Densification of Nanocrystalline Yttria by Low Temperature Spark Plasma Sintering
We investigated the densification of undoped, nanocrystalline yttria (Y2O3) powder by spark plasma sintering (SPS) at sintering temperatures between 650°C and 1050°C at a heating rate of 10°C/min and an applied stress of 83 MPa. In spite of the low sinterability of the undoped Y2O3, a remarkable den...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2008-05, Vol.91 (5), p.1707-1710 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Yoshida, Hidehiro Morita, Koji Kim, Byung-Nam Hiraga, Keijiro Kodo, Masayasu Soga, Kohei Yamamoto, Takahisa |
| description | We investigated the densification of undoped, nanocrystalline yttria (Y2O3) powder by spark plasma sintering (SPS) at sintering temperatures between 650°C and 1050°C at a heating rate of 10°C/min and an applied stress of 83 MPa. In spite of the low sinterability of the undoped Y2O3, a remarkable densification of the powder started at about 600°C, and a theoretical density of more than 97% was achieved at a sintering temperature of 850°C with a grain size of about 500 nm. The low temperature SPS is effective for fabricating dense Y2O3 polycrystals. |
| doi_str_mv | 10.1111/j.1551-2916.2008.02337.x |
| format | Article |
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In spite of the low sinterability of the undoped Y2O3, a remarkable densification of the powder started at about 600°C, and a theoretical density of more than 97% was achieved at a sintering temperature of 850°C with a grain size of about 500 nm. The low temperature SPS is effective for fabricating dense Y2O3 polycrystals.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1551-2916.2008.02337.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Applied sciences ; Building materials. Ceramics. 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In spite of the low sinterability of the undoped Y2O3, a remarkable densification of the powder started at about 600°C, and a theoretical density of more than 97% was achieved at a sintering temperature of 850°C with a grain size of about 500 nm. The low temperature SPS is effective for fabricating dense Y2O3 polycrystals.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Ceramics</subject><subject>Chemical industry and chemicals</subject><subject>Densification</subject><subject>Exact sciences and technology</subject><subject>Grain size</subject><subject>Heating</subject><subject>Materials science</subject><subject>Miscellaneous</subject><subject>Nanocrystals</subject><subject>Plasma sintering</subject><subject>Technical ceramics</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNkV1r2zAUhsXooFm3_yAG251dybIt6aqUtOsHodtIoO2VOFaOh1JHziSHJv--SlNy0avqRhJ6zsPLK0IoZzlP63SR86riWaF5nReMqZwVQsh884mMDg9HZMQYKzKpCnZMvsS4SFeuVTkify_QR9c6C4PrPe1bege-t2EbB-g655E-DkNwQJstnfTPdIbLFQYY1gHpdAXhif7pIC6BTp0fMDj_7yv53EIX8dvbfkJmvy5n4-ts8vvqZnw-yWzFpMyASaxLhk0ttAY9tzivqyalbWWja8HVHLAtQbES0DaVwLlkoqo0SqUZSnFCfu61q9D_X2MczNJFi10HHvt1NKKUScx0Ar-_Axf9OvgUzRRcaiGYUAlSe8iGPsaArVkFt4SwNZyZXc9mYXZ1ml2dZtezee3ZbNLojzc_RAtdG8BbFw_zRUotSiUSd7bnnl2H2w_7ze35-PL1nAzZ3uDigJuDIX2CqaWQlbm_uzL30wd-IR-U4eIFGqSgAA</recordid><startdate>200805</startdate><enddate>200805</enddate><creator>Yoshida, Hidehiro</creator><creator>Morita, Koji</creator><creator>Kim, Byung-Nam</creator><creator>Hiraga, Keijiro</creator><creator>Kodo, Masayasu</creator><creator>Soga, Kohei</creator><creator>Yamamoto, Takahisa</creator><general>Blackwell Publishing Inc</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200805</creationdate><title>Densification of Nanocrystalline Yttria by Low Temperature Spark Plasma Sintering</title><author>Yoshida, Hidehiro ; Morita, Koji ; Kim, Byung-Nam ; Hiraga, Keijiro ; Kodo, Masayasu ; Soga, Kohei ; Yamamoto, Takahisa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5077-a07e640eb6399a9dced65b291f7b96318daef4a804aecb53ed703559e7890e73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic industries</topic><topic>Ceramics</topic><topic>Chemical industry and chemicals</topic><topic>Densification</topic><topic>Exact sciences and technology</topic><topic>Grain size</topic><topic>Heating</topic><topic>Materials science</topic><topic>Miscellaneous</topic><topic>Nanocrystals</topic><topic>Plasma sintering</topic><topic>Technical ceramics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yoshida, Hidehiro</creatorcontrib><creatorcontrib>Morita, Koji</creatorcontrib><creatorcontrib>Kim, Byung-Nam</creatorcontrib><creatorcontrib>Hiraga, Keijiro</creatorcontrib><creatorcontrib>Kodo, Masayasu</creatorcontrib><creatorcontrib>Soga, Kohei</creatorcontrib><creatorcontrib>Yamamoto, Takahisa</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</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>Yoshida, Hidehiro</au><au>Morita, Koji</au><au>Kim, Byung-Nam</au><au>Hiraga, Keijiro</au><au>Kodo, Masayasu</au><au>Soga, Kohei</au><au>Yamamoto, Takahisa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Densification of Nanocrystalline Yttria by Low Temperature Spark Plasma Sintering</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2008-05</date><risdate>2008</risdate><volume>91</volume><issue>5</issue><spage>1707</spage><epage>1710</epage><pages>1707-1710</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>We investigated the densification of undoped, nanocrystalline yttria (Y2O3) powder by spark plasma sintering (SPS) at sintering temperatures between 650°C and 1050°C at a heating rate of 10°C/min and an applied stress of 83 MPa. In spite of the low sinterability of the undoped Y2O3, a remarkable densification of the powder started at about 600°C, and a theoretical density of more than 97% was achieved at a sintering temperature of 850°C with a grain size of about 500 nm. The low temperature SPS is effective for fabricating dense Y2O3 polycrystals.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><doi>10.1111/j.1551-2916.2008.02337.x</doi><tpages>4</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences Building materials. Ceramics. Glasses Ceramic industries Ceramics Chemical industry and chemicals Densification Exact sciences and technology Grain size Heating Materials science Miscellaneous Nanocrystals Plasma sintering Technical ceramics |
| title | Densification of Nanocrystalline Yttria by Low Temperature Spark Plasma Sintering |
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