Flash sintering of 3YSZ/Al2O3‐platelet composites
Preparation of 3YSZ/Al2O3‐platelet composites always requires high temperature, long duration, and/or high pressure. Herein, 3YSZ/Al2O3‐platelet composites are prepared at low temperature of 492°C‐645°C in 30 seconds by flash sintering under the electric field of 300‐800 V/cm. The influence of elect...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2020-04, Vol.103 (4), p.2351-2361 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Jia, Yongjie Su, Xinghua Wu, Yajuan Wang, Zhenjun Meng, Leichao Xu, Xiqing Zhang, Anni |
| description | Preparation of 3YSZ/Al2O3‐platelet composites always requires high temperature, long duration, and/or high pressure. Herein, 3YSZ/Al2O3‐platelet composites are prepared at low temperature of 492°C‐645°C in 30 seconds by flash sintering under the electric field of 300‐800 V/cm. The influence of electric field and current limit on the densification and grain growth of composites is investigated. The onset temperature for flash sintering is determined by electric field, which is decreased with increasing the electric field. Under the constant electric field, the current limit has a great effect on the density and grain size of composite. The flash‐sintered 3YSZ/Al2O3‐platelet composites exhibit relatively high hardness and elastic modulus. Both Joule heating and defects generation are proposed to be responsible for the rapid densification in flash sintering. This work demonstrates the feasibility of employing the flash sintering to prepare ceramic composites with fine grain size. |
| doi_str_mv | 10.1111/jace.16929 |
| format | Article |
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Herein, 3YSZ/Al2O3‐platelet composites are prepared at low temperature of 492°C‐645°C in 30 seconds by flash sintering under the electric field of 300‐800 V/cm. The influence of electric field and current limit on the densification and grain growth of composites is investigated. The onset temperature for flash sintering is determined by electric field, which is decreased with increasing the electric field. Under the constant electric field, the current limit has a great effect on the density and grain size of composite. The flash‐sintered 3YSZ/Al2O3‐platelet composites exhibit relatively high hardness and elastic modulus. Both Joule heating and defects generation are proposed to be responsible for the rapid densification in flash sintering. This work demonstrates the feasibility of employing the flash sintering to prepare ceramic composites with fine grain size.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.16929</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>Aluminum oxide ; ceramic matrix composites ; Composite materials ; Crystal defects ; defects ; Densification ; Electric fields ; flash sintering ; Grain growth ; Grain size ; High temperature ; Low temperature ; Modulus of elasticity ; Ohmic dissipation ; Resistance heating ; Resistance sintering ; Sintering</subject><ispartof>Journal of the American Ceramic Society, 2020-04, Vol.103 (4), p.2351-2361</ispartof><rights>2019 The American Ceramic Society</rights><rights>2020 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-7028-0560</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.16929$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.16929$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Jia, Yongjie</creatorcontrib><creatorcontrib>Su, Xinghua</creatorcontrib><creatorcontrib>Wu, Yajuan</creatorcontrib><creatorcontrib>Wang, Zhenjun</creatorcontrib><creatorcontrib>Meng, Leichao</creatorcontrib><creatorcontrib>Xu, Xiqing</creatorcontrib><creatorcontrib>Zhang, Anni</creatorcontrib><title>Flash sintering of 3YSZ/Al2O3‐platelet composites</title><title>Journal of the American Ceramic Society</title><description>Preparation of 3YSZ/Al2O3‐platelet composites always requires high temperature, long duration, and/or high pressure. Herein, 3YSZ/Al2O3‐platelet composites are prepared at low temperature of 492°C‐645°C in 30 seconds by flash sintering under the electric field of 300‐800 V/cm. The influence of electric field and current limit on the densification and grain growth of composites is investigated. The onset temperature for flash sintering is determined by electric field, which is decreased with increasing the electric field. Under the constant electric field, the current limit has a great effect on the density and grain size of composite. The flash‐sintered 3YSZ/Al2O3‐platelet composites exhibit relatively high hardness and elastic modulus. Both Joule heating and defects generation are proposed to be responsible for the rapid densification in flash sintering. This work demonstrates the feasibility of employing the flash sintering to prepare ceramic composites with fine grain size.</description><subject>Aluminum oxide</subject><subject>ceramic matrix composites</subject><subject>Composite materials</subject><subject>Crystal defects</subject><subject>defects</subject><subject>Densification</subject><subject>Electric fields</subject><subject>flash sintering</subject><subject>Grain growth</subject><subject>Grain size</subject><subject>High temperature</subject><subject>Low temperature</subject><subject>Modulus of elasticity</subject><subject>Ohmic dissipation</subject><subject>Resistance heating</subject><subject>Resistance sintering</subject><subject>Sintering</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNotkEFOwzAQRS0EEqGw4QSRWKe1x3YSL6OqpaBKXQAL2FhObEMiNwlxKtQdR-CMnAS3ZTYzI339-fMQuiV4SkLNGlWZKUkFiDMUEc5JAoKk5yjCGEOS5YAv0ZX3TViJyFmE6NIp_xH7uh3NULfvcWdj-vr0NiscbOjv90_v1GicGeOq2_adr0fjr9GFVc6bm_8-QS_LxfN8law39w_zYp30AFwkJQYlNM5YqojignFTihAAsMakYnklBC6trjCUFU1zbY0murSW0YynXEFOJ-ju5NsP3efO-FE23W5ow0kJlIcHKBMsqMhJ9VU7s5f9UG_VsJcEywMReSAij0TkYzFfHCf6B6w0VRo</recordid><startdate>202004</startdate><enddate>202004</enddate><creator>Jia, Yongjie</creator><creator>Su, Xinghua</creator><creator>Wu, Yajuan</creator><creator>Wang, Zhenjun</creator><creator>Meng, Leichao</creator><creator>Xu, Xiqing</creator><creator>Zhang, Anni</creator><general>Wiley Subscription Services, Inc</general><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-7028-0560</orcidid></search><sort><creationdate>202004</creationdate><title>Flash sintering of 3YSZ/Al2O3‐platelet composites</title><author>Jia, Yongjie ; Su, Xinghua ; Wu, Yajuan ; Wang, Zhenjun ; Meng, Leichao ; Xu, Xiqing ; Zhang, Anni</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2259-b02a9d0746a1a5945eb982020d01c48c990bfdc02bc368dfed1dbff437565a283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aluminum oxide</topic><topic>ceramic matrix composites</topic><topic>Composite materials</topic><topic>Crystal defects</topic><topic>defects</topic><topic>Densification</topic><topic>Electric fields</topic><topic>flash sintering</topic><topic>Grain growth</topic><topic>Grain size</topic><topic>High temperature</topic><topic>Low temperature</topic><topic>Modulus of elasticity</topic><topic>Ohmic dissipation</topic><topic>Resistance heating</topic><topic>Resistance sintering</topic><topic>Sintering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jia, Yongjie</creatorcontrib><creatorcontrib>Su, Xinghua</creatorcontrib><creatorcontrib>Wu, Yajuan</creatorcontrib><creatorcontrib>Wang, Zhenjun</creatorcontrib><creatorcontrib>Meng, Leichao</creatorcontrib><creatorcontrib>Xu, Xiqing</creatorcontrib><creatorcontrib>Zhang, Anni</creatorcontrib><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>Jia, Yongjie</au><au>Su, Xinghua</au><au>Wu, Yajuan</au><au>Wang, Zhenjun</au><au>Meng, Leichao</au><au>Xu, Xiqing</au><au>Zhang, Anni</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flash sintering of 3YSZ/Al2O3‐platelet composites</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2020-04</date><risdate>2020</risdate><volume>103</volume><issue>4</issue><spage>2351</spage><epage>2361</epage><pages>2351-2361</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>Preparation of 3YSZ/Al2O3‐platelet composites always requires high temperature, long duration, and/or high pressure. Herein, 3YSZ/Al2O3‐platelet composites are prepared at low temperature of 492°C‐645°C in 30 seconds by flash sintering under the electric field of 300‐800 V/cm. The influence of electric field and current limit on the densification and grain growth of composites is investigated. The onset temperature for flash sintering is determined by electric field, which is decreased with increasing the electric field. Under the constant electric field, the current limit has a great effect on the density and grain size of composite. The flash‐sintered 3YSZ/Al2O3‐platelet composites exhibit relatively high hardness and elastic modulus. Both Joule heating and defects generation are proposed to be responsible for the rapid densification in flash sintering. This work demonstrates the feasibility of employing the flash sintering to prepare ceramic composites with fine grain size.</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jace.16929</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-7028-0560</orcidid></addata></record> |
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| subjects | Aluminum oxide ceramic matrix composites Composite materials Crystal defects defects Densification Electric fields flash sintering Grain growth Grain size High temperature Low temperature Modulus of elasticity Ohmic dissipation Resistance heating Resistance sintering Sintering |
| title | Flash sintering of 3YSZ/Al2O3‐platelet composites |
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