The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure
The evolution of the stresses in the aluminum oxide formed beneath a zirconia thermal barrier coating during high-temperature oxidation has been measured from the piezospectroscopic shift in the R-line photoluminescence from Cr 3+ impurities incorporated into the growing aluminum oxide scale. The ea...
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| Veröffentlicht in: | Surface & coatings technology 1997-10, Vol.94 (1-3), p.89-93 |
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| container_title | Surface & coatings technology |
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| creator | Clarke, D.R. Christensen, R.J. Tolpygo, V. |
| description | The evolution of the stresses in the aluminum oxide formed beneath a zirconia thermal barrier coating during high-temperature oxidation has been measured from the piezospectroscopic shift in the R-line photoluminescence from Cr
3+ impurities incorporated into the growing aluminum oxide scale. The early stages of oxidation are associated with concurrent phase transformations in the aluminum oxide leading to the stable alpha-alumina phase. On the basis of microstructural observations and the broadening of the luminescence lines, it is suggested that spalling failure occurs as a result of linking together of localized decohesion of the oxide/bond-coat interface, a process accelerated by moisture enhanced sub-critical crack growth at the interface. |
| doi_str_mv | 10.1016/S0257-8972(97)00483-0 |
| format | Article |
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3+ impurities incorporated into the growing aluminum oxide scale. The early stages of oxidation are associated with concurrent phase transformations in the aluminum oxide leading to the stable alpha-alumina phase. On the basis of microstructural observations and the broadening of the luminescence lines, it is suggested that spalling failure occurs as a result of linking together of localized decohesion of the oxide/bond-coat interface, a process accelerated by moisture enhanced sub-critical crack growth at the interface.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/S0257-8972(97)00483-0</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Luminescence ; Mechanical and acoustical properties ; Metals. Metallurgy ; Oxidation ; Physical properties of thin films, nonelectronic ; Physics ; Stresses ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; TBC</subject><ispartof>Surface & coatings technology, 1997-10, Vol.94 (1-3), p.89-93</ispartof><rights>1997 Elsevier Science S.A. All rights reserved</rights><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c433t-64d547f854ed4724d3764eacdf9f2781f0b4dc8ce4281c4fafda607567eaf4913</citedby><cites>FETCH-LOGICAL-c433t-64d547f854ed4724d3764eacdf9f2781f0b4dc8ce4281c4fafda607567eaf4913</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0257897297004830$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3537,23909,23910,25118,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2123206$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Clarke, D.R.</creatorcontrib><creatorcontrib>Christensen, R.J.</creatorcontrib><creatorcontrib>Tolpygo, V.</creatorcontrib><title>The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure</title><title>Surface & coatings technology</title><description>The evolution of the stresses in the aluminum oxide formed beneath a zirconia thermal barrier coating during high-temperature oxidation has been measured from the piezospectroscopic shift in the R-line photoluminescence from Cr
3+ impurities incorporated into the growing aluminum oxide scale. The early stages of oxidation are associated with concurrent phase transformations in the aluminum oxide leading to the stable alpha-alumina phase. On the basis of microstructural observations and the broadening of the luminescence lines, it is suggested that spalling failure occurs as a result of linking together of localized decohesion of the oxide/bond-coat interface, a process accelerated by moisture enhanced sub-critical crack growth at the interface.</description><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Luminescence</subject><subject>Mechanical and acoustical properties</subject><subject>Metals. Metallurgy</subject><subject>Oxidation</subject><subject>Physical properties of thin films, nonelectronic</subject><subject>Physics</subject><subject>Stresses</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>TBC</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqFkEtP3DAQgC3USl0oP6GSDxWCQ1q_EienqkL0ISH1AJytwR6DK2-8eBIE_PpmdxHXnuahb2Y0H2OfpPgihey-XgnV2qYfrDod7JkQpteNOGAr2duh0drYd2z1hnxgh0R_hRDSDmbF1tf3yPGx5HlKZeQl8vKUAuwKmioSIfE08pdUfRkT8Oke6xoyv4VaE1buC0wYOM0brJBzeeYZIaTxjk-F02ZpbfMIKc8VP7L3ETLh8Ws8Yjc_Lq7PfzWXf37-Pv9-2Xij9dR0JrTGxr41GIxVJmjbGQQf4hCV7WUUtyb43qNRvfQmQgzQCdt2FiGaQeojdrLfu6nlYUaa3DqRx5xhxDKTU9YILbot2O5BXwtRxeg2Na2hPjsp3Fau28l1W3NusG4n14ll7vPrASAPOVYYfaK3YSWVVqJbsG97DJdnHxddjnzC0WNIFf3kQkn_OfQPOrSQxQ</recordid><startdate>19971001</startdate><enddate>19971001</enddate><creator>Clarke, D.R.</creator><creator>Christensen, R.J.</creator><creator>Tolpygo, V.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19971001</creationdate><title>The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure</title><author>Clarke, D.R. ; Christensen, R.J. ; Tolpygo, V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c433t-64d547f854ed4724d3764eacdf9f2781f0b4dc8ce4281c4fafda607567eaf4913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Applied sciences</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Luminescence</topic><topic>Mechanical and acoustical properties</topic><topic>Metals. Metallurgy</topic><topic>Oxidation</topic><topic>Physical properties of thin films, nonelectronic</topic><topic>Physics</topic><topic>Stresses</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>TBC</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Clarke, D.R.</creatorcontrib><creatorcontrib>Christensen, R.J.</creatorcontrib><creatorcontrib>Tolpygo, V.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion 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>Clarke, D.R.</au><au>Christensen, R.J.</au><au>Tolpygo, V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure</atitle><jtitle>Surface & coatings technology</jtitle><date>1997-10-01</date><risdate>1997</risdate><volume>94</volume><issue>1-3</issue><spage>89</spage><epage>93</epage><pages>89-93</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>The evolution of the stresses in the aluminum oxide formed beneath a zirconia thermal barrier coating during high-temperature oxidation has been measured from the piezospectroscopic shift in the R-line photoluminescence from Cr
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| ispartof | Surface & coatings technology, 1997-10, Vol.94 (1-3), p.89-93 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Luminescence Mechanical and acoustical properties Metals. Metallurgy Oxidation Physical properties of thin films, nonelectronic Physics Stresses Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) TBC |
| title | The evolution of oxidation stresses in zirconia thermal barrier coated superalloy leading to spalling failure |
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