Intergranular erosion corrosion of pure copper tube in flowing NaCl solution
We investigated the erosion corrosion behavior of a commercial copper tube in 1 wt% NaCl solution using a self-built loop apparatus, and revealed effects of flow velocity on corrosion layer evolution that explains the flow velocity dependent corrosion rate of copper tubes in application. Furthermore...
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Published in: | Corrosion science 2022-06, Vol.201, p.110304, Article 110304 |
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description | We investigated the erosion corrosion behavior of a commercial copper tube in 1 wt% NaCl solution using a self-built loop apparatus, and revealed effects of flow velocity on corrosion layer evolution that explains the flow velocity dependent corrosion rate of copper tubes in application. Furthermore, the intergranular erosion corrosion forms the detached and partially oxidized copper grains with nut structure. From core to shell, the compositions are supposed to be copper, copper-based oxygen solid solution, Cu2O with oxygen vacancies, Cu2O, and Cu2O with copper vacancies. These findings provide deepened understanding of erosion corrosion behavior of copper and copper alloys.
[Display omitted]
•Two critical velocities exist corresponding to stripping of outer and inner layers.•The layer of oxidized copper grains instead of a continuous Cu2O film is observed.•A nut structure with a copper core and a cuprous oxide shell is observed.•Intergranular erosion corrosion mechanism is proposed for copper in flowing media. |
doi_str_mv | 10.1016/j.corsci.2022.110304 |
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[Display omitted]
•Two critical velocities exist corresponding to stripping of outer and inner layers.•The layer of oxidized copper grains instead of a continuous Cu2O film is observed.•A nut structure with a copper core and a cuprous oxide shell is observed.•Intergranular erosion corrosion mechanism is proposed for copper in flowing media.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2022.110304</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Copper ; Copper base alloys ; Copper oxides ; Corrosion ; Corrosion effects ; Corrosion rate ; EPMA ; Erosion ; Erosion-corrosion ; Flow velocity ; Intergranular corrosion ; Oxygen ; Sodium chloride ; Solid solutions ; Tubes ; Vacancies ; XPS</subject><ispartof>Corrosion science, 2022-06, Vol.201, p.110304, Article 110304</ispartof><rights>2022 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jun 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-422794053005cf81a221d851180e2d6daeec889d1717d7db51589cccbf4827273</citedby><cites>FETCH-LOGICAL-c264t-422794053005cf81a221d851180e2d6daeec889d1717d7db51589cccbf4827273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wu, Lei</creatorcontrib><creatorcontrib>Ma, Aili</creatorcontrib><creatorcontrib>Zhang, Lianmin</creatorcontrib><creatorcontrib>Zheng, Yugui</creatorcontrib><title>Intergranular erosion corrosion of pure copper tube in flowing NaCl solution</title><title>Corrosion science</title><description>We investigated the erosion corrosion behavior of a commercial copper tube in 1 wt% NaCl solution using a self-built loop apparatus, and revealed effects of flow velocity on corrosion layer evolution that explains the flow velocity dependent corrosion rate of copper tubes in application. Furthermore, the intergranular erosion corrosion forms the detached and partially oxidized copper grains with nut structure. From core to shell, the compositions are supposed to be copper, copper-based oxygen solid solution, Cu2O with oxygen vacancies, Cu2O, and Cu2O with copper vacancies. These findings provide deepened understanding of erosion corrosion behavior of copper and copper alloys.
[Display omitted]
•Two critical velocities exist corresponding to stripping of outer and inner layers.•The layer of oxidized copper grains instead of a continuous Cu2O film is observed.•A nut structure with a copper core and a cuprous oxide shell is observed.•Intergranular erosion corrosion mechanism is proposed for copper in flowing media.</description><subject>Copper</subject><subject>Copper base alloys</subject><subject>Copper oxides</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion rate</subject><subject>EPMA</subject><subject>Erosion</subject><subject>Erosion-corrosion</subject><subject>Flow velocity</subject><subject>Intergranular corrosion</subject><subject>Oxygen</subject><subject>Sodium chloride</subject><subject>Solid solutions</subject><subject>Tubes</subject><subject>Vacancies</subject><subject>XPS</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAQxYMouK5-Aw8Bz11n0jZNL4Is_llY9KLgLXTT6ZJSm5q0it_eLN2zpxmG997wfoxdI6wQUN62K-N8MHYlQIgVIqSQnbAFqqJMICvlKVsAICRlqj7O2UUILQCIeFmw7aYfye991U9d5Tl5F6zrecw7bq7hw-QpXoaBPB-nHXHb86ZzP7bf85dq3fHgummM4kt21lRdoKvjXLL3x4e39XOyfX3arO-3iREyG5NMiKLMIE8BctMorITAWuWICkjUsq6IjFJljQUWdVHvcsxVaYzZNZkShSjSJbuZcwfvviYKo27d5Pv4UgspZSkFSoiqbFaZWCV4avTg7WflfzWCPnDTrZ656QM3PXOLtrvZRrHBtyWvo4J6Q7X1ZEZdO_t_wB_oMXeT</recordid><startdate>202206</startdate><enddate>202206</enddate><creator>Wu, Lei</creator><creator>Ma, Aili</creator><creator>Zhang, Lianmin</creator><creator>Zheng, Yugui</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>202206</creationdate><title>Intergranular erosion corrosion of pure copper tube in flowing NaCl solution</title><author>Wu, Lei ; Ma, Aili ; Zhang, Lianmin ; Zheng, Yugui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-422794053005cf81a221d851180e2d6daeec889d1717d7db51589cccbf4827273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Copper</topic><topic>Copper base alloys</topic><topic>Copper oxides</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion rate</topic><topic>EPMA</topic><topic>Erosion</topic><topic>Erosion-corrosion</topic><topic>Flow velocity</topic><topic>Intergranular corrosion</topic><topic>Oxygen</topic><topic>Sodium chloride</topic><topic>Solid solutions</topic><topic>Tubes</topic><topic>Vacancies</topic><topic>XPS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Lei</creatorcontrib><creatorcontrib>Ma, Aili</creatorcontrib><creatorcontrib>Zhang, Lianmin</creatorcontrib><creatorcontrib>Zheng, Yugui</creatorcontrib><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Corrosion science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Lei</au><au>Ma, Aili</au><au>Zhang, Lianmin</au><au>Zheng, Yugui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intergranular erosion corrosion of pure copper tube in flowing NaCl solution</atitle><jtitle>Corrosion science</jtitle><date>2022-06</date><risdate>2022</risdate><volume>201</volume><spage>110304</spage><pages>110304-</pages><artnum>110304</artnum><issn>0010-938X</issn><eissn>1879-0496</eissn><abstract>We investigated the erosion corrosion behavior of a commercial copper tube in 1 wt% NaCl solution using a self-built loop apparatus, and revealed effects of flow velocity on corrosion layer evolution that explains the flow velocity dependent corrosion rate of copper tubes in application. Furthermore, the intergranular erosion corrosion forms the detached and partially oxidized copper grains with nut structure. From core to shell, the compositions are supposed to be copper, copper-based oxygen solid solution, Cu2O with oxygen vacancies, Cu2O, and Cu2O with copper vacancies. These findings provide deepened understanding of erosion corrosion behavior of copper and copper alloys.
[Display omitted]
•Two critical velocities exist corresponding to stripping of outer and inner layers.•The layer of oxidized copper grains instead of a continuous Cu2O film is observed.•A nut structure with a copper core and a cuprous oxide shell is observed.•Intergranular erosion corrosion mechanism is proposed for copper in flowing media.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2022.110304</doi></addata></record> |
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subjects | Copper Copper base alloys Copper oxides Corrosion Corrosion effects Corrosion rate EPMA Erosion Erosion-corrosion Flow velocity Intergranular corrosion Oxygen Sodium chloride Solid solutions Tubes Vacancies XPS |
title | Intergranular erosion corrosion of pure copper tube in flowing NaCl solution |
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