Dissolution of Ti wires in sulphuric acid and hydrochloric acid solutions
Ti wire electrodes were immersed in acidic solutions containing H 2SO 4 and HCl of various concentrations at 353 K to evaluate corrosion rate by measurement of electric resistance change (resistometry). Addition of hydrochloric acid to sulphuric acid solution promoted depassivation of Ti. After depa...
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Veröffentlicht in: | Corrosion science 2007-02, Vol.49 (2), p.469-480 |
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creator | Azumi, Kazuhisa Nakajima, Miho Okamoto, Kosuke Seo, Masahiro |
description | Ti wire electrodes were immersed in acidic solutions containing H
2SO
4 and HCl of various concentrations at 353
K to evaluate corrosion rate by measurement of electric resistance change (resistometry). Addition of hydrochloric acid to sulphuric acid solution promoted depassivation of Ti. After depassivation, the immersion potential dropped to the hydrogen evolution potential and a hydride layer was formed on the surface. The hydride layer dissolved continuously in the acidic solution. SEM observation showed that Ti wires dissolved almost uniformly in the early stage and that the dissolution then trace became irregular due to nonuniform growth of the hydride layer. Dissolution rate of a Ti wire was estimated almost accurately by resistometry. |
doi_str_mv | 10.1016/j.corsci.2006.04.017 |
format | Article |
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2SO
4 and HCl of various concentrations at 353
K to evaluate corrosion rate by measurement of electric resistance change (resistometry). Addition of hydrochloric acid to sulphuric acid solution promoted depassivation of Ti. After depassivation, the immersion potential dropped to the hydrogen evolution potential and a hydride layer was formed on the surface. The hydride layer dissolved continuously in the acidic solution. SEM observation showed that Ti wires dissolved almost uniformly in the early stage and that the dissolution then trace became irregular due to nonuniform growth of the hydride layer. Dissolution rate of a Ti wire was estimated almost accurately by resistometry.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2006.04.017</identifier><identifier>CODEN: CRRSAA</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>A. Titanium ; Applied sciences ; B. SEM ; C. Hydrogen absorption ; C. Passivity ; Corrosion ; Corrosion environments ; Exact sciences and technology ; Metals. Metallurgy</subject><ispartof>Corrosion science, 2007-02, Vol.49 (2), p.469-480</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-a0e7369468110ec9c077ba2bce5a908924eb5fff5cf831b75b73178533853e263</citedby><cites>FETCH-LOGICAL-c367t-a0e7369468110ec9c077ba2bce5a908924eb5fff5cf831b75b73178533853e263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.corsci.2006.04.017$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18489232$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Azumi, Kazuhisa</creatorcontrib><creatorcontrib>Nakajima, Miho</creatorcontrib><creatorcontrib>Okamoto, Kosuke</creatorcontrib><creatorcontrib>Seo, Masahiro</creatorcontrib><title>Dissolution of Ti wires in sulphuric acid and hydrochloric acid solutions</title><title>Corrosion science</title><description>Ti wire electrodes were immersed in acidic solutions containing H
2SO
4 and HCl of various concentrations at 353
K to evaluate corrosion rate by measurement of electric resistance change (resistometry). Addition of hydrochloric acid to sulphuric acid solution promoted depassivation of Ti. After depassivation, the immersion potential dropped to the hydrogen evolution potential and a hydride layer was formed on the surface. The hydride layer dissolved continuously in the acidic solution. SEM observation showed that Ti wires dissolved almost uniformly in the early stage and that the dissolution then trace became irregular due to nonuniform growth of the hydride layer. Dissolution rate of a Ti wire was estimated almost accurately by resistometry.</description><subject>A. Titanium</subject><subject>Applied sciences</subject><subject>B. SEM</subject><subject>C. Hydrogen absorption</subject><subject>C. Passivity</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Exact sciences and technology</subject><subject>Metals. Metallurgy</subject><issn>0010-938X</issn><issn>1879-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxYMoWKvfwEMuett1kuxuNhdB6l8oeKngLWSzCU3Zbmqyq_Tbm9KqNw_DwPDem5kfQpcEcgKkulnl2oeoXU4BqhyKHAg_QhNSc5FBIapjNAEgkAlWv5-isxhXAEDTZIJe7l2MvhsH53vsLV44_OWCidj1OI7dZjkGp7HSrsWqb_Fy2wavl53_nf6Y4zk6saqL5uLQp-jt8WExe87mr08vs7t5plnFh0yB4awSRVUTAkYLDZw3ijbalEpALWhhmtJaW2pbM9LwsuGM8LpkLJWhFZui633uJviP0cRBrl3UputUb_wYJRWUMspYEhZ7oQ4-xmCs3AS3VmErCcgdN7mSe25yx01CIRO3ZLs65KuoVWeD6rWLf966SEemBVN0u9eZ9OynM0GmJNNr0yZ-epCtd_8v-gbRJIU-</recordid><startdate>20070201</startdate><enddate>20070201</enddate><creator>Azumi, Kazuhisa</creator><creator>Nakajima, Miho</creator><creator>Okamoto, Kosuke</creator><creator>Seo, Masahiro</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><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>20070201</creationdate><title>Dissolution of Ti wires in sulphuric acid and hydrochloric acid solutions</title><author>Azumi, Kazuhisa ; Nakajima, Miho ; Okamoto, Kosuke ; Seo, Masahiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-a0e7369468110ec9c077ba2bce5a908924eb5fff5cf831b75b73178533853e263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>A. Titanium</topic><topic>Applied sciences</topic><topic>B. SEM</topic><topic>C. Hydrogen absorption</topic><topic>C. Passivity</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Azumi, Kazuhisa</creatorcontrib><creatorcontrib>Nakajima, Miho</creatorcontrib><creatorcontrib>Okamoto, Kosuke</creatorcontrib><creatorcontrib>Seo, Masahiro</creatorcontrib><collection>Pascal-Francis</collection><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>Azumi, Kazuhisa</au><au>Nakajima, Miho</au><au>Okamoto, Kosuke</au><au>Seo, Masahiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dissolution of Ti wires in sulphuric acid and hydrochloric acid solutions</atitle><jtitle>Corrosion science</jtitle><date>2007-02-01</date><risdate>2007</risdate><volume>49</volume><issue>2</issue><spage>469</spage><epage>480</epage><pages>469-480</pages><issn>0010-938X</issn><eissn>1879-0496</eissn><coden>CRRSAA</coden><abstract>Ti wire electrodes were immersed in acidic solutions containing H
2SO
4 and HCl of various concentrations at 353
K to evaluate corrosion rate by measurement of electric resistance change (resistometry). Addition of hydrochloric acid to sulphuric acid solution promoted depassivation of Ti. After depassivation, the immersion potential dropped to the hydrogen evolution potential and a hydride layer was formed on the surface. The hydride layer dissolved continuously in the acidic solution. SEM observation showed that Ti wires dissolved almost uniformly in the early stage and that the dissolution then trace became irregular due to nonuniform growth of the hydride layer. Dissolution rate of a Ti wire was estimated almost accurately by resistometry.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2006.04.017</doi><tpages>12</tpages></addata></record> |
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source | ScienceDirect Freedom Collection (Elsevier) |
subjects | A. Titanium Applied sciences B. SEM C. Hydrogen absorption C. Passivity Corrosion Corrosion environments Exact sciences and technology Metals. Metallurgy |
title | Dissolution of Ti wires in sulphuric acid and hydrochloric acid solutions |
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