Phase stability and hot corrosion behavior of ZrO2–Ta2O5 compound in Na2SO4–V2O5 mixtures at elevated temperatures
For thermal barrier coating (TBC) applications, yttria stabilized zirconia (YSZ) is susceptible to hot corrosion. This paper examines the hot corrosion performance of ZrO2/Ta2O5 compounds. Different compositions of ZrO2–Ta2O5 samples in the presence of molten mixture of Na2SO4+V2O5 at 1100°C were te...
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| Veröffentlicht in: | Ceramics international 2014-04, Vol.40 (3), p.4077-4083 |
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| creator | Habibi, M.H. Yang, Shizhong Guo, S.M. |
| description | For thermal barrier coating (TBC) applications, yttria stabilized zirconia (YSZ) is susceptible to hot corrosion. This paper examines the hot corrosion performance of ZrO2/Ta2O5 compounds. Different compositions of ZrO2–Ta2O5 samples in the presence of molten mixture of Na2SO4+V2O5 at 1100°C were tested. The compositions were selected to form tetragonal and orthorhombic phases of zirconium-tantalum oxides. Results show that orthorhombic zirconium-tantalum oxide is more stable, both thermally and chemically in Na2SO4+V2O5 media at 1100°C, and shows a better hot corrosion resistance than the tetragonal phase. |
| doi_str_mv | 10.1016/j.ceramint.2013.08.062 |
| format | Article |
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This paper examines the hot corrosion performance of ZrO2/Ta2O5 compounds. Different compositions of ZrO2–Ta2O5 samples in the presence of molten mixture of Na2SO4+V2O5 at 1100°C were tested. The compositions were selected to form tetragonal and orthorhombic phases of zirconium-tantalum oxides. Results show that orthorhombic zirconium-tantalum oxide is more stable, both thermally and chemically in Na2SO4+V2O5 media at 1100°C, and shows a better hot corrosion resistance than the tetragonal phase.</description><identifier>ISSN: 0272-8842</identifier><identifier>EISSN: 1873-3956</identifier><identifier>DOI: 10.1016/j.ceramint.2013.08.062</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>C. Hot corrosion ; Ceramics ; D. Ta2O5 ; D. ZrO2 ; E. 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This paper examines the hot corrosion performance of ZrO2/Ta2O5 compounds. Different compositions of ZrO2–Ta2O5 samples in the presence of molten mixture of Na2SO4+V2O5 at 1100°C were tested. The compositions were selected to form tetragonal and orthorhombic phases of zirconium-tantalum oxides. Results show that orthorhombic zirconium-tantalum oxide is more stable, both thermally and chemically in Na2SO4+V2O5 media at 1100°C, and shows a better hot corrosion resistance than the tetragonal phase.</description><subject>C. Hot corrosion</subject><subject>Ceramics</subject><subject>D. Ta2O5</subject><subject>D. ZrO2</subject><subject>E. Thermal barrier coating (TBC)</subject><subject>Elevated</subject><subject>Hot corrosion</subject><subject>Orthorhombic phase</subject><subject>Oxides</subject><subject>Phase stability</subject><subject>Yttria stabilized zirconia</subject><subject>Zirconium dioxide</subject><issn>0272-8842</issn><issn>1873-3956</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkc1O3DAUhS3USkyBV0BesknwXxxnVzRqoRLqVIKyYGM5zo3GoySe2p5R2fEOvCFPUqfTrmd1F-c7R_feg9AlJSUlVF5vSgvBjG5KJSOUl0SVRLITtKCq5gVvKvkBLQirWaGUYKfoU4wbko2NIAu0_7E2EXBMpnWDSy_YTB1e-4StD8FH5yfcwtrsnQ_Y9_g5rNj769ujYasqI-PW7zLvJvzdsIeVyNLTrIzud9oFiNgkDAPsTYIOJxi3edG_wjn62JshwsW_eYZ-fv3yuLwr7le335Y394XlRKVC8UoaQdu6Zq1s6oZIa5WpiFCtVK3gjDCuTC8awhvb5QH5zr6CCrq64jXwM3R1yN0G_2sHMenRRQvDYCbwu6jzF5igYv7bUbSaQSYpy6g8oDa_KAbo9Ta40YQXTYmeO9Eb_b8TPWdronTuJBs_H4yQb947CDpaB5OFzgWwSXfeHYv4AxTPmW0</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Habibi, M.H.</creator><creator>Yang, Shizhong</creator><creator>Guo, S.M.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140401</creationdate><title>Phase stability and hot corrosion behavior of ZrO2–Ta2O5 compound in Na2SO4–V2O5 mixtures at elevated temperatures</title><author>Habibi, M.H. ; Yang, Shizhong ; Guo, S.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c308t-8356a41b772b697906cc8a5048b68b4320238af49039cd490e027f5e5ed7537e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>C. Hot corrosion</topic><topic>Ceramics</topic><topic>D. Ta2O5</topic><topic>D. ZrO2</topic><topic>E. Thermal barrier coating (TBC)</topic><topic>Elevated</topic><topic>Hot corrosion</topic><topic>Orthorhombic phase</topic><topic>Oxides</topic><topic>Phase stability</topic><topic>Yttria stabilized zirconia</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Habibi, M.H.</creatorcontrib><creatorcontrib>Yang, Shizhong</creatorcontrib><creatorcontrib>Guo, S.M.</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Ceramics international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Habibi, M.H.</au><au>Yang, Shizhong</au><au>Guo, S.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase stability and hot corrosion behavior of ZrO2–Ta2O5 compound in Na2SO4–V2O5 mixtures at elevated temperatures</atitle><jtitle>Ceramics international</jtitle><date>2014-04-01</date><risdate>2014</risdate><volume>40</volume><issue>3</issue><spage>4077</spage><epage>4083</epage><pages>4077-4083</pages><issn>0272-8842</issn><eissn>1873-3956</eissn><abstract>For thermal barrier coating (TBC) applications, yttria stabilized zirconia (YSZ) is susceptible to hot corrosion. This paper examines the hot corrosion performance of ZrO2/Ta2O5 compounds. Different compositions of ZrO2–Ta2O5 samples in the presence of molten mixture of Na2SO4+V2O5 at 1100°C were tested. The compositions were selected to form tetragonal and orthorhombic phases of zirconium-tantalum oxides. Results show that orthorhombic zirconium-tantalum oxide is more stable, both thermally and chemically in Na2SO4+V2O5 media at 1100°C, and shows a better hot corrosion resistance than the tetragonal phase.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ceramint.2013.08.062</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0272-8842 |
| ispartof | Ceramics international, 2014-04, Vol.40 (3), p.4077-4083 |
| issn | 0272-8842 1873-3956 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | C. Hot corrosion Ceramics D. Ta2O5 D. ZrO2 E. Thermal barrier coating (TBC) Elevated Hot corrosion Orthorhombic phase Oxides Phase stability Yttria stabilized zirconia Zirconium dioxide |
| title | Phase stability and hot corrosion behavior of ZrO2–Ta2O5 compound in Na2SO4–V2O5 mixtures at elevated temperatures |
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