Structure and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites
The incorporation of SiOC polymer‐derived ceramics into porous carbon materials could provide tailored shapeable, mechanical, electrical, and oxidation‐resistant properties for high‐temperature applications. Understanding the thermodynamic and kinetic stability of such materials is crucial for their...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2017-08, Vol.100 (8), p.3693-3702 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Niu, Min Wang, Hongjie Chen, Jiewei Su, Lei Wu, Di Navrotsky, Alexandra |
| description | The incorporation of SiOC polymer‐derived ceramics into porous carbon materials could provide tailored shapeable, mechanical, electrical, and oxidation‐resistant properties for high‐temperature applications. Understanding the thermodynamic and kinetic stability of such materials is crucial for their practical application. We report here the dependence of structures and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites (CBCFs) on the pyrolysis temperature using spectroscopic methods and high‐temperature oxide melt solution calorimetry. The results indicate that a SiOC ceramic pyrolyzed at 1200°C and 1600°C is energetically stable with respect to an isocompositional mixture of cristobalite, silicon carbide, and graphite by 4.9 and 10.3 kJ/mol, respectively, and more energetically stable than that pyrolyzed at 1450°C. Their thermodynamic stability is related to their structural evolution. SiOC‐modified CBCFs become energetically less stable with increasing preparation temperature and concomitant increase in excess carbon content. |
| doi_str_mv | 10.1111/jace.14830 |
| format | Article |
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Understanding the thermodynamic and kinetic stability of such materials is crucial for their practical application. We report here the dependence of structures and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites (CBCFs) on the pyrolysis temperature using spectroscopic methods and high‐temperature oxide melt solution calorimetry. The results indicate that a SiOC ceramic pyrolyzed at 1200°C and 1600°C is energetically stable with respect to an isocompositional mixture of cristobalite, silicon carbide, and graphite by 4.9 and 10.3 kJ/mol, respectively, and more energetically stable than that pyrolyzed at 1450°C. Their thermodynamic stability is related to their structural evolution. SiOC‐modified CBCFs become energetically less stable with increasing preparation temperature and concomitant increase in excess carbon content.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.14830</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>Carbon content ; Carbon fiber reinforced plastics ; Carbon fibers ; Ceramic bonding ; Ceramic fibers ; Ceramics ; Composite materials ; Cristobalite ; Electrical resistance ; Fiber composites ; Heat measurement ; Oxidation resistance ; Porous materials ; Pyrolysis ; Silicon carbide ; silicon oxycarbide ; structure ; thermodynamics</subject><ispartof>Journal of the American Ceramic Society, 2017-08, Vol.100 (8), p.3693-3702</ispartof><rights>2017 The American Ceramic Society</rights><rights>2017 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3280-4315ff178ba2c6cb9891ddfa93cfcfa681c0aab2e08812d4b8e532d3655d4a073</citedby><cites>FETCH-LOGICAL-c3280-4315ff178ba2c6cb9891ddfa93cfcfa681c0aab2e08812d4b8e532d3655d4a073</cites></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.14830$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.14830$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1373825$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Niu, Min</creatorcontrib><creatorcontrib>Wang, Hongjie</creatorcontrib><creatorcontrib>Chen, Jiewei</creatorcontrib><creatorcontrib>Su, Lei</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Navrotsky, Alexandra</creatorcontrib><title>Structure and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites</title><title>Journal of the American Ceramic Society</title><description>The incorporation of SiOC polymer‐derived ceramics into porous carbon materials could provide tailored shapeable, mechanical, electrical, and oxidation‐resistant properties for high‐temperature applications. Understanding the thermodynamic and kinetic stability of such materials is crucial for their practical application. We report here the dependence of structures and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites (CBCFs) on the pyrolysis temperature using spectroscopic methods and high‐temperature oxide melt solution calorimetry. The results indicate that a SiOC ceramic pyrolyzed at 1200°C and 1600°C is energetically stable with respect to an isocompositional mixture of cristobalite, silicon carbide, and graphite by 4.9 and 10.3 kJ/mol, respectively, and more energetically stable than that pyrolyzed at 1450°C. Their thermodynamic stability is related to their structural evolution. SiOC‐modified CBCFs become energetically less stable with increasing preparation temperature and concomitant increase in excess carbon content.</description><subject>Carbon content</subject><subject>Carbon fiber reinforced plastics</subject><subject>Carbon fibers</subject><subject>Ceramic bonding</subject><subject>Ceramic fibers</subject><subject>Ceramics</subject><subject>Composite materials</subject><subject>Cristobalite</subject><subject>Electrical resistance</subject><subject>Fiber composites</subject><subject>Heat measurement</subject><subject>Oxidation resistance</subject><subject>Porous materials</subject><subject>Pyrolysis</subject><subject>Silicon carbide</subject><subject>silicon oxycarbide</subject><subject>structure</subject><subject>thermodynamics</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMoWKsbn2DQnTA1J5nMZJal1BtCF9WdEDK5aEo7qckU6c5H8Bl9EtOOuPQszo3vXPgROgc8gmTXC6nMCApO8QEaAGOQkxrKQzTAGJO84gQfo5MYF6mEmhcD9DLvwkZ1m2Ay2erMtCa8ms6pmHmbzd1ssm_vku_Pr5XXzjqjMyVD49vUSV7_1Zl1jQmZ8qu1j64z8RQdWbmM5uw3DtHzzfRpcpc_zm7vJ-PHXFHCcV5QYNZCxRtJVKmamtegtZU1VVZZWXJQWMqGGMw5EF003DBKNC0Z04XEFR2ii36vj50TUaXb6k35tjWqE0AryglL0GUPrYN_35jYiYXfhDb9JaAmjOGalTRRVz2lgo8xGCvWwa1k2ArAYiex2Eks9hInGHr4wy3N9h9SPIwn037mB-1hf40</recordid><startdate>201708</startdate><enddate>201708</enddate><creator>Niu, Min</creator><creator>Wang, Hongjie</creator><creator>Chen, Jiewei</creator><creator>Su, Lei</creator><creator>Wu, Di</creator><creator>Navrotsky, Alexandra</creator><general>Wiley Subscription Services, Inc</general><general>Wiley-Blackwell</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>201708</creationdate><title>Structure and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites</title><author>Niu, Min ; Wang, Hongjie ; Chen, Jiewei ; Su, Lei ; Wu, Di ; Navrotsky, Alexandra</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3280-4315ff178ba2c6cb9891ddfa93cfcfa681c0aab2e08812d4b8e532d3655d4a073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carbon content</topic><topic>Carbon fiber reinforced plastics</topic><topic>Carbon fibers</topic><topic>Ceramic bonding</topic><topic>Ceramic fibers</topic><topic>Ceramics</topic><topic>Composite materials</topic><topic>Cristobalite</topic><topic>Electrical resistance</topic><topic>Fiber composites</topic><topic>Heat measurement</topic><topic>Oxidation resistance</topic><topic>Porous materials</topic><topic>Pyrolysis</topic><topic>Silicon carbide</topic><topic>silicon oxycarbide</topic><topic>structure</topic><topic>thermodynamics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niu, Min</creatorcontrib><creatorcontrib>Wang, Hongjie</creatorcontrib><creatorcontrib>Chen, Jiewei</creatorcontrib><creatorcontrib>Su, Lei</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Navrotsky, Alexandra</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niu, Min</au><au>Wang, Hongjie</au><au>Chen, Jiewei</au><au>Su, Lei</au><au>Wu, Di</au><au>Navrotsky, Alexandra</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2017-08</date><risdate>2017</risdate><volume>100</volume><issue>8</issue><spage>3693</spage><epage>3702</epage><pages>3693-3702</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>The incorporation of SiOC polymer‐derived ceramics into porous carbon materials could provide tailored shapeable, mechanical, electrical, and oxidation‐resistant properties for high‐temperature applications. Understanding the thermodynamic and kinetic stability of such materials is crucial for their practical application. We report here the dependence of structures and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites (CBCFs) on the pyrolysis temperature using spectroscopic methods and high‐temperature oxide melt solution calorimetry. The results indicate that a SiOC ceramic pyrolyzed at 1200°C and 1600°C is energetically stable with respect to an isocompositional mixture of cristobalite, silicon carbide, and graphite by 4.9 and 10.3 kJ/mol, respectively, and more energetically stable than that pyrolyzed at 1450°C. Their thermodynamic stability is related to their structural evolution. SiOC‐modified CBCFs become energetically less stable with increasing preparation temperature and concomitant increase in excess carbon content.</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jace.14830</doi><tpages>10</tpages></addata></record> |
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| source | Wiley Online Library All Journals |
| subjects | Carbon content Carbon fiber reinforced plastics Carbon fibers Ceramic bonding Ceramic fibers Ceramics Composite materials Cristobalite Electrical resistance Fiber composites Heat measurement Oxidation resistance Porous materials Pyrolysis Silicon carbide silicon oxycarbide structure thermodynamics |
| title | Structure and energetics of SiOC and SiOC‐modified carbon‐bonded carbon fiber composites |
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