Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics
▶ PCS was used to prepare Al2O3/SiC nano-composites. ▶ Nano-composite showed high strength compared with monolithic Al2O3. ▶ Strengthening mechanism included refined structure and residual stress. The processing and mechanical behaviors of Al2O3-xwt.%SiC (x=1, 2, 5, ASx) nano-composites prepared by...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2011-03, Vol.528 (6), p.2246-2249 |
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| container_issue | 6 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Shi, Xiaolei Dong, Yali Xu, Fumin Tan, Yi Wang, Lai Yang, Jenn-ming |
| description | ▶ PCS was used to prepare Al2O3/SiC nano-composites. ▶ Nano-composite showed high strength compared with monolithic Al2O3. ▶ Strengthening mechanism included refined structure and residual stress.
The processing and mechanical behaviors of Al2O3-xwt.%SiC (x=1, 2, 5, ASx) nano-composites prepared by the in situ synthesis of SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The microstructure and mechanical properties of the sintered composites were analyzed. The results showed that a fully dense structure was obtained when a few nano-SiC were doped and that the fracture toughness and strength were highly improved compared with those of monolithic Al2O3. The fracture toughness reached 5.1MPa m1/2 in AS2 composite. The maximum flexural strength was 516MPa obtained in AS1 composite. |
| doi_str_mv | 10.1016/j.msea.2010.11.085 |
| format | Article |
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The processing and mechanical behaviors of Al2O3-xwt.%SiC (x=1, 2, 5, ASx) nano-composites prepared by the in situ synthesis of SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The microstructure and mechanical properties of the sintered composites were analyzed. The results showed that a fully dense structure was obtained when a few nano-SiC were doped and that the fracture toughness and strength were highly improved compared with those of monolithic Al2O3. The fracture toughness reached 5.1MPa m1/2 in AS2 composite. The maximum flexural strength was 516MPa obtained in AS1 composite.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2010.11.085</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Al2O3–SiC ; Aluminum oxide ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Flexural strength ; Fracture toughness ; Materials science ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of nanoscale materials ; Microstructure ; Modulus of rupture in bending ; Nanocomposites ; Nanomaterials ; Nanostructure ; Physics ; Polycarbosilane ; Silicon carbide ; Strengthening</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2011-03, Vol.528 (6), p.2246-2249</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-d5b298f45e674b6d3e220e5e73d35ec84b56d6e89f1c4502aac1b2a13176a0ef3</citedby><cites>FETCH-LOGICAL-c427t-d5b298f45e674b6d3e220e5e73d35ec84b56d6e89f1c4502aac1b2a13176a0ef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2010.11.085$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23872040$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Shi, Xiaolei</creatorcontrib><creatorcontrib>Dong, Yali</creatorcontrib><creatorcontrib>Xu, Fumin</creatorcontrib><creatorcontrib>Tan, Yi</creatorcontrib><creatorcontrib>Wang, Lai</creatorcontrib><creatorcontrib>Yang, Jenn-ming</creatorcontrib><title>Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>▶ PCS was used to prepare Al2O3/SiC nano-composites. ▶ Nano-composite showed high strength compared with monolithic Al2O3. ▶ Strengthening mechanism included refined structure and residual stress.
The processing and mechanical behaviors of Al2O3-xwt.%SiC (x=1, 2, 5, ASx) nano-composites prepared by the in situ synthesis of SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The microstructure and mechanical properties of the sintered composites were analyzed. The results showed that a fully dense structure was obtained when a few nano-SiC were doped and that the fracture toughness and strength were highly improved compared with those of monolithic Al2O3. The fracture toughness reached 5.1MPa m1/2 in AS2 composite. The maximum flexural strength was 516MPa obtained in AS1 composite.</description><subject>Al2O3–SiC</subject><subject>Aluminum oxide</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Flexural strength</subject><subject>Fracture toughness</subject><subject>Materials science</subject><subject>Mechanical and acoustical properties of condensed matter</subject><subject>Mechanical properties of nanoscale materials</subject><subject>Microstructure</subject><subject>Modulus of rupture in bending</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Physics</subject><subject>Polycarbosilane</subject><subject>Silicon carbide</subject><subject>Strengthening</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkU1LxDAQhoMouH78AU-9iF66Tj6bghdZ_AJFQT2HbDrVLG1Skyr47-2y4lFPA8PzzgzzEHJEYU6BqrPVvM9o5wzWDToHLbfIjOqKl6LmapvMoGa0lFDzXbKX8woAqAA5I_ePCQeb7OhjKGxoiiHFAdPoMRexLYINsXzyiyKPCcPr-IbBh9fiomMPvHCxH2L2IxYOk-29ywdkp7VdxsOfuk9eri6fFzfl3cP17eLirnSCVWPZyCWrdSskqkosVcORMUCJFW-4RKfFUqpGoa5b6oQEZq2jS2Ypp5WygC3fJyebudO17x-YR9P77LDrbMD4kY2uFQPQVP9PKiEmFKqJPP2TpKpmAlTF1ISyDepSzDlha4bke5u-DAWz9mFWZu3DrH0YSs3kYwod_8y32dmuTTY4n3-TjOuKgYCJO99wOD3w02My2XkMDhuf0I2mif6vNd-l8J-t</recordid><startdate>20110315</startdate><enddate>20110315</enddate><creator>Shi, Xiaolei</creator><creator>Dong, Yali</creator><creator>Xu, Fumin</creator><creator>Tan, Yi</creator><creator>Wang, Lai</creator><creator>Yang, Jenn-ming</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110315</creationdate><title>Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics</title><author>Shi, Xiaolei ; Dong, Yali ; Xu, Fumin ; Tan, Yi ; Wang, Lai ; Yang, Jenn-ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c427t-d5b298f45e674b6d3e220e5e73d35ec84b56d6e89f1c4502aac1b2a13176a0ef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Al2O3–SiC</topic><topic>Aluminum oxide</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Flexural strength</topic><topic>Fracture toughness</topic><topic>Materials science</topic><topic>Mechanical and acoustical properties of condensed matter</topic><topic>Mechanical properties of nanoscale materials</topic><topic>Microstructure</topic><topic>Modulus of rupture in bending</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Physics</topic><topic>Polycarbosilane</topic><topic>Silicon carbide</topic><topic>Strengthening</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shi, Xiaolei</creatorcontrib><creatorcontrib>Dong, Yali</creatorcontrib><creatorcontrib>Xu, Fumin</creatorcontrib><creatorcontrib>Tan, Yi</creatorcontrib><creatorcontrib>Wang, Lai</creatorcontrib><creatorcontrib>Yang, Jenn-ming</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shi, Xiaolei</au><au>Dong, Yali</au><au>Xu, Fumin</au><au>Tan, Yi</au><au>Wang, Lai</au><au>Yang, Jenn-ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2011-03-15</date><risdate>2011</risdate><volume>528</volume><issue>6</issue><spage>2246</spage><epage>2249</epage><pages>2246-2249</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>▶ PCS was used to prepare Al2O3/SiC nano-composites. ▶ Nano-composite showed high strength compared with monolithic Al2O3. ▶ Strengthening mechanism included refined structure and residual stress.
The processing and mechanical behaviors of Al2O3-xwt.%SiC (x=1, 2, 5, ASx) nano-composites prepared by the in situ synthesis of SiC from polycarbosilane (PCS) were investigated. The composites were densified by hot pressing. The microstructure and mechanical properties of the sintered composites were analyzed. The results showed that a fully dense structure was obtained when a few nano-SiC were doped and that the fracture toughness and strength were highly improved compared with those of monolithic Al2O3. The fracture toughness reached 5.1MPa m1/2 in AS2 composite. The maximum flexural strength was 516MPa obtained in AS1 composite.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2010.11.085</doi><tpages>4</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2011-03, Vol.528 (6), p.2246-2249 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Al2O3–SiC Aluminum oxide Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Flexural strength Fracture toughness Materials science Mechanical and acoustical properties of condensed matter Mechanical properties of nanoscale materials Microstructure Modulus of rupture in bending Nanocomposites Nanomaterials Nanostructure Physics Polycarbosilane Silicon carbide Strengthening |
| title | Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics |
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