Corrosion Behavior and Mechanism of a Cu-Ni Alloy in Marine Environment
The microbiological influenced corrosion (MIC) behavior of a marine pipeline Cu-Ni alloy in the sterile seawater and sulfate-reducing bacteria (SRB) solution was investigated. Results show that severe pitting corrosion appeared on the specimens in the SRB solution. The corrosion potential of specime...
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| Veröffentlicht in: | Key engineering materials 2008-01, Vol.385-387, p.385-388 |
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| creator | Li, Chun Hui Li, Qing Fen Qiao, Ying Jie |
| description | The microbiological influenced corrosion (MIC) behavior of a marine pipeline Cu-Ni
alloy in the sterile seawater and sulfate-reducing bacteria (SRB) solution was investigated. Results
show that severe pitting corrosion appeared on the specimens in the SRB solution. The corrosion
potential of specimen in the SRB solution was much lower than that in the sterile seawater and the
polarization resistance of specimen in the SRB solution decreased quickly after a period immersion
and became much lower than that in the sterile seawater. Besides, the results of EDS and XRD
show that the content of element Ni and Fe of the Cu-Ni alloy decreased greatly and the high
content of element S appeared after 30 days immersion in the SRB solution. It was concluded that
the SRB accelerated the corrosion process of the Cu-Ni alloy greatly. The MIC mechanism of the
alloy in marine environment is discussed. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.385-387.385 |
| format | Article |
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alloy in the sterile seawater and sulfate-reducing bacteria (SRB) solution was investigated. Results
show that severe pitting corrosion appeared on the specimens in the SRB solution. The corrosion
potential of specimen in the SRB solution was much lower than that in the sterile seawater and the
polarization resistance of specimen in the SRB solution decreased quickly after a period immersion
and became much lower than that in the sterile seawater. Besides, the results of EDS and XRD
show that the content of element Ni and Fe of the Cu-Ni alloy decreased greatly and the high
content of element S appeared after 30 days immersion in the SRB solution. It was concluded that
the SRB accelerated the corrosion process of the Cu-Ni alloy greatly. The MIC mechanism of the
alloy in marine environment is discussed.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.385-387.385</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2008-01, Vol.385-387, p.385-388</ispartof><rights>2008 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c347t-37c31e6c2cd32b60f984f88a9e5e31b6593b28f6f098b7732bf3820b1071c94d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/749?width=600</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Li, Chun Hui</creatorcontrib><creatorcontrib>Li, Qing Fen</creatorcontrib><creatorcontrib>Qiao, Ying Jie</creatorcontrib><title>Corrosion Behavior and Mechanism of a Cu-Ni Alloy in Marine Environment</title><title>Key engineering materials</title><description>The microbiological influenced corrosion (MIC) behavior of a marine pipeline Cu-Ni
alloy in the sterile seawater and sulfate-reducing bacteria (SRB) solution was investigated. Results
show that severe pitting corrosion appeared on the specimens in the SRB solution. The corrosion
potential of specimen in the SRB solution was much lower than that in the sterile seawater and the
polarization resistance of specimen in the SRB solution decreased quickly after a period immersion
and became much lower than that in the sterile seawater. Besides, the results of EDS and XRD
show that the content of element Ni and Fe of the Cu-Ni alloy decreased greatly and the high
content of element S appeared after 30 days immersion in the SRB solution. It was concluded that
the SRB accelerated the corrosion process of the Cu-Ni alloy greatly. The MIC mechanism of the
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alloy in the sterile seawater and sulfate-reducing bacteria (SRB) solution was investigated. Results
show that severe pitting corrosion appeared on the specimens in the SRB solution. The corrosion
potential of specimen in the SRB solution was much lower than that in the sterile seawater and the
polarization resistance of specimen in the SRB solution decreased quickly after a period immersion
and became much lower than that in the sterile seawater. Besides, the results of EDS and XRD
show that the content of element Ni and Fe of the Cu-Ni alloy decreased greatly and the high
content of element S appeared after 30 days immersion in the SRB solution. It was concluded that
the SRB accelerated the corrosion process of the Cu-Ni alloy greatly. The MIC mechanism of the
alloy in marine environment is discussed.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.385-387.385</doi><tpages>4</tpages></addata></record> |
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| title | Corrosion Behavior and Mechanism of a Cu-Ni Alloy in Marine Environment |
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