Uneven growth of thermally grown oxide and stress distribution in plasma-sprayed thermal barrier coatings
After isothermal exposure at 1050 °C, uneven growth of thermally grown oxide (TGO) was observed at peak and valley positions of rough top coat/TGO interface. A statistical, quantitative analysis on uneven TGO and its evolution with oxidation time were presented. The stress states in the vicinity of...
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| Veröffentlicht in: | Surface & coatings technology 2009-07, Vol.203 (20), p.3088-3091 |
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| container_title | Surface & coatings technology |
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| creator | Che, C. Wu, G.Q. Qi, H.Y. Huang, Z. Yang, X.G. |
| description | After isothermal exposure at 1050 °C, uneven growth of thermally grown oxide (TGO) was observed at peak and valley positions of rough top coat/TGO interface. A statistical, quantitative analysis on uneven TGO and its evolution with oxidation time were presented. The stress states in the vicinity of uneven TGO were investigated using a finite element (FE) method. The results show that the TGO at peak and valley locations obeys exponential growth. The TGO is thicker at peaks than at valleys. A significant difference in the stress distribution exists for even and uneven TGO. |
| doi_str_mv | 10.1016/j.surfcoat.2009.03.031 |
| format | Article |
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A statistical, quantitative analysis on uneven TGO and its evolution with oxidation time were presented. The stress states in the vicinity of uneven TGO were investigated using a finite element (FE) method. The results show that the TGO at peak and valley locations obeys exponential growth. The TGO is thicker at peaks than at valleys. A significant difference in the stress distribution exists for even and uneven TGO.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2009.03.031</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Metals. Metallurgy ; Nonmetallic coatings ; Physics ; Plasma spraying ; Production techniques ; Surface treatment ; Surface treatments ; Thermal barrier coating ; Thermally grown oxide</subject><ispartof>Surface & coatings technology, 2009-07, Vol.203 (20), p.3088-3091</ispartof><rights>2009 Elsevier B.V.</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-6f3794202b461fc6eff869c6f85689bdade38e5054853c0bba922a45a434f0ba3</citedby><cites>FETCH-LOGICAL-c405t-6f3794202b461fc6eff869c6f85689bdade38e5054853c0bba922a45a434f0ba3</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.2009.03.031$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21661255$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Che, C.</creatorcontrib><creatorcontrib>Wu, G.Q.</creatorcontrib><creatorcontrib>Qi, H.Y.</creatorcontrib><creatorcontrib>Huang, Z.</creatorcontrib><creatorcontrib>Yang, X.G.</creatorcontrib><title>Uneven growth of thermally grown oxide and stress distribution in plasma-sprayed thermal barrier coatings</title><title>Surface & coatings technology</title><description>After isothermal exposure at 1050 °C, uneven growth of thermally grown oxide (TGO) was observed at peak and valley positions of rough top coat/TGO interface. A statistical, quantitative analysis on uneven TGO and its evolution with oxidation time were presented. The stress states in the vicinity of uneven TGO were investigated using a finite element (FE) method. The results show that the TGO at peak and valley locations obeys exponential growth. The TGO is thicker at peaks than at valleys. A significant difference in the stress distribution exists for even and uneven TGO.</description><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Nonmetallic coatings</subject><subject>Physics</subject><subject>Plasma spraying</subject><subject>Production techniques</subject><subject>Surface treatment</subject><subject>Surface treatments</subject><subject>Thermal barrier coating</subject><subject>Thermally grown oxide</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkU1vFDEMhiPUSmxL_wLKBTjN4nzO5AaqyodUiQs9R5mM02Y1myzJbGH_PVm25QiSJVvW89qWX0JeM1gzYPr9Zl33JfjsljUHMGsQLdgLsmJDbzohZH9GVsBV3w2m5y_JRa0bAGC9kSsS7xI-YqL3Jf9cHmgOdHnAsnXzfPjTSzT_ihNSlyZal4K10im2Io77JeZEY6K72dWt6-quuANOz3o6ulIiFno8LKb7-oqcBzdXvHrKl-Tu08336y_d7bfPX68_3nZeglo6HUQ7jAMfpWbBawxh0MbrMCg9mHFyE4oBFSg5KOFhHJ3h3EnlpJABRicuybvT3F3JP_ZYF7uN1eM8u4R5X60BocVgzNDIt_8khZSKCQEN1CfQl1xrwWB3JW5dOVgG9uiB3dhnD-zRAwuiBWvCN08bXPVuDsUlH-tfNWdaM65U4z6cOGyPeWxfs9VHTB6nWNAvdsrxf6t-AzXKoq4</recordid><startdate>20090715</startdate><enddate>20090715</enddate><creator>Che, C.</creator><creator>Wu, G.Q.</creator><creator>Qi, H.Y.</creator><creator>Huang, Z.</creator><creator>Yang, X.G.</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>20090715</creationdate><title>Uneven growth of thermally grown oxide and stress distribution in plasma-sprayed thermal barrier coatings</title><author>Che, C. ; Wu, G.Q. ; Qi, H.Y. ; Huang, Z. ; Yang, X.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-6f3794202b461fc6eff869c6f85689bdade38e5054853c0bba922a45a434f0ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Nonmetallic coatings</topic><topic>Physics</topic><topic>Plasma spraying</topic><topic>Production techniques</topic><topic>Surface treatment</topic><topic>Surface treatments</topic><topic>Thermal barrier coating</topic><topic>Thermally grown oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Che, C.</creatorcontrib><creatorcontrib>Wu, G.Q.</creatorcontrib><creatorcontrib>Qi, H.Y.</creatorcontrib><creatorcontrib>Huang, Z.</creatorcontrib><creatorcontrib>Yang, X.G.</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>Che, C.</au><au>Wu, G.Q.</au><au>Qi, H.Y.</au><au>Huang, Z.</au><au>Yang, X.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Uneven growth of thermally grown oxide and stress distribution in plasma-sprayed thermal barrier coatings</atitle><jtitle>Surface & coatings technology</jtitle><date>2009-07-15</date><risdate>2009</risdate><volume>203</volume><issue>20</issue><spage>3088</spage><epage>3091</epage><pages>3088-3091</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>After isothermal exposure at 1050 °C, uneven growth of thermally grown oxide (TGO) was observed at peak and valley positions of rough top coat/TGO interface. 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| ispartof | Surface & coatings technology, 2009-07, Vol.203 (20), p.3088-3091 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Nonmetallic coatings Physics Plasma spraying Production techniques Surface treatment Surface treatments Thermal barrier coating Thermally grown oxide |
| title | Uneven growth of thermally grown oxide and stress distribution in plasma-sprayed thermal barrier coatings |
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