Microstructure and mechanical properties of 8YSZ ceramics by liquid-phase sintering with CuO-TiO2 addition
The 8% （mass fraction） yttrium-partially-stabilized zirconia （8YSZ） ceramic was fabricated via liquid phase sintering at 1 200-1 400℃ by adding different mass ratios of CuO-16.7%TiO2 （molar fraction） as sintering aid. Relative density, microstructure, Vickers hardness and bending strength as a funct...
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| Veröffentlicht in: | Journal of Central South University 2012-05, Vol.19 (5), p.1196-1201 |
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| creator | 周宏明 郭雁军 李荐 易丹青 肖来荣 |
| description | The 8% （mass fraction） yttrium-partially-stabilized zirconia （8YSZ） ceramic was fabricated via liquid phase sintering at 1 200-1 400℃ by adding different mass ratios of CuO-16.7%TiO2 （molar fraction） as sintering aid. Relative density, microstructure, Vickers hardness and bending strength as a function of sintering temperature and additive content were investigated. The experiment results show that liquid phase sintering at low temperature can be realized through adding CUO-16.7% TiO2 to 8YSZ. The Vickers hardness and bending strength of samples with sintering aid are generally much higher than those of samples without sintering aid for all sintering temperatures, and increase with the increase of sintering temperature. When the addition content of CUO-16.7% TiO2 is beyond 0.5%, the relative density, Vickers hardness and bending strength decrease with the increase of the mass ratio of sintering aid. Low additions of sintering aid are beneficial to aiding densification; high additions of sintering aid are detrimental to the sintered properties mainly due to greater amounts of pores generated by the volatilization of oxygen with the eutectic reaction between copper oxide and titanium dioxide. It is found that the fine grain size and high relative density are two main reasons of the high bending strength and Vickers hardness of the materials. |
| doi_str_mv | 10.1007/s11771-012-1128-9 |
| format | Article |
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Relative density, microstructure, Vickers hardness and bending strength as a function of sintering temperature and additive content were investigated. The experiment results show that liquid phase sintering at low temperature can be realized through adding CUO-16.7% TiO2 to 8YSZ. The Vickers hardness and bending strength of samples with sintering aid are generally much higher than those of samples without sintering aid for all sintering temperatures, and increase with the increase of sintering temperature. When the addition content of CUO-16.7% TiO2 is beyond 0.5%, the relative density, Vickers hardness and bending strength decrease with the increase of the mass ratio of sintering aid. Low additions of sintering aid are beneficial to aiding densification; high additions of sintering aid are detrimental to the sintered properties mainly due to greater amounts of pores generated by the volatilization of oxygen with the eutectic reaction between copper oxide and titanium dioxide. It is found that the fine grain size and high relative density are two main reasons of the high bending strength and Vickers hardness of the materials.</description><identifier>ISSN: 1005-9784</identifier><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-012-1128-9</identifier><language>eng</language><publisher>Heidelberg: Central South University</publisher><subject>8YSZ ; CuO ; Engineering ; Metallic Materials ; 二氧化钛 ; 力学性能 ; 显微组织 ; 液相烧结 ; 部分稳定氧化锆 ; 陶瓷</subject><ispartof>Journal of Central South University, 2012-05, Vol.19 (5), p.1196-1201</ispartof><rights>Central South University Press and Springer-Verlag Berlin Heidelberg 2012</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-de3d6216e4055f0fa1a409ee4d2e5493e29bd12af674594f00988833c5a31a9c3</citedby><cites>FETCH-LOGICAL-c350t-de3d6216e4055f0fa1a409ee4d2e5493e29bd12af674594f00988833c5a31a9c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85521A/85521A.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11771-012-1128-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11771-012-1128-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>周宏明 郭雁军 李荐 易丹青 肖来荣</creatorcontrib><title>Microstructure and mechanical properties of 8YSZ ceramics by liquid-phase sintering with CuO-TiO2 addition</title><title>Journal of Central South University</title><addtitle>J. Cent. South Univ. Technol</addtitle><addtitle>Journal of Central South University of Technology</addtitle><description>The 8% （mass fraction） yttrium-partially-stabilized zirconia （8YSZ） ceramic was fabricated via liquid phase sintering at 1 200-1 400℃ by adding different mass ratios of CuO-16.7%TiO2 （molar fraction） as sintering aid. Relative density, microstructure, Vickers hardness and bending strength as a function of sintering temperature and additive content were investigated. The experiment results show that liquid phase sintering at low temperature can be realized through adding CUO-16.7% TiO2 to 8YSZ. The Vickers hardness and bending strength of samples with sintering aid are generally much higher than those of samples without sintering aid for all sintering temperatures, and increase with the increase of sintering temperature. When the addition content of CUO-16.7% TiO2 is beyond 0.5%, the relative density, Vickers hardness and bending strength decrease with the increase of the mass ratio of sintering aid. Low additions of sintering aid are beneficial to aiding densification; high additions of sintering aid are detrimental to the sintered properties mainly due to greater amounts of pores generated by the volatilization of oxygen with the eutectic reaction between copper oxide and titanium dioxide. It is found that the fine grain size and high relative density are two main reasons of the high bending strength and Vickers hardness of the materials.</description><subject>8YSZ</subject><subject>CuO</subject><subject>Engineering</subject><subject>Metallic Materials</subject><subject>二氧化钛</subject><subject>力学性能</subject><subject>显微组织</subject><subject>液相烧结</subject><subject>部分稳定氧化锆</subject><subject>陶瓷</subject><issn>1005-9784</issn><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kDtPwzAURi0EEhX0B7CZGRn8iBN7RBUvCdSBMsBiufZNa9Q6wU5Ey68nVRFsTF6-c498EDpj9JJRWl1lxqqKEco4YYwrog_QiHNeEcm5OESjYSSJrlRxjMY5hzllSnFdSTVC70_BpSZ3qXddnwDb6PEa3NLG4OwKt6lpIXUBMm5qrF6f37CDZNfBZTzf4lX46IMn7dJmwDnEDlKIC_wZuiWe9FMyC1OOrfehC008RUe1XWUY_7wn6OX2Zja5J4_Tu4fJ9SNxQtKOeBC-5KyEgkpZ09oyW1ANUHgOstACuJ57xm1dVoXURU2pVkoJ4aQVzGonTtDF_u6njbWNC_Pe9CkORvMVF1u_2cwN8KEVlUOWYc32612GnKA2bQprm7aGUbOra_Z1zUCYXV2jB4bvmdzu_gvpT_EfdP4jWjZx8TFwv6aClbSUlRDfqqCIjw</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>周宏明 郭雁军 李荐 易丹青 肖来荣</creator><general>Central South University</general><general>School of Materials Science and Engineering, Central South University, Changsha 410083, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20120501</creationdate><title>Microstructure and mechanical properties of 8YSZ ceramics by liquid-phase sintering with CuO-TiO2 addition</title><author>周宏明 郭雁军 李荐 易丹青 肖来荣</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-de3d6216e4055f0fa1a409ee4d2e5493e29bd12af674594f00988833c5a31a9c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>8YSZ</topic><topic>CuO</topic><topic>Engineering</topic><topic>Metallic Materials</topic><topic>二氧化钛</topic><topic>力学性能</topic><topic>显微组织</topic><topic>液相烧结</topic><topic>部分稳定氧化锆</topic><topic>陶瓷</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>周宏明 郭雁军 李荐 易丹青 肖来荣</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>周宏明 郭雁军 李荐 易丹青 肖来荣</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and mechanical properties of 8YSZ ceramics by liquid-phase sintering with CuO-TiO2 addition</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ. Technol</stitle><addtitle>Journal of Central South University of Technology</addtitle><date>2012-05-01</date><risdate>2012</risdate><volume>19</volume><issue>5</issue><spage>1196</spage><epage>1201</epage><pages>1196-1201</pages><issn>1005-9784</issn><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>The 8% （mass fraction） yttrium-partially-stabilized zirconia （8YSZ） ceramic was fabricated via liquid phase sintering at 1 200-1 400℃ by adding different mass ratios of CuO-16.7%TiO2 （molar fraction） as sintering aid. Relative density, microstructure, Vickers hardness and bending strength as a function of sintering temperature and additive content were investigated. The experiment results show that liquid phase sintering at low temperature can be realized through adding CUO-16.7% TiO2 to 8YSZ. The Vickers hardness and bending strength of samples with sintering aid are generally much higher than those of samples without sintering aid for all sintering temperatures, and increase with the increase of sintering temperature. When the addition content of CUO-16.7% TiO2 is beyond 0.5%, the relative density, Vickers hardness and bending strength decrease with the increase of the mass ratio of sintering aid. Low additions of sintering aid are beneficial to aiding densification; high additions of sintering aid are detrimental to the sintered properties mainly due to greater amounts of pores generated by the volatilization of oxygen with the eutectic reaction between copper oxide and titanium dioxide. It is found that the fine grain size and high relative density are two main reasons of the high bending strength and Vickers hardness of the materials.</abstract><cop>Heidelberg</cop><pub>Central South University</pub><doi>10.1007/s11771-012-1128-9</doi><tpages>6</tpages></addata></record> |
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| subjects | 8YSZ CuO Engineering Metallic Materials 二氧化钛 力学性能 显微组织 液相烧结 部分稳定氧化锆 陶瓷 |
| title | Microstructure and mechanical properties of 8YSZ ceramics by liquid-phase sintering with CuO-TiO2 addition |
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