation. The accumulation of the rust inside the pits could facilitate the longitudinal growth of the pits, however, the accumulated rusts retard the erosion of the pit bottom. The erosion and corrosion could work together to cause the steel peeling at the pit boundary. The steel degradation would gradually change from corrosion-dominated to erosion-dominated along with the impact energy increasing.Yunze XuQiliang ZhangQipiao ZhouShan GaoBin WangXiaona WangYi HuangNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ENnpj Materials Degradation, Vol 5, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Yunze Xu Qiliang Zhang Qipiao Zhou Shan Gao Bin Wang Xiaona Wang Yi Huang Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
description	Abstract In this work, flow accelerated corrosion (FAC) and erosion−corrosion of marine carbon steel in natural seawater were electrochemically studied using a submerged impingement jet system. Results show that the formation of a relatively compact rust layer in flowing natural seawater would lead to the FAC pattern change from ‘flow marks’ to pits. The increase of the flow velocity was found to have a negligible influence on the FAC rate at velocities of 5−8 m s−1. The synergy of mechanical erosion and electrochemical corrosion is the main contributor to the total steel loss under erosion−corrosion. The increase of the sand impact energy could induce the pitting damage and accelerate the steel degradation. The accumulation of the rust inside the pits could facilitate the longitudinal growth of the pits, however, the accumulated rusts retard the erosion of the pit bottom. The erosion and corrosion could work together to cause the steel peeling at the pit boundary. The steel degradation would gradually change from corrosion-dominated to erosion-dominated along with the impact energy increasing.
format	article
author	Yunze Xu Qiliang Zhang Qipiao Zhou Shan Gao Bin Wang Xiaona Wang Yi Huang
author_facet	Yunze Xu Qiliang Zhang Qipiao Zhou Shan Gao Bin Wang Xiaona Wang Yi Huang
author_sort	Yunze Xu
title	Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
title_short	Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
title_full	Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
title_fullStr	Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
title_full_unstemmed	Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
title_sort	flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/cacf8e94151446c58ac187fe26195fb6
work_keys_str_mv	AT yunzexu flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT qiliangzhang flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT qipiaozhou flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT shangao flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT binwang flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT xiaonawang flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater AT yihuang flowacceleratedcorrosionanderosioncorrosionbehaviorofmarinecarbonsteelinnaturalseawater
_version_	1718429431432740864

Flow accelerated corrosion and erosion−corrosion behavior of marine carbon steel in natural seawater

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