Passivation of titanium in molybdate-containing sulphuric acid solution
The effect of molybdate ions on the passivation reaction of commercial pure (CP) Ti in sulphuric acid solution was studied by conducting an immersion test, measuring dc polarization curves and electrochemical impedance spectroscopy (EIS). It is found that the addition of molybdate in boiling sulphur...
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| Veröffentlicht in: | Electrochimica acta 1991, Vol.36 (14), p.2069-2076 |
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| container_title | Electrochimica acta |
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| creator | Cheng, Tzyy-Ping Lee, Ju-Tung Tsai, Wen-Ta |
| description | The effect of molybdate ions on the passivation reaction of commercial pure (CP) Ti in sulphuric acid solution was studied by conducting an immersion test, measuring
dc polarization curves and electrochemical impedance spectroscopy (EIS). It is found that the addition of molybdate in boiling sulphuric acid with concentrations higher than 10
−3 M could greatly reduce the corrosion rate to a negligible value.
dc Polarization curves showed that the passivation behaviour was strongly affected by the solution temperature as well as the concentration of molybdate ion present in the sulphuric acid. The passive film resistance (
R
pf) determined by EIS was found to increase with the externally applied anodic potential and/or with the molybdate ion concentration. The increase of
R
pf is mainly attributed to the thickening process of oxide film at more noble potentials. |
| doi_str_mv | 10.1016/0013-4686(91)85211-O |
| format | Article |
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dc polarization curves and electrochemical impedance spectroscopy (EIS). It is found that the addition of molybdate in boiling sulphuric acid with concentrations higher than 10
−3 M could greatly reduce the corrosion rate to a negligible value.
dc Polarization curves showed that the passivation behaviour was strongly affected by the solution temperature as well as the concentration of molybdate ion present in the sulphuric acid. The passive film resistance (
R
pf) determined by EIS was found to increase with the externally applied anodic potential and/or with the molybdate ion concentration. The increase of
R
pf is mainly attributed to the thickening process of oxide film at more noble potentials.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/0013-4686(91)85211-O</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Corrosion ; Corrosion mechanisms ; Exact sciences and technology ; Metals. Metallurgy ; molybdate ions ; passivation ; sulphuric acid ; titanium</subject><ispartof>Electrochimica acta, 1991, Vol.36 (14), p.2069-2076</ispartof><rights>1991</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c279t-dd002a1e45770862011662802df00b14905e2d4ad8ecaaffaade15aa08e927d93</citedby><cites>FETCH-LOGICAL-c279t-dd002a1e45770862011662802df00b14905e2d4ad8ecaaffaade15aa08e927d93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/001346869185211O$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5139688$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cheng, Tzyy-Ping</creatorcontrib><creatorcontrib>Lee, Ju-Tung</creatorcontrib><creatorcontrib>Tsai, Wen-Ta</creatorcontrib><title>Passivation of titanium in molybdate-containing sulphuric acid solution</title><title>Electrochimica acta</title><description>The effect of molybdate ions on the passivation reaction of commercial pure (CP) Ti in sulphuric acid solution was studied by conducting an immersion test, measuring
dc polarization curves and electrochemical impedance spectroscopy (EIS). It is found that the addition of molybdate in boiling sulphuric acid with concentrations higher than 10
−3 M could greatly reduce the corrosion rate to a negligible value.
dc Polarization curves showed that the passivation behaviour was strongly affected by the solution temperature as well as the concentration of molybdate ion present in the sulphuric acid. The passive film resistance (
R
pf) determined by EIS was found to increase with the externally applied anodic potential and/or with the molybdate ion concentration. The increase of
R
pf is mainly attributed to the thickening process of oxide film at more noble potentials.</description><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion mechanisms</subject><subject>Exact sciences and technology</subject><subject>Metals. Metallurgy</subject><subject>molybdate ions</subject><subject>passivation</subject><subject>sulphuric acid</subject><subject>titanium</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEURYMoWKv_wMUsRHQx-l7mK9kIUrQKQl3oOrwmGY1Mk5rMCP33Tq24dPU2597LO4ydIlwhYH0NgEVe1qK-kHgpKo6YL_bYBEVT5IWo5D6b_CGH7CilDwBo6gYmbP5MKbkv6l3wWWiz3vXk3bDKnM9WodssDfU218H35Lzzb1kauvX7EJ3OSDuTpdAN2-wxO2ipS_bk907Z6_3dy-whf1rMH2e3T7nmjexzYwA4oS2rpgFRc0Csay6AmxZgiaWEynJTkhFWE7UtkbFYEYGwkjdGFlN2vutdx_A52NSrlUvadh15G4akeFUIyZGPYLkDdQwpRduqdXQrihuFoLbW1FaJ2ipREtWPNbUYY2e__ZQ0dW0kr136y1ZYyFqIEbvZYXb89cvZqJJ21mtrXLS6Vya4_3e-AS83gWU</recordid><startdate>1991</startdate><enddate>1991</enddate><creator>Cheng, Tzyy-Ping</creator><creator>Lee, Ju-Tung</creator><creator>Tsai, Wen-Ta</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>1991</creationdate><title>Passivation of titanium in molybdate-containing sulphuric acid solution</title><author>Cheng, Tzyy-Ping ; Lee, Ju-Tung ; Tsai, Wen-Ta</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c279t-dd002a1e45770862011662802df00b14905e2d4ad8ecaaffaade15aa08e927d93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion mechanisms</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><topic>molybdate ions</topic><topic>passivation</topic><topic>sulphuric acid</topic><topic>titanium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Tzyy-Ping</creatorcontrib><creatorcontrib>Lee, Ju-Tung</creatorcontrib><creatorcontrib>Tsai, Wen-Ta</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, Tzyy-Ping</au><au>Lee, Ju-Tung</au><au>Tsai, Wen-Ta</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Passivation of titanium in molybdate-containing sulphuric acid solution</atitle><jtitle>Electrochimica acta</jtitle><date>1991</date><risdate>1991</risdate><volume>36</volume><issue>14</issue><spage>2069</spage><epage>2076</epage><pages>2069-2076</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>The effect of molybdate ions on the passivation reaction of commercial pure (CP) Ti in sulphuric acid solution was studied by conducting an immersion test, measuring
dc polarization curves and electrochemical impedance spectroscopy (EIS). It is found that the addition of molybdate in boiling sulphuric acid with concentrations higher than 10
−3 M could greatly reduce the corrosion rate to a negligible value.
dc Polarization curves showed that the passivation behaviour was strongly affected by the solution temperature as well as the concentration of molybdate ion present in the sulphuric acid. The passive film resistance (
R
pf) determined by EIS was found to increase with the externally applied anodic potential and/or with the molybdate ion concentration. The increase of
R
pf is mainly attributed to the thickening process of oxide film at more noble potentials.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/0013-4686(91)85211-O</doi><tpages>8</tpages></addata></record> |
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| ispartof | Electrochimica acta, 1991, Vol.36 (14), p.2069-2076 |
| issn | 0013-4686 1873-3859 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25389212 |
| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Corrosion Corrosion mechanisms Exact sciences and technology Metals. Metallurgy molybdate ions passivation sulphuric acid titanium |
| title | Passivation of titanium in molybdate-containing sulphuric acid solution |
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