Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating system
Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating (TBC) system was investigated. The impedance spectrum of the TBC system included impedance of the yttria stabilized zirconia (YSZ) grains, YSZ grain boundaries (negligible), the thermally...
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| Veröffentlicht in: | Surface & coatings technology 2010-04, Vol.204 (15), p.2504-2509 |
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| creator | Tanno, Masatoshi Ogawa, Kazuhiro Shoji, Tetsuo |
| description | Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating (TBC) system was investigated. The impedance spectrum of the TBC system included impedance of the yttria stabilized zirconia (YSZ) grains, YSZ grain boundaries (negligible), the thermally grown oxide (TGO) and the electrode reaction. In the TBC system with a continuous TGO layer, the impedance of the YSZ grain was measured without influence of asymmetric electrode geometry above 100
kHz. In a frequency range below 100
kHz, asymmetric electrode geometry induced the spread of an electrical conduction region outside an electrode attached on the top coating surface. The impedance of the TGO and the electrode reaction was significantly affected by the asymmetric electrode geometry. The precise interpretation of an impedance spectrum of TBC systems measured under the condition of asymmetric electrode geometry requires further studies on the spread of an electrical conduction region due to decrease in frequency, increase in asymmetry of electrode geometry. |
| doi_str_mv | 10.1016/j.surfcoat.2010.01.030 |
| format | Article |
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kHz. In a frequency range below 100
kHz, asymmetric electrode geometry induced the spread of an electrical conduction region outside an electrode attached on the top coating surface. The impedance of the TGO and the electrode reaction was significantly affected by the asymmetric electrode geometry. The precise interpretation of an impedance spectrum of TBC systems measured under the condition of asymmetric electrode geometry requires further studies on the spread of an electrical conduction region due to decrease in frequency, increase in asymmetry of electrode geometry.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2010.01.030</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Asymmetric electrode geometry ; Asymmetry ; Coatings ; Cross-disciplinary physics: materials science; rheology ; Electrical conduction ; Electrodes ; Exact sciences and technology ; Impedance ; Impedance spectroscopy ; Materials science ; Metals. Metallurgy ; Non-destructive evaluation (NDE) ; Nonmetallic coatings ; Physics ; Porosity ; Production techniques ; Spreads ; Surface treatment ; Surface treatments ; Thermal barrier coating (TBC) ; Thermal barrier coatings ; Thermally grown oxide (TGO) ; Yttria stabilized zirconia</subject><ispartof>Surface & coatings technology, 2010-04, Vol.204 (15), p.2504-2509</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c440t-8fdeaae61570360760b3ead7773cb770e83f9bab93aa1fe1b19042fe1731acb43</citedby><cites>FETCH-LOGICAL-c440t-8fdeaae61570360760b3ead7773cb770e83f9bab93aa1fe1b19042fe1731acb43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.surfcoat.2010.01.030$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22566566$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tanno, Masatoshi</creatorcontrib><creatorcontrib>Ogawa, Kazuhiro</creatorcontrib><creatorcontrib>Shoji, Tetsuo</creatorcontrib><title>Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating system</title><title>Surface & coatings technology</title><description>Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating (TBC) system was investigated. The impedance spectrum of the TBC system included impedance of the yttria stabilized zirconia (YSZ) grains, YSZ grain boundaries (negligible), the thermally grown oxide (TGO) and the electrode reaction. In the TBC system with a continuous TGO layer, the impedance of the YSZ grain was measured without influence of asymmetric electrode geometry above 100
kHz. In a frequency range below 100
kHz, asymmetric electrode geometry induced the spread of an electrical conduction region outside an electrode attached on the top coating surface. The impedance of the TGO and the electrode reaction was significantly affected by the asymmetric electrode geometry. The precise interpretation of an impedance spectrum of TBC systems measured under the condition of asymmetric electrode geometry requires further studies on the spread of an electrical conduction region due to decrease in frequency, increase in asymmetry of electrode geometry.</description><subject>Applied sciences</subject><subject>Asymmetric electrode geometry</subject><subject>Asymmetry</subject><subject>Coatings</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Electrical conduction</subject><subject>Electrodes</subject><subject>Exact sciences and technology</subject><subject>Impedance</subject><subject>Impedance spectroscopy</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Non-destructive evaluation (NDE)</subject><subject>Nonmetallic coatings</subject><subject>Physics</subject><subject>Porosity</subject><subject>Production techniques</subject><subject>Spreads</subject><subject>Surface treatment</subject><subject>Surface treatments</subject><subject>Thermal barrier coating (TBC)</subject><subject>Thermal barrier coatings</subject><subject>Thermally grown oxide (TGO)</subject><subject>Yttria stabilized zirconia</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkEGL1TAQx4Mo-Fz9CpKLeOrbSdOXtDdlcXVhwYuewzSdrHk0TU3ahX57U9_qdSGQMPz-mZkfY-8FHAUIdX0-5jU5G3E51lCKII4g4QU7iFZ3lZSNfskOUJ901Xa6fs3e5HwGAKG75sAe7yY3rjRZ4tFxzFsItCRvOY1klxQH4g8U99rG48Rx4j7MNOAeyPOOrOFvks8j5oBVnhNuNPDlF6WAI-8xJU-J7_P56YHnLS8U3rJXDsdM757uK_bz9suPm2_V_fevdzef7yvbNLBUrRsIkZQ4aZAKtIJeEg5aa2l7rYFa6boe-04iCkeiFx00dXloKdD2jbxiHy__zin-XikvJvhsaRxxorhmo09SS9W0qpDqQtoUc07kzJx8wLQZAWb3bM7mn2ezezYgTPFcgh-eWmC2OLpU3Pj8P13XJ6XKKdynC0dl38eixGTrd_GDT8WjGaJ_rtUfz8GaPg</recordid><startdate>20100425</startdate><enddate>20100425</enddate><creator>Tanno, Masatoshi</creator><creator>Ogawa, Kazuhiro</creator><creator>Shoji, Tetsuo</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100425</creationdate><title>Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating system</title><author>Tanno, Masatoshi ; Ogawa, Kazuhiro ; Shoji, Tetsuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c440t-8fdeaae61570360760b3ead7773cb770e83f9bab93aa1fe1b19042fe1731acb43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Asymmetric electrode geometry</topic><topic>Asymmetry</topic><topic>Coatings</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Electrical conduction</topic><topic>Electrodes</topic><topic>Exact sciences and technology</topic><topic>Impedance</topic><topic>Impedance spectroscopy</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Non-destructive evaluation (NDE)</topic><topic>Nonmetallic coatings</topic><topic>Physics</topic><topic>Porosity</topic><topic>Production techniques</topic><topic>Spreads</topic><topic>Surface treatment</topic><topic>Surface treatments</topic><topic>Thermal barrier coating (TBC)</topic><topic>Thermal barrier coatings</topic><topic>Thermally grown oxide (TGO)</topic><topic>Yttria stabilized zirconia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanno, Masatoshi</creatorcontrib><creatorcontrib>Ogawa, Kazuhiro</creatorcontrib><creatorcontrib>Shoji, Tetsuo</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanno, Masatoshi</au><au>Ogawa, Kazuhiro</au><au>Shoji, Tetsuo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating system</atitle><jtitle>Surface & coatings technology</jtitle><date>2010-04-25</date><risdate>2010</risdate><volume>204</volume><issue>15</issue><spage>2504</spage><epage>2509</epage><pages>2504-2509</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating (TBC) system was investigated. The impedance spectrum of the TBC system included impedance of the yttria stabilized zirconia (YSZ) grains, YSZ grain boundaries (negligible), the thermally grown oxide (TGO) and the electrode reaction. In the TBC system with a continuous TGO layer, the impedance of the YSZ grain was measured without influence of asymmetric electrode geometry above 100
kHz. In a frequency range below 100
kHz, asymmetric electrode geometry induced the spread of an electrical conduction region outside an electrode attached on the top coating surface. The impedance of the TGO and the electrode reaction was significantly affected by the asymmetric electrode geometry. The precise interpretation of an impedance spectrum of TBC systems measured under the condition of asymmetric electrode geometry requires further studies on the spread of an electrical conduction region due to decrease in frequency, increase in asymmetry of electrode geometry.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2010.01.030</doi><tpages>6</tpages></addata></record> |
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| ispartof | Surface & coatings technology, 2010-04, Vol.204 (15), p.2504-2509 |
| issn | 0257-8972 1879-3347 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Asymmetric electrode geometry Asymmetry Coatings Cross-disciplinary physics: materials science rheology Electrical conduction Electrodes Exact sciences and technology Impedance Impedance spectroscopy Materials science Metals. Metallurgy Non-destructive evaluation (NDE) Nonmetallic coatings Physics Porosity Production techniques Spreads Surface treatment Surface treatments Thermal barrier coating (TBC) Thermal barrier coatings Thermally grown oxide (TGO) Yttria stabilized zirconia |
| title | Influence of asymmetric electrode geometry on an impedance spectrum of a plasma-sprayed thermal barrier coating system |
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