Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites
Ti3AlC2 has low density, high elastic modulus, quasi‐ductility, and excellent oxidation resistance. However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2–Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid‐liquid reacti...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2012-07, Vol.95 (7), p.2314-2321 |
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| creator | Zhan, Xun Li, Zhen Gao, Zenghua Zheng, Liya Wang, Xiaohui Wang, Jingyang Zhou, Yanchun |
| description | Ti3AlC2 has low density, high elastic modulus, quasi‐ductility, and excellent oxidation resistance. However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2–Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid‐liquid reaction using Ti, Al, C, and Y2O3 as initial materials. We investigated the in situ formation process of Y4Al2O9, and studied the change of microstructure and optimization of mechanical properties of the Ti3AlC2–Y4Al2O9 composites. The grain size and aspect ratio of Ti3AlC2 grains are significantly reduced in Ti3AlC2–Y4Al2O9 composites, which is the source of higher strength from room temperature to elevated temperatures. The Ti3AlC2‐5 wt%Y4Al2O9 composite shows better optimization in its mechanical properties than other studied composites. In addition, there is an improvement in strength without debit in toughness of the composite. |
| doi_str_mv | 10.1111/j.1551-2916.2012.05252.x |
| format | Article |
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However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2–Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid‐liquid reaction using Ti, Al, C, and Y2O3 as initial materials. We investigated the in situ formation process of Y4Al2O9, and studied the change of microstructure and optimization of mechanical properties of the Ti3AlC2–Y4Al2O9 composites. The grain size and aspect ratio of Ti3AlC2 grains are significantly reduced in Ti3AlC2–Y4Al2O9 composites, which is the source of higher strength from room temperature to elevated temperatures. The Ti3AlC2‐5 wt%Y4Al2O9 composite shows better optimization in its mechanical properties than other studied composites. In addition, there is an improvement in strength without debit in toughness of the composite.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1551-2916.2012.05252.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Columbus: Blackwell Publishing Ltd</publisher><subject>Aluminum ; Composite materials ; Density ; Elastic modulus ; Mechanical properties ; Microstructure ; Optimization ; Oxidation ; Oxidation resistance ; Particulate composites ; Strength ; Temperature</subject><ispartof>Journal of the American Ceramic Society, 2012-07, Vol.95 (7), p.2314-2321</ispartof><rights>2012 The American Ceramic Society</rights><rights>Copyright American Ceramic Society Jul 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1551-2916.2012.05252.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1551-2916.2012.05252.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids></links><search><contributor>Parthasarathy, T.</contributor><creatorcontrib>Zhan, Xun</creatorcontrib><creatorcontrib>Li, Zhen</creatorcontrib><creatorcontrib>Gao, Zenghua</creatorcontrib><creatorcontrib>Zheng, Liya</creatorcontrib><creatorcontrib>Wang, Xiaohui</creatorcontrib><creatorcontrib>Wang, Jingyang</creatorcontrib><creatorcontrib>Zhou, Yanchun</creatorcontrib><title>Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites</title><title>Journal of the American Ceramic Society</title><addtitle>J. Am. Ceram. Soc</addtitle><description>Ti3AlC2 has low density, high elastic modulus, quasi‐ductility, and excellent oxidation resistance. However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2–Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid‐liquid reaction using Ti, Al, C, and Y2O3 as initial materials. We investigated the in situ formation process of Y4Al2O9, and studied the change of microstructure and optimization of mechanical properties of the Ti3AlC2–Y4Al2O9 composites. The grain size and aspect ratio of Ti3AlC2 grains are significantly reduced in Ti3AlC2–Y4Al2O9 composites, which is the source of higher strength from room temperature to elevated temperatures. The Ti3AlC2‐5 wt%Y4Al2O9 composite shows better optimization in its mechanical properties than other studied composites. In addition, there is an improvement in strength without debit in toughness of the composite.</description><subject>Aluminum</subject><subject>Composite materials</subject><subject>Density</subject><subject>Elastic modulus</subject><subject>Mechanical properties</subject><subject>Microstructure</subject><subject>Optimization</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Particulate composites</subject><subject>Strength</subject><subject>Temperature</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkc1LwzAchoMoOKf_Q8GLl9Z8p7kIo_g99LCp6CXELpmZXTubDlf_elMnQ7wsl19-vA8PCS8AEYIJCud0liDGUIwl4gmGCCeQYYaT1Q7obYJd0IMQ4likGO6DA-9nYUUypT1wNWpqU06bN1O6chqNHRkUGY5e2-i6jEauWUajtgypd19_8viZDgp8L6Osmi8q7xrjD8Ge1YU3R7-zDx4uzsfZVTy8v7zOBsPYkfCy2OYCWUssNTaHKM9TOtFC5ELmXPNcWptqijSyxkLIpETUvlqIjNSQQkPIhPTBydq7qKuPpfGNmjufm6LQpamWXiEuMeGc0nQ7SiUlmBHKtqOYc8FSDnlAj_-hs2pZl-HPCkFM02AVJFBna-rTFaZVi9rNdd0GQnWtqZnqylFdOaprTf20plbqZpCdd9cgiNcC5xuz2gh0_a64IIKpp7tLdcFfbm4lGqtH8g1WnZlY</recordid><startdate>201207</startdate><enddate>201207</enddate><creator>Zhan, Xun</creator><creator>Li, Zhen</creator><creator>Gao, Zenghua</creator><creator>Zheng, Liya</creator><creator>Wang, Xiaohui</creator><creator>Wang, Jingyang</creator><creator>Zhou, Yanchun</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>201207</creationdate><title>Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites</title><author>Zhan, Xun ; Li, Zhen ; Gao, Zenghua ; Zheng, Liya ; Wang, Xiaohui ; Wang, Jingyang ; Zhou, Yanchun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i3052-fc71ff3f4efc01cc84da77c79c6a6c9ff8a41a1fef0059914fbf01e9a040e33d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Aluminum</topic><topic>Composite materials</topic><topic>Density</topic><topic>Elastic modulus</topic><topic>Mechanical properties</topic><topic>Microstructure</topic><topic>Optimization</topic><topic>Oxidation</topic><topic>Oxidation resistance</topic><topic>Particulate composites</topic><topic>Strength</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhan, Xun</creatorcontrib><creatorcontrib>Li, Zhen</creatorcontrib><creatorcontrib>Gao, Zenghua</creatorcontrib><creatorcontrib>Zheng, Liya</creatorcontrib><creatorcontrib>Wang, Xiaohui</creatorcontrib><creatorcontrib>Wang, Jingyang</creatorcontrib><creatorcontrib>Zhou, Yanchun</creatorcontrib><collection>Istex</collection><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>Zhan, Xun</au><au>Li, Zhen</au><au>Gao, Zenghua</au><au>Zheng, Liya</au><au>Wang, Xiaohui</au><au>Wang, Jingyang</au><au>Zhou, Yanchun</au><au>Parthasarathy, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2012-07</date><risdate>2012</risdate><volume>95</volume><issue>7</issue><spage>2314</spage><epage>2321</epage><pages>2314-2321</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>Ti3AlC2 has low density, high elastic modulus, quasi‐ductility, and excellent oxidation resistance. However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2–Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid‐liquid reaction using Ti, Al, C, and Y2O3 as initial materials. We investigated the in situ formation process of Y4Al2O9, and studied the change of microstructure and optimization of mechanical properties of the Ti3AlC2–Y4Al2O9 composites. The grain size and aspect ratio of Ti3AlC2 grains are significantly reduced in Ti3AlC2–Y4Al2O9 composites, which is the source of higher strength from room temperature to elevated temperatures. The Ti3AlC2‐5 wt%Y4Al2O9 composite shows better optimization in its mechanical properties than other studied composites. In addition, there is an improvement in strength without debit in toughness of the composite.</abstract><cop>Columbus</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1551-2916.2012.05252.x</doi><tpages>8</tpages></addata></record> |
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| subjects | Aluminum Composite materials Density Elastic modulus Mechanical properties Microstructure Optimization Oxidation Oxidation resistance Particulate composites Strength Temperature |
| title | Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites |
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