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INFLUENCE OF MANGANESE ON THE SINTERING PROPERTIES OF TETRAGONAL ZIRCONIA
The influence of small additions of MnO2 (up to 1 wt%) on the sintering behaviour of yttria-stabilised zirconia (Y-TZP) sintered over the temperature range from 1250 to 1500 C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant content and sintering te...
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| Published in: | Ceramics (Praha) 2013-01, Vol.57 (1), p.28-32 |
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| container_end_page | 32 |
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| container_title | Ceramics (Praha) |
| container_volume | 57 |
| creator | Ramesh, S Kelvin, Chew W J Tan, C Y Purbolaksono, J Noor, A M Hassan, M A Sutharsini, U Satgunam, M Teng, W D |
| description | The influence of small additions of MnO2 (up to 1 wt%) on the sintering behaviour of yttria-stabilised zirconia (Y-TZP) sintered over the temperature range from 1250 to 1500 C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant content and sintering temperature. The results revealed that relative densities > 97.5% of theoretical (i.e. > 5.95 Mg/m3) could be obtained in Y-TZPs sintered at low temperatures, 1250 C and 1300 C, with the additions of at least 0.3 wt% MnO2. In comparison to the undoped samples, additions of up to 1 wt% MnO2 and sintering up to 1350 C were found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however increased only in the 1 wt% MnO2-doped samples when sintered > 1400 C. The relation between the measured mechanical properties is discussed with the emphasis on the role of manganese oxide. |
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It was found that the mechanical properties of Y-TZP were dependent on the dopant content and sintering temperature. The results revealed that relative densities > 97.5% of theoretical (i.e. > 5.95 Mg/m3) could be obtained in Y-TZPs sintered at low temperatures, 1250 C and 1300 C, with the additions of at least 0.3 wt% MnO2. In comparison to the undoped samples, additions of up to 1 wt% MnO2 and sintering up to 1350 C were found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however increased only in the 1 wt% MnO2-doped samples when sintered > 1400 C. The relation between the measured mechanical properties is discussed with the emphasis on the role of manganese oxide.</description><identifier>ISSN: 0862-5468</identifier><identifier>EISSN: 1804-5847</identifier><language>eng</language><publisher>University of Chemistry and Technology, Prague</publisher><subject>Ceramics ; Density ; Manganese Oxide ; Manganese oxides ; Mechanical Properties ; Sintering ; Tetragonal zirconia polycrystals ; Vickers hardness ; Y-TZP ; Yttria stabilized zirconia ; Zirconia</subject><ispartof>Ceramics (Praha), 2013-01, Vol.57 (1), p.28-32</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Ramesh, S</creatorcontrib><creatorcontrib>Kelvin, Chew W J</creatorcontrib><creatorcontrib>Tan, C Y</creatorcontrib><creatorcontrib>Purbolaksono, J</creatorcontrib><creatorcontrib>Noor, A M</creatorcontrib><creatorcontrib>Hassan, M A</creatorcontrib><creatorcontrib>Sutharsini, U</creatorcontrib><creatorcontrib>Satgunam, M</creatorcontrib><creatorcontrib>Teng, W D</creatorcontrib><title>INFLUENCE OF MANGANESE ON THE SINTERING PROPERTIES OF TETRAGONAL ZIRCONIA</title><title>Ceramics (Praha)</title><description>The influence of small additions of MnO2 (up to 1 wt%) on the sintering behaviour of yttria-stabilised zirconia (Y-TZP) sintered over the temperature range from 1250 to 1500 C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant content and sintering temperature. The results revealed that relative densities > 97.5% of theoretical (i.e. > 5.95 Mg/m3) could be obtained in Y-TZPs sintered at low temperatures, 1250 C and 1300 C, with the additions of at least 0.3 wt% MnO2. In comparison to the undoped samples, additions of up to 1 wt% MnO2 and sintering up to 1350 C were found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however increased only in the 1 wt% MnO2-doped samples when sintered > 1400 C. The relation between the measured mechanical properties is discussed with the emphasis on the role of manganese oxide.</description><subject>Ceramics</subject><subject>Density</subject><subject>Manganese Oxide</subject><subject>Manganese oxides</subject><subject>Mechanical Properties</subject><subject>Sintering</subject><subject>Tetragonal zirconia polycrystals</subject><subject>Vickers hardness</subject><subject>Y-TZP</subject><subject>Yttria stabilized zirconia</subject><subject>Zirconia</subject><issn>0862-5468</issn><issn>1804-5847</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNqFjMtOg0AYRonRxFp9B5ZuSP65MJclIVM6SR0aSjduyDDDGBoqFerCt7da966-fCcn5yZaIAE0SQXlt9ECBMNJSpm4jx7m-QBAWMrFItLarDZ7ZXIVl6v4JTNFZtTuckxcr1W806ZWlTZFvK3KrapqrXY_Yq3qKitKk23iV13lpdHZY3QX7DB3T3-7jPYrVefrZFMWOs82iceCnxPOA3OhCzII0UpJHKEoQGd94IIBDdCG1CNoJaICggVnEcOYWmJTz1NpyTLS164f7aE5Tf3RTl_NaPvmF4zTW2Onc--GrvGIyxR13jkA6j1pOVDGnAgYwoXLS-v52jpN48dnN5-bYz-7bhjsezd-zg1iEhMsAdD_KqWCY0QJJd-fZmsk</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Ramesh, S</creator><creator>Kelvin, Chew W J</creator><creator>Tan, C Y</creator><creator>Purbolaksono, J</creator><creator>Noor, A M</creator><creator>Hassan, M A</creator><creator>Sutharsini, U</creator><creator>Satgunam, M</creator><creator>Teng, W D</creator><general>University of Chemistry and Technology, Prague</general><scope>7QQ</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>DOA</scope></search><sort><creationdate>20130101</creationdate><title>INFLUENCE OF MANGANESE ON THE SINTERING PROPERTIES OF TETRAGONAL ZIRCONIA</title><author>Ramesh, S ; Kelvin, Chew W J ; Tan, C Y ; Purbolaksono, J ; Noor, A M ; Hassan, M A ; Sutharsini, U ; Satgunam, M ; Teng, W D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-d287t-77f6cfef9f88b993c341f0eadf78604f0bf5d10b91480fa0ca16224a3a5d759a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Ceramics</topic><topic>Density</topic><topic>Manganese Oxide</topic><topic>Manganese oxides</topic><topic>Mechanical Properties</topic><topic>Sintering</topic><topic>Tetragonal zirconia polycrystals</topic><topic>Vickers hardness</topic><topic>Y-TZP</topic><topic>Yttria stabilized zirconia</topic><topic>Zirconia</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ramesh, S</creatorcontrib><creatorcontrib>Kelvin, Chew W J</creatorcontrib><creatorcontrib>Tan, C Y</creatorcontrib><creatorcontrib>Purbolaksono, J</creatorcontrib><creatorcontrib>Noor, A M</creatorcontrib><creatorcontrib>Hassan, M A</creatorcontrib><creatorcontrib>Sutharsini, U</creatorcontrib><creatorcontrib>Satgunam, M</creatorcontrib><creatorcontrib>Teng, W D</creatorcontrib><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Directory of Open Access Journals</collection><jtitle>Ceramics (Praha)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ramesh, S</au><au>Kelvin, Chew W J</au><au>Tan, C Y</au><au>Purbolaksono, J</au><au>Noor, A M</au><au>Hassan, M A</au><au>Sutharsini, U</au><au>Satgunam, M</au><au>Teng, W D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>INFLUENCE OF MANGANESE ON THE SINTERING PROPERTIES OF TETRAGONAL ZIRCONIA</atitle><jtitle>Ceramics (Praha)</jtitle><date>2013-01-01</date><risdate>2013</risdate><volume>57</volume><issue>1</issue><spage>28</spage><epage>32</epage><pages>28-32</pages><issn>0862-5468</issn><eissn>1804-5847</eissn><abstract>The influence of small additions of MnO2 (up to 1 wt%) on the sintering behaviour of yttria-stabilised zirconia (Y-TZP) sintered over the temperature range from 1250 to 1500 C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant content and sintering temperature. The results revealed that relative densities > 97.5% of theoretical (i.e. > 5.95 Mg/m3) could be obtained in Y-TZPs sintered at low temperatures, 1250 C and 1300 C, with the additions of at least 0.3 wt% MnO2. In comparison to the undoped samples, additions of up to 1 wt% MnO2 and sintering up to 1350 C were found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however increased only in the 1 wt% MnO2-doped samples when sintered > 1400 C. The relation between the measured mechanical properties is discussed with the emphasis on the role of manganese oxide.</abstract><pub>University of Chemistry and Technology, Prague</pub><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| source | Free Full-Text Journals in Chemistry |
| subjects | Ceramics Density Manganese Oxide Manganese oxides Mechanical Properties Sintering Tetragonal zirconia polycrystals Vickers hardness Y-TZP Yttria stabilized zirconia Zirconia |
| title | INFLUENCE OF MANGANESE ON THE SINTERING PROPERTIES OF TETRAGONAL ZIRCONIA |
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