Durability of YSZ coated Ti2AlC in 1300°C high velocity burner rig tests
A thermal barrier coating system survived 500 h in cyclic burner rig tests at 1300°C, exceeding the life of all previous systems. An yttria stabilized zirconia (7YSZ) thermal barrier coating (TBC) was plasma sprayed on the oxidation resistant Ti2AlC MAX phase and tested in a jet fuel burner. No coat...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2020-12, Vol.103 (12), p.7014-7030 |
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| creator | Cuy, Michael D Harder, Bryan J. Garg, Anita Rogers, Richard B. |
| description | A thermal barrier coating system survived 500 h in cyclic burner rig tests at 1300°C, exceeding the life of all previous systems. An yttria stabilized zirconia (7YSZ) thermal barrier coating (TBC) was plasma sprayed on the oxidation resistant Ti2AlC MAX phase and tested in a jet fuel burner. No coating spallation or recession was observed, only a 2.4 mg/sq.cm mass gain due to typical cubic Al2O3 oxidation kinetics. The modest weight gain contrasted with large TBC spallation or oxide volatility losses that might occur under cyclic, high velocity (~100 m/s) burner conditions. The coating surface exhibited colonies of [111]flourite fiber-textured columns separated by craze crack patterns, but with no visible moisture attack. The thickness of the alumina scale under the YSZ face was >20 μm, more than twice that formed on TBC/superalloy systems at failure. TiO2 nodules, initially formed on the uncoated backside, were then removed as volatile hydroxides formed in high temperature, high velocity water vapor (~10%). Overall, the test indicated the exceptional stability of the YSZ/Ti2AlC system under turbine conditions, due in large part to good thermal expansion matching. |
| doi_str_mv | 10.1111/jace.17154 |
| format | Article |
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An yttria stabilized zirconia (7YSZ) thermal barrier coating (TBC) was plasma sprayed on the oxidation resistant Ti2AlC MAX phase and tested in a jet fuel burner. No coating spallation or recession was observed, only a 2.4 mg/sq.cm mass gain due to typical cubic Al2O3 oxidation kinetics. The modest weight gain contrasted with large TBC spallation or oxide volatility losses that might occur under cyclic, high velocity (~100 m/s) burner conditions. The coating surface exhibited colonies of [111]flourite fiber-textured columns separated by craze crack patterns, but with no visible moisture attack. The thickness of the alumina scale under the YSZ face was >20 μm, more than twice that formed on TBC/superalloy systems at failure. TiO2 nodules, initially formed on the uncoated backside, were then removed as volatile hydroxides formed in high temperature, high velocity water vapor (~10%). Overall, the test indicated the exceptional stability of the YSZ/Ti2AlC system under turbine conditions, due in large part to good thermal expansion matching.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.17154</identifier><language>eng</language><publisher>Glenn Research Center: Wiley / American Ceramic Society</publisher><subject>Aeronautics (General) ; alumina ; Aluminum oxide ; Hydroxides ; Jet engine fuels ; MAX phases ; Nodules ; Oxidation resistance ; Spallation ; Superalloys ; Thermal barrier coatings ; thermal barrier coatings (TBC) ; Thermal expansion ; Titanium dioxide ; Turbines ; Water vapor ; Yttria-stabilized zirconia ; Yttrium oxide ; zirconia: yttria stabilized ; Zirconium dioxide</subject><ispartof>Journal of the American Ceramic Society, 2020-12, Vol.103 (12), p.7014-7030</ispartof><rights>Copyright Determination: PUBLIC_USE_PERMITTED</rights><rights>2020 The American Ceramic Society</rights><rights>2020 American Ceramic Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-4310-5569</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.17154$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.17154$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,800,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Cuy, Michael D</creatorcontrib><creatorcontrib>Harder, Bryan J.</creatorcontrib><creatorcontrib>Garg, Anita</creatorcontrib><creatorcontrib>Rogers, Richard B.</creatorcontrib><title>Durability of YSZ coated Ti2AlC in 1300°C high velocity burner rig tests</title><title>Journal of the American Ceramic Society</title><description>A thermal barrier coating system survived 500 h in cyclic burner rig tests at 1300°C, exceeding the life of all previous systems. An yttria stabilized zirconia (7YSZ) thermal barrier coating (TBC) was plasma sprayed on the oxidation resistant Ti2AlC MAX phase and tested in a jet fuel burner. No coating spallation or recession was observed, only a 2.4 mg/sq.cm mass gain due to typical cubic Al2O3 oxidation kinetics. The modest weight gain contrasted with large TBC spallation or oxide volatility losses that might occur under cyclic, high velocity (~100 m/s) burner conditions. The coating surface exhibited colonies of [111]flourite fiber-textured columns separated by craze crack patterns, but with no visible moisture attack. The thickness of the alumina scale under the YSZ face was >20 μm, more than twice that formed on TBC/superalloy systems at failure. TiO2 nodules, initially formed on the uncoated backside, were then removed as volatile hydroxides formed in high temperature, high velocity water vapor (~10%). Overall, the test indicated the exceptional stability of the YSZ/Ti2AlC system under turbine conditions, due in large part to good thermal expansion matching.</description><subject>Aeronautics (General)</subject><subject>alumina</subject><subject>Aluminum oxide</subject><subject>Hydroxides</subject><subject>Jet engine fuels</subject><subject>MAX phases</subject><subject>Nodules</subject><subject>Oxidation resistance</subject><subject>Spallation</subject><subject>Superalloys</subject><subject>Thermal barrier coatings</subject><subject>thermal barrier coatings (TBC)</subject><subject>Thermal expansion</subject><subject>Titanium dioxide</subject><subject>Turbines</subject><subject>Water vapor</subject><subject>Yttria-stabilized zirconia</subject><subject>Yttrium oxide</subject><subject>zirconia: yttria stabilized</subject><subject>Zirconium dioxide</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><recordid>eNotUL1OwzAQthBIlMLCzGCJOcV3duJmrEILRZUYKAMslpPYraOQFCcF9a14Bp4Mt-WWu9N9P6ePkGtgIwh1V-nCjEBCLE7IAOIYIkwhOSUDxhhGcozsnFx0XRVWSMdiQOb3W69zV7t-R1tL317eadHq3pR06XBSZ9Q1FDhjvz8ZXbvVmn6Zui326HzrG-Opdyvam67vLsmZ1XVnrv77kLzOpsvsMVo8P8yzySKqEKWIZGylSEshGMapBsxTlJhwyzEtNeQFt7ZkRhQ8HLXFNBfSCCu5TkResrjkQ3J71N349nMbnFXVhleCpUIRM-AoWRJQcER9u9rs1Ma7D-13Cpja56T2OalDTuppkk0PU-DcHDmN7rRqeh8UGULIinEB_A_hWGOm</recordid><startdate>202012</startdate><enddate>202012</enddate><creator>Cuy, Michael D</creator><creator>Harder, Bryan J.</creator><creator>Garg, Anita</creator><creator>Rogers, Richard B.</creator><general>Wiley / American Ceramic Society</general><general>Wiley Subscription Services, Inc</general><scope>CYE</scope><scope>CYI</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-4310-5569</orcidid></search><sort><creationdate>202012</creationdate><title>Durability of YSZ coated Ti2AlC in 1300°C high velocity burner rig tests</title><author>Cuy, Michael D ; Harder, Bryan J. ; Garg, Anita ; Rogers, Richard B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j2274-75f749d440259a12b927263f329da1bc3ffd0e4c39a1af29b47e4f73a64bd05d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aeronautics (General)</topic><topic>alumina</topic><topic>Aluminum oxide</topic><topic>Hydroxides</topic><topic>Jet engine fuels</topic><topic>MAX phases</topic><topic>Nodules</topic><topic>Oxidation resistance</topic><topic>Spallation</topic><topic>Superalloys</topic><topic>Thermal barrier coatings</topic><topic>thermal barrier coatings (TBC)</topic><topic>Thermal expansion</topic><topic>Titanium dioxide</topic><topic>Turbines</topic><topic>Water vapor</topic><topic>Yttria-stabilized zirconia</topic><topic>Yttrium oxide</topic><topic>zirconia: yttria stabilized</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cuy, Michael D</creatorcontrib><creatorcontrib>Harder, Bryan J.</creatorcontrib><creatorcontrib>Garg, Anita</creatorcontrib><creatorcontrib>Rogers, Richard B.</creatorcontrib><collection>NASA Scientific and Technical Information</collection><collection>NASA Technical Reports Server</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cuy, Michael D</au><au>Harder, Bryan J.</au><au>Garg, Anita</au><au>Rogers, Richard B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Durability of YSZ coated Ti2AlC in 1300°C high velocity burner rig tests</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2020-12</date><risdate>2020</risdate><volume>103</volume><issue>12</issue><spage>7014</spage><epage>7030</epage><pages>7014-7030</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>A thermal barrier coating system survived 500 h in cyclic burner rig tests at 1300°C, exceeding the life of all previous systems. An yttria stabilized zirconia (7YSZ) thermal barrier coating (TBC) was plasma sprayed on the oxidation resistant Ti2AlC MAX phase and tested in a jet fuel burner. No coating spallation or recession was observed, only a 2.4 mg/sq.cm mass gain due to typical cubic Al2O3 oxidation kinetics. The modest weight gain contrasted with large TBC spallation or oxide volatility losses that might occur under cyclic, high velocity (~100 m/s) burner conditions. The coating surface exhibited colonies of [111]flourite fiber-textured columns separated by craze crack patterns, but with no visible moisture attack. The thickness of the alumina scale under the YSZ face was >20 μm, more than twice that formed on TBC/superalloy systems at failure. TiO2 nodules, initially formed on the uncoated backside, were then removed as volatile hydroxides formed in high temperature, high velocity water vapor (~10%). Overall, the test indicated the exceptional stability of the YSZ/Ti2AlC system under turbine conditions, due in large part to good thermal expansion matching.</abstract><cop>Glenn Research Center</cop><pub>Wiley / American Ceramic Society</pub><doi>10.1111/jace.17154</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0003-4310-5569</orcidid><oa>free_for_read</oa></addata></record> |
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| source | NASA Technical Reports Server; Wiley Online Library All Journals |
| subjects | Aeronautics (General) alumina Aluminum oxide Hydroxides Jet engine fuels MAX phases Nodules Oxidation resistance Spallation Superalloys Thermal barrier coatings thermal barrier coatings (TBC) Thermal expansion Titanium dioxide Turbines Water vapor Yttria-stabilized zirconia Yttrium oxide zirconia: yttria stabilized Zirconium dioxide |
| title | Durability of YSZ coated Ti2AlC in 1300°C high velocity burner rig tests |
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