Effect of Nano-Al2O3 on the Microstructure and Properties of ZrO2 Dental Materials Prepared by Microwave Sintering
Al2O3(x)/ZrO2 composite ceramics were successfully prepared by microwave sintering. The influence of variety content of nanoAl2O3 on mechanical properties and microstructure of ZrO2 dental materials were studied, and analysied the mutual relations of chemical composition, mechanical properties and m...
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| Veröffentlicht in: | Applied Mechanics and Materials 2014-08, Vol.618 (Materials, Machines and Development of Technologies for Industrial Production), p.3-7 |
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| creator | Xie, Xiang Hua Liang, Bing Liang He, Wen Ai, Yun Long Chen, Wei Hua |
| description | Al2O3(x)/ZrO2 composite ceramics were successfully prepared by microwave sintering. The influence of variety content of nanoAl2O3 on mechanical properties and microstructure of ZrO2 dental materials were studied, and analysied the mutual relations of chemical composition, mechanical properties and microstructure to investigate the reason of strengthening and toughening. Results indicated that The relative density of the Al2O3(x)/ZrO2 composite ceramics reached more than 96.8%.The HV hardness ,bending strength and fracture toughness presented excellent mechanical properties as 12.5GPa, 753.8MPa and 11.8MPa·m1/2 with the content of nanoAl2O3 was 7.5%. Compared with that of pure ZrO2 ceramics, the bending strength and the fracture toughness were improved 19% and 96%, respectively. The main crystal phases in this composite ceramics were t-ZrO2 and α-Al2O3.The nanoAl2O3 have a obvious effect on the strength and toughness of ZrO2 based ceramics. The reason of strengthening and toughening mainly the additions reduced the ZrO2 grains growth and promoted grains size uniformity, and changed the fracture mode from transgranular fracture to intergranular fracture characteristics. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.618.3 |
| format | Article |
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The influence of variety content of nanoAl2O3 on mechanical properties and microstructure of ZrO2 dental materials were studied, and analysied the mutual relations of chemical composition, mechanical properties and microstructure to investigate the reason of strengthening and toughening. Results indicated that The relative density of the Al2O3(x)/ZrO2 composite ceramics reached more than 96.8%.The HV hardness ,bending strength and fracture toughness presented excellent mechanical properties as 12.5GPa, 753.8MPa and 11.8MPa·m1/2 with the content of nanoAl2O3 was 7.5%. Compared with that of pure ZrO2 ceramics, the bending strength and the fracture toughness were improved 19% and 96%, respectively. The main crystal phases in this composite ceramics were t-ZrO2 and α-Al2O3.The nanoAl2O3 have a obvious effect on the strength and toughness of ZrO2 based ceramics. The reason of strengthening and toughening mainly the additions reduced the ZrO2 grains growth and promoted grains size uniformity, and changed the fracture mode from transgranular fracture to intergranular fracture characteristics.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 3038352047</identifier><identifier>ISBN: 9783038352044</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.618.3</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Ceramics ; Dental materials ; Fracture toughness ; Mechanical properties ; Microstructure ; Nanostructure ; Toughening ; Zirconium dioxide</subject><ispartof>Applied Mechanics and Materials, 2014-08, Vol.618 (Materials, Machines and Development of Technologies for Industrial Production), p.3-7</ispartof><rights>2014 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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The influence of variety content of nanoAl2O3 on mechanical properties and microstructure of ZrO2 dental materials were studied, and analysied the mutual relations of chemical composition, mechanical properties and microstructure to investigate the reason of strengthening and toughening. Results indicated that The relative density of the Al2O3(x)/ZrO2 composite ceramics reached more than 96.8%.The HV hardness ,bending strength and fracture toughness presented excellent mechanical properties as 12.5GPa, 753.8MPa and 11.8MPa·m1/2 with the content of nanoAl2O3 was 7.5%. Compared with that of pure ZrO2 ceramics, the bending strength and the fracture toughness were improved 19% and 96%, respectively. The main crystal phases in this composite ceramics were t-ZrO2 and α-Al2O3.The nanoAl2O3 have a obvious effect on the strength and toughness of ZrO2 based ceramics. The reason of strengthening and toughening mainly the additions reduced the ZrO2 grains growth and promoted grains size uniformity, and changed the fracture mode from transgranular fracture to intergranular fracture characteristics.</description><subject>Ceramics</subject><subject>Dental materials</subject><subject>Fracture toughness</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Nanostructure</subject><subject>Toughening</subject><subject>Zirconium dioxide</subject><issn>1660-9336</issn><issn>1662-7482</issn><issn>1662-7482</issn><isbn>3038352047</isbn><isbn>9783038352044</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkV1LHDEUhkNtoWr9D4F64c2M-ZhkMiCFxdpWcLuF6o03IZM90ciYWZNMF_99M13B0qtehZDnPXk5D0LHlNQNYep0u93WyXoI2Ttv6wD5dLFc1pKqmr9B-1RKVrWNYnvogBOuuGCkad_-eSBVx7l8jw5SeiBENrRR-yheOAc249Hh7yaM1WJgK47HgPM94KW3cUw5TjZPEbAJa_wjjhuI2UOaI7dxxfDnUsYMeGkyRG-GVBjYmAhr3D_vRmzNL8A_fZiBcPcBvXMFg6OX8xDdfLm4Pv9WXa2-Xp4vripbeueKCdFQ3gnHlBCstYpYqXpLFW87Q1VLHG-JXNPWiJ4wbqlzXPZrTnun2Hw5RCe7uZs4Pk2Qsn70ycIwmADjlDRVshGKc9EV9OM_6MM4xVDaFYqJrpOyk4U621HzVlIEpzfRP5r4rCnRsx1d7OhXO7rY0cWOLnY0L_FPu3iOJqQM9v6vX_5nwG_OwZ1B</recordid><startdate>20140818</startdate><enddate>20140818</enddate><creator>Xie, Xiang Hua</creator><creator>Liang, Bing Liang</creator><creator>He, Wen</creator><creator>Ai, Yun Long</creator><creator>Chen, Wei Hua</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7QF</scope></search><sort><creationdate>20140818</creationdate><title>Effect of Nano-Al2O3 on the Microstructure and Properties of ZrO2 Dental Materials Prepared by Microwave Sintering</title><author>Xie, Xiang Hua ; Liang, Bing Liang ; He, Wen ; Ai, Yun Long ; Chen, Wei Hua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-25541395f285527c80c68bc18379a1870f3706d17a5b023c1ff36bd31bf821ff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Ceramics</topic><topic>Dental materials</topic><topic>Fracture toughness</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Nanostructure</topic><topic>Toughening</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xie, Xiang Hua</creatorcontrib><creatorcontrib>Liang, Bing Liang</creatorcontrib><creatorcontrib>He, Wen</creatorcontrib><creatorcontrib>Ai, Yun Long</creatorcontrib><creatorcontrib>Chen, Wei Hua</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Continental Europe Database</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Aluminium Industry Abstracts</collection><jtitle>Applied Mechanics and Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xie, Xiang Hua</au><au>Liang, Bing Liang</au><au>He, Wen</au><au>Ai, Yun Long</au><au>Chen, Wei Hua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Nano-Al2O3 on the Microstructure and Properties of ZrO2 Dental Materials Prepared by Microwave Sintering</atitle><jtitle>Applied Mechanics and Materials</jtitle><date>2014-08-18</date><risdate>2014</risdate><volume>618</volume><issue>Materials, Machines and Development of Technologies for Industrial Production</issue><spage>3</spage><epage>7</epage><pages>3-7</pages><issn>1660-9336</issn><issn>1662-7482</issn><eissn>1662-7482</eissn><isbn>3038352047</isbn><isbn>9783038352044</isbn><abstract>Al2O3(x)/ZrO2 composite ceramics were successfully prepared by microwave sintering. The influence of variety content of nanoAl2O3 on mechanical properties and microstructure of ZrO2 dental materials were studied, and analysied the mutual relations of chemical composition, mechanical properties and microstructure to investigate the reason of strengthening and toughening. Results indicated that The relative density of the Al2O3(x)/ZrO2 composite ceramics reached more than 96.8%.The HV hardness ,bending strength and fracture toughness presented excellent mechanical properties as 12.5GPa, 753.8MPa and 11.8MPa·m1/2 with the content of nanoAl2O3 was 7.5%. Compared with that of pure ZrO2 ceramics, the bending strength and the fracture toughness were improved 19% and 96%, respectively. The main crystal phases in this composite ceramics were t-ZrO2 and α-Al2O3.The nanoAl2O3 have a obvious effect on the strength and toughness of ZrO2 based ceramics. The reason of strengthening and toughening mainly the additions reduced the ZrO2 grains growth and promoted grains size uniformity, and changed the fracture mode from transgranular fracture to intergranular fracture characteristics.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AMM.618.3</doi><tpages>5</tpages></addata></record> |
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| subjects | Ceramics Dental materials Fracture toughness Mechanical properties Microstructure Nanostructure Toughening Zirconium dioxide |
| title | Effect of Nano-Al2O3 on the Microstructure and Properties of ZrO2 Dental Materials Prepared by Microwave Sintering |
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