Phase transformation studies on YSZ doped with alumina. Part 2: Yttria segregation
Yttria and alumina segregations in annealed alumina-doped YSZ at 800 °C and 1000 °C for different annealing times were discussed. Segregation of yttria into the grain boundaries of YSZ was detected which leads to its deficiency in the YSZ grains. Low dopant concentration in YSZ grains may result in...
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| Veröffentlicht in: | Journal of alloys and compounds 2010-09, Vol.505 (2), p.534-541 |
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| container_title | Journal of alloys and compounds |
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| creator | Nazarpour, Soroush López-Gándara, Carlos Zamani, Cyrus Fernández-Sanjuán, Josep M. Ramos, Francisco M. Cirera, Albert |
| description | Yttria and alumina segregations in annealed alumina-doped YSZ at 800
°C and 1000
°C for different annealing times were discussed. Segregation of yttria into the grain boundaries of YSZ was detected which leads to its deficiency in the YSZ grains. Low dopant concentration in YSZ grains may result in cubic and/or tetragonal to monoclinic phase transformation. Hence, variation of the mechanical and electrical properties of YSZ as a function of annealing temperature was studied. Finally, the material was studied as an oxygen sensor implemented in a real engine where it exposed to the exhaust gas for 50,000
h. Microstructural investigations show that these working conditions lead to the formation of monoclinic phase; cubic YSZ is fully removed whereas tetragonal phase is partially disappeared which confirms the proposed effect of yttria segregation upon the sensor lifetime. This study reveals the importance of considering the degradation of electrolyte material in the high temperature applications such as gas sensing. |
| doi_str_mv | 10.1016/j.jallcom.2010.05.137 |
| format | Article |
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°C and 1000
°C for different annealing times were discussed. Segregation of yttria into the grain boundaries of YSZ was detected which leads to its deficiency in the YSZ grains. Low dopant concentration in YSZ grains may result in cubic and/or tetragonal to monoclinic phase transformation. Hence, variation of the mechanical and electrical properties of YSZ as a function of annealing temperature was studied. Finally, the material was studied as an oxygen sensor implemented in a real engine where it exposed to the exhaust gas for 50,000
h. Microstructural investigations show that these working conditions lead to the formation of monoclinic phase; cubic YSZ is fully removed whereas tetragonal phase is partially disappeared which confirms the proposed effect of yttria segregation upon the sensor lifetime. This study reveals the importance of considering the degradation of electrolyte material in the high temperature applications such as gas sensing.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2010.05.137</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alumina oversaturation ; Aluminum oxide ; Annealing ; Cold working, work hardening; annealing, quenching, tempering, recovery, and recrystallization; textures ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Grain boundaries ; Grains ; Materials science ; Mechanical and acoustical properties ; Mechanical and acoustical properties of condensed matter ; Oxygen sensor ; Phase transformations ; Physical properties of thin films, nonelectronic ; Physics ; Segregation ; Segregations ; Sensors ; Structure of solids and liquids; crystallography ; Structure of specific crystalline solids ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties) ; Tetragonality ; Treatment of materials and its effects on microstructure and properties ; YSZ ; Yttria deficiency ; Yttria stabilized zirconia ; Yttrium oxide</subject><ispartof>Journal of alloys and compounds, 2010-09, Vol.505 (2), p.534-541</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-fff9419a4a8cb850af21058094cd2427af9de58e5c9c14916081df60510ab1b93</citedby><cites>FETCH-LOGICAL-c301t-fff9419a4a8cb850af21058094cd2427af9de58e5c9c14916081df60510ab1b93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925838810013447$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23179896$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Nazarpour, Soroush</creatorcontrib><creatorcontrib>López-Gándara, Carlos</creatorcontrib><creatorcontrib>Zamani, Cyrus</creatorcontrib><creatorcontrib>Fernández-Sanjuán, Josep M.</creatorcontrib><creatorcontrib>Ramos, Francisco M.</creatorcontrib><creatorcontrib>Cirera, Albert</creatorcontrib><title>Phase transformation studies on YSZ doped with alumina. Part 2: Yttria segregation</title><title>Journal of alloys and compounds</title><description>Yttria and alumina segregations in annealed alumina-doped YSZ at 800
°C and 1000
°C for different annealing times were discussed. Segregation of yttria into the grain boundaries of YSZ was detected which leads to its deficiency in the YSZ grains. Low dopant concentration in YSZ grains may result in cubic and/or tetragonal to monoclinic phase transformation. Hence, variation of the mechanical and electrical properties of YSZ as a function of annealing temperature was studied. Finally, the material was studied as an oxygen sensor implemented in a real engine where it exposed to the exhaust gas for 50,000
h. Microstructural investigations show that these working conditions lead to the formation of monoclinic phase; cubic YSZ is fully removed whereas tetragonal phase is partially disappeared which confirms the proposed effect of yttria segregation upon the sensor lifetime. This study reveals the importance of considering the degradation of electrolyte material in the high temperature applications such as gas sensing.</description><subject>Alumina oversaturation</subject><subject>Aluminum oxide</subject><subject>Annealing</subject><subject>Cold working, work hardening; annealing, quenching, tempering, recovery, and recrystallization; textures</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Grain boundaries</subject><subject>Grains</subject><subject>Materials science</subject><subject>Mechanical and acoustical properties</subject><subject>Mechanical and acoustical properties of condensed matter</subject><subject>Oxygen sensor</subject><subject>Phase transformations</subject><subject>Physical properties of thin films, nonelectronic</subject><subject>Physics</subject><subject>Segregation</subject><subject>Segregations</subject><subject>Sensors</subject><subject>Structure of solids and liquids; crystallography</subject><subject>Structure of specific crystalline solids</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>Tetragonality</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><subject>YSZ</subject><subject>Yttria deficiency</subject><subject>Yttria stabilized zirconia</subject><subject>Yttrium oxide</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkE1vFDEMhiMEEkvhJyDlgjjN1J5MZhMuCFWFIlWiauFQLpE347RZzceSZKn675myK66cbFnPa8uPEG8RagTsTrf1lobBz2PdwDIDXaNaPxMrNGtVtV1nn4sV2EZXRhnzUrzKeQsAaBWuxPXVPWWWJdGUw5xGKnGeZC77PnKWS3t781P28457-RDLvaRhP8aJanlFqcjmg7wtJUWSme8S3_1NvxYvAg2Z3xzrifjx-fz72UV1-e3L17NPl5VXgKUKIdgWLbVk_MZooNAgaAO29X3TNmsKtmdtWHvrsbXYgcE-dKARaIMbq07E-8PeXZp_7TkXN8bseRho4nmfnVHYIIJRC6kPpE9zzomD26U4Unp0CO5Jodu6o0L3pNCBdovCJffueIGypyEsknzM_8KNwrU1tlu4jweOl3d_R04u-8iT5z4m9sX1c_zPpT_E4Ilf</recordid><startdate>20100903</startdate><enddate>20100903</enddate><creator>Nazarpour, Soroush</creator><creator>López-Gándara, Carlos</creator><creator>Zamani, Cyrus</creator><creator>Fernández-Sanjuán, Josep M.</creator><creator>Ramos, Francisco M.</creator><creator>Cirera, Albert</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100903</creationdate><title>Phase transformation studies on YSZ doped with alumina. Part 2: Yttria segregation</title><author>Nazarpour, Soroush ; López-Gándara, Carlos ; Zamani, Cyrus ; Fernández-Sanjuán, Josep M. ; Ramos, Francisco M. ; Cirera, Albert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c301t-fff9419a4a8cb850af21058094cd2427af9de58e5c9c14916081df60510ab1b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Alumina oversaturation</topic><topic>Aluminum oxide</topic><topic>Annealing</topic><topic>Cold working, work hardening; annealing, quenching, tempering, recovery, and recrystallization; textures</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Grain boundaries</topic><topic>Grains</topic><topic>Materials science</topic><topic>Mechanical and acoustical properties</topic><topic>Mechanical and acoustical properties of condensed matter</topic><topic>Oxygen sensor</topic><topic>Phase transformations</topic><topic>Physical properties of thin films, nonelectronic</topic><topic>Physics</topic><topic>Segregation</topic><topic>Segregations</topic><topic>Sensors</topic><topic>Structure of solids and liquids; crystallography</topic><topic>Structure of specific crystalline solids</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>Tetragonality</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><topic>YSZ</topic><topic>Yttria deficiency</topic><topic>Yttria stabilized zirconia</topic><topic>Yttrium oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nazarpour, Soroush</creatorcontrib><creatorcontrib>López-Gándara, Carlos</creatorcontrib><creatorcontrib>Zamani, Cyrus</creatorcontrib><creatorcontrib>Fernández-Sanjuán, Josep M.</creatorcontrib><creatorcontrib>Ramos, Francisco M.</creatorcontrib><creatorcontrib>Cirera, Albert</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nazarpour, Soroush</au><au>López-Gándara, Carlos</au><au>Zamani, Cyrus</au><au>Fernández-Sanjuán, Josep M.</au><au>Ramos, Francisco M.</au><au>Cirera, Albert</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase transformation studies on YSZ doped with alumina. Part 2: Yttria segregation</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2010-09-03</date><risdate>2010</risdate><volume>505</volume><issue>2</issue><spage>534</spage><epage>541</epage><pages>534-541</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>Yttria and alumina segregations in annealed alumina-doped YSZ at 800
°C and 1000
°C for different annealing times were discussed. Segregation of yttria into the grain boundaries of YSZ was detected which leads to its deficiency in the YSZ grains. Low dopant concentration in YSZ grains may result in cubic and/or tetragonal to monoclinic phase transformation. Hence, variation of the mechanical and electrical properties of YSZ as a function of annealing temperature was studied. Finally, the material was studied as an oxygen sensor implemented in a real engine where it exposed to the exhaust gas for 50,000
h. Microstructural investigations show that these working conditions lead to the formation of monoclinic phase; cubic YSZ is fully removed whereas tetragonal phase is partially disappeared which confirms the proposed effect of yttria segregation upon the sensor lifetime. This study reveals the importance of considering the degradation of electrolyte material in the high temperature applications such as gas sensing.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2010.05.137</doi><tpages>8</tpages></addata></record> |
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| subjects | Alumina oversaturation Aluminum oxide Annealing Cold working, work hardening annealing, quenching, tempering, recovery, and recrystallization textures Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Grain boundaries Grains Materials science Mechanical and acoustical properties Mechanical and acoustical properties of condensed matter Oxygen sensor Phase transformations Physical properties of thin films, nonelectronic Physics Segregation Segregations Sensors Structure of solids and liquids crystallography Structure of specific crystalline solids Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Tetragonality Treatment of materials and its effects on microstructure and properties YSZ Yttria deficiency Yttria stabilized zirconia Yttrium oxide |
| title | Phase transformation studies on YSZ doped with alumina. Part 2: Yttria segregation |
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