Corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy
The corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI (extra low interstitial) was investigated as a function of immersion hours in simulated body fluid (SBF) condition, utilizing potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) techniques. Polarisation experiments wer...
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| Veröffentlicht in: | Electrochimica acta 2006-11, Vol.52 (3), p.839-846 |
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| creator | Tamilselvi, S. Raman, V. Rajendran, N. |
| description | The corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI (extra low interstitial) was investigated as a function of immersion hours in simulated body fluid (SBF) condition, utilizing potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) techniques. Polarisation experiments were conducted after 0, 120, 240 and 360
h of immersion in SBF solution. From the polarisation curves, very low current densities were obtained for Ti–6Al–7Nb alloy compared to Ti–6Al–4V ELI, indicating a formation of stable passive layer. Impedance spectra were represented in the form of Bode plots and it was fitted using a non-linear least square (NLLS) fitting procedure, in which it exhibited a two time constant system suggesting the formation of two layers. The surface morphology of the titanium alloys have been characterized by SEM and EDAX measurements. |
| doi_str_mv | 10.1016/j.electacta.2006.06.018 |
| format | Article |
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h of immersion in SBF solution. From the polarisation curves, very low current densities were obtained for Ti–6Al–7Nb alloy compared to Ti–6Al–4V ELI, indicating a formation of stable passive layer. Impedance spectra were represented in the form of Bode plots and it was fitted using a non-linear least square (NLLS) fitting procedure, in which it exhibited a two time constant system suggesting the formation of two layers. The surface morphology of the titanium alloys have been characterized by SEM and EDAX measurements.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2006.06.018</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Corrosion ; Corrosion mechanisms ; Electrochemical impedance studies ; Exact sciences and technology ; Metals. Metallurgy ; Polarisation ; Simulated body fluid solution ; Titanium alloys</subject><ispartof>Electrochimica acta, 2006-11, Vol.52 (3), p.839-846</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-e9ef9f6392092760891530ea4e41f8af7ebee46a137f6301489076b9bf03681e3</citedby><cites>FETCH-LOGICAL-c376t-e9ef9f6392092760891530ea4e41f8af7ebee46a137f6301489076b9bf03681e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0013468606006888$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18385673$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tamilselvi, S.</creatorcontrib><creatorcontrib>Raman, V.</creatorcontrib><creatorcontrib>Rajendran, N.</creatorcontrib><title>Corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy</title><title>Electrochimica acta</title><description>The corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI (extra low interstitial) was investigated as a function of immersion hours in simulated body fluid (SBF) condition, utilizing potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) techniques. Polarisation experiments were conducted after 0, 120, 240 and 360
h of immersion in SBF solution. From the polarisation curves, very low current densities were obtained for Ti–6Al–7Nb alloy compared to Ti–6Al–4V ELI, indicating a formation of stable passive layer. Impedance spectra were represented in the form of Bode plots and it was fitted using a non-linear least square (NLLS) fitting procedure, in which it exhibited a two time constant system suggesting the formation of two layers. The surface morphology of the titanium alloys have been characterized by SEM and EDAX measurements.</description><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion mechanisms</subject><subject>Electrochemical impedance studies</subject><subject>Exact sciences and technology</subject><subject>Metals. Metallurgy</subject><subject>Polarisation</subject><subject>Simulated body fluid solution</subject><subject>Titanium alloys</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFUcuO0zAUtUYgUQa-AW-GXYodp34sq2qAkSrYzLC1HOdadeXEwU5Gyo5fQPwhX4LbjoDdSFe2ZJ97zj33IPSOkjUllH84riGAnUypdU0IX5-Kyiu0olKwismNeoFWhFBWNVzyV-h1zkdCiOCCrNDPXUwpZh8H3MLBPPo4Jxwdvve_f_zi21BO8aXFZuj-f2q-4dv9HTYhxCVjP-DpADj7fg5mgg63sVuwC7PvcI5hns7sCz7PmaI9QO-tCdj3I3RmsKV1PP9kG8flDXrpTMjw9um-Rg8fb-93n6v91093u-2-skzwqQIFTjnOVE1ULTiRim4YAdNAQ500TkAL0HBDmSgoQhupiuVWtY4wLimwa_T-wjum-H2GPOneZwshmAHinHWtNqQuGyxAcQHaMmFO4PSYfG_SoinRpwj0Uf-NQJ8i0KeisnTePEmYXAy7VMz6_K9dlnD4WWF7wUHx--gh6Ww9lMV0PhVe3UX_rNYfEZelzg</recordid><startdate>20061112</startdate><enddate>20061112</enddate><creator>Tamilselvi, S.</creator><creator>Raman, V.</creator><creator>Rajendran, N.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20061112</creationdate><title>Corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy</title><author>Tamilselvi, S. ; Raman, V. ; Rajendran, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-e9ef9f6392092760891530ea4e41f8af7ebee46a137f6301489076b9bf03681e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion mechanisms</topic><topic>Electrochemical impedance studies</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><topic>Polarisation</topic><topic>Simulated body fluid solution</topic><topic>Titanium alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tamilselvi, S.</creatorcontrib><creatorcontrib>Raman, V.</creatorcontrib><creatorcontrib>Rajendran, N.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tamilselvi, S.</au><au>Raman, V.</au><au>Rajendran, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy</atitle><jtitle>Electrochimica acta</jtitle><date>2006-11-12</date><risdate>2006</risdate><volume>52</volume><issue>3</issue><spage>839</spage><epage>846</epage><pages>839-846</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>The corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI (extra low interstitial) was investigated as a function of immersion hours in simulated body fluid (SBF) condition, utilizing potentiodynamic polarisation and electrochemical impedance spectroscopy (EIS) techniques. Polarisation experiments were conducted after 0, 120, 240 and 360
h of immersion in SBF solution. From the polarisation curves, very low current densities were obtained for Ti–6Al–7Nb alloy compared to Ti–6Al–4V ELI, indicating a formation of stable passive layer. Impedance spectra were represented in the form of Bode plots and it was fitted using a non-linear least square (NLLS) fitting procedure, in which it exhibited a two time constant system suggesting the formation of two layers. The surface morphology of the titanium alloys have been characterized by SEM and EDAX measurements.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2006.06.018</doi><tpages>8</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Corrosion Corrosion mechanisms Electrochemical impedance studies Exact sciences and technology Metals. Metallurgy Polarisation Simulated body fluid solution Titanium alloys |
| title | Corrosion behaviour of Ti–6Al–7Nb and Ti–6Al–4V ELI alloys in the simulated body fluid solution by electrochemical impedance spectroscopy |
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