Tailoring the microstructure of high porosity Si3N4 foams by direct foaming with mixed surfactants
The mixed surfactants were successfully applied to fabricate the highly porous Si3N4 ceramic foams by the direct foaming method. The oppositely charged surfactants mixed in slurries could combined into catanionic surfactant by the electrostatic attraction and facilitate the formation of ultra‐stable...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2019-11, Vol.102 (11), p.6827-6836 |
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| container_end_page | 6836 |
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| container_issue | 11 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Du, Zhongpei Yao, Dongxu Xia, Yongfeng Zuo, Kaihui Yin, Jinwei Liang, Hanqing Zeng, Yu‐Ping |
| description | The mixed surfactants were successfully applied to fabricate the highly porous Si3N4 ceramic foams by the direct foaming method. The oppositely charged surfactants mixed in slurries could combined into catanionic surfactant by the electrostatic attraction and facilitate the formation of ultra‐stable foams. The microstructure of the Si3N4 ceramic foams, including pore structure, mean pore size, pore size distribution and porosity were tailored by varying the mixing ratio of surfactant, mixed surfactants concentration and solid content of the initial slurries. Si3N4 ceramic foams with porosity of 92%‐97%, mean pore size of 140‐240 µm and compressive strength of 0.85‐5.38 MPa were obtained by adjusting mixed surfactants between 0.1 and 0.4 wt% and solid content between 22 and 30 vol%. The compressive strength of Si3N4 ceramic foams in current work was much higher than most reported results. |
| doi_str_mv | 10.1111/jace.16599 |
| format | Article |
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The oppositely charged surfactants mixed in slurries could combined into catanionic surfactant by the electrostatic attraction and facilitate the formation of ultra‐stable foams. The microstructure of the Si3N4 ceramic foams, including pore structure, mean pore size, pore size distribution and porosity were tailored by varying the mixing ratio of surfactant, mixed surfactants concentration and solid content of the initial slurries. Si3N4 ceramic foams with porosity of 92%‐97%, mean pore size of 140‐240 µm and compressive strength of 0.85‐5.38 MPa were obtained by adjusting mixed surfactants between 0.1 and 0.4 wt% and solid content between 22 and 30 vol%. The compressive strength of Si3N4 ceramic foams in current work was much higher than most reported results.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.16599</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>Ceramics ; Compressive strength ; direct foaming ; Foaming ; Foams ; high porosity ; Microstructure ; mixed surfactants ; Pore size ; Pore size distribution ; Porosity ; Silicon nitride ; Slurries ; Surfactants</subject><ispartof>Journal of the American Ceramic Society, 2019-11, Vol.102 (11), p.6827-6836</ispartof><rights>2019 The American Ceramic Society</rights><rights>2019 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-3319-9824 ; 0000-0001-8266-5855 ; 0000-0001-7819-4288 ; 0000-0002-1067-3757</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.16599$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.16599$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Du, Zhongpei</creatorcontrib><creatorcontrib>Yao, Dongxu</creatorcontrib><creatorcontrib>Xia, Yongfeng</creatorcontrib><creatorcontrib>Zuo, Kaihui</creatorcontrib><creatorcontrib>Yin, Jinwei</creatorcontrib><creatorcontrib>Liang, Hanqing</creatorcontrib><creatorcontrib>Zeng, Yu‐Ping</creatorcontrib><title>Tailoring the microstructure of high porosity Si3N4 foams by direct foaming with mixed surfactants</title><title>Journal of the American Ceramic Society</title><description>The mixed surfactants were successfully applied to fabricate the highly porous Si3N4 ceramic foams by the direct foaming method. The oppositely charged surfactants mixed in slurries could combined into catanionic surfactant by the electrostatic attraction and facilitate the formation of ultra‐stable foams. The microstructure of the Si3N4 ceramic foams, including pore structure, mean pore size, pore size distribution and porosity were tailored by varying the mixing ratio of surfactant, mixed surfactants concentration and solid content of the initial slurries. Si3N4 ceramic foams with porosity of 92%‐97%, mean pore size of 140‐240 µm and compressive strength of 0.85‐5.38 MPa were obtained by adjusting mixed surfactants between 0.1 and 0.4 wt% and solid content between 22 and 30 vol%. The compressive strength of Si3N4 ceramic foams in current work was much higher than most reported results.</description><subject>Ceramics</subject><subject>Compressive strength</subject><subject>direct foaming</subject><subject>Foaming</subject><subject>Foams</subject><subject>high porosity</subject><subject>Microstructure</subject><subject>mixed surfactants</subject><subject>Pore size</subject><subject>Pore size distribution</subject><subject>Porosity</subject><subject>Silicon nitride</subject><subject>Slurries</subject><subject>Surfactants</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNotkEFPAjEQhRujiYhe_AVNPC9Ou-2WHglB0RA9iOem23bZEmDXthvcf-8CzmXmTV7eSz6EHglMyDDPW23chBRcyis0IpyTjEpSXKMRANBMTCncorsYt4MkcspGqFxrv2uCP2xwqh3eexOamEJnUhccbipc-02N22b4-tTjL59_MFw1eh9x2WPrgzPprE8JR5_qIeLXWRy7UGmT9CHFe3RT6V10D_97jL5fFuv5Mlt9vr7NZ6uspZTLTHDrjDYWaGlcbjQQKwDywpJSGuOIcWXOmAbKC2uFMNZIxxkVlABICmU-Rk-X3DY0P52LSW2bLhyGSkXplHFeMCEGF7m4jn7netUGv9ehVwTUCaA6AVRngOp9Nl-cr_wPrOBnKw</recordid><startdate>201911</startdate><enddate>201911</enddate><creator>Du, Zhongpei</creator><creator>Yao, Dongxu</creator><creator>Xia, Yongfeng</creator><creator>Zuo, Kaihui</creator><creator>Yin, Jinwei</creator><creator>Liang, Hanqing</creator><creator>Zeng, Yu‐Ping</creator><general>Wiley Subscription Services, Inc</general><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-3319-9824</orcidid><orcidid>https://orcid.org/0000-0001-8266-5855</orcidid><orcidid>https://orcid.org/0000-0001-7819-4288</orcidid><orcidid>https://orcid.org/0000-0002-1067-3757</orcidid></search><sort><creationdate>201911</creationdate><title>Tailoring the microstructure of high porosity Si3N4 foams by direct foaming with mixed surfactants</title><author>Du, Zhongpei ; Yao, Dongxu ; Xia, Yongfeng ; Zuo, Kaihui ; Yin, Jinwei ; Liang, Hanqing ; Zeng, Yu‐Ping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2259-75decacd02bce3ca01d70036d1b9cce1ceb344a0256dd77cdc9e54272100920b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Ceramics</topic><topic>Compressive strength</topic><topic>direct foaming</topic><topic>Foaming</topic><topic>Foams</topic><topic>high porosity</topic><topic>Microstructure</topic><topic>mixed surfactants</topic><topic>Pore size</topic><topic>Pore size distribution</topic><topic>Porosity</topic><topic>Silicon nitride</topic><topic>Slurries</topic><topic>Surfactants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Zhongpei</creatorcontrib><creatorcontrib>Yao, Dongxu</creatorcontrib><creatorcontrib>Xia, Yongfeng</creatorcontrib><creatorcontrib>Zuo, Kaihui</creatorcontrib><creatorcontrib>Yin, Jinwei</creatorcontrib><creatorcontrib>Liang, Hanqing</creatorcontrib><creatorcontrib>Zeng, Yu‐Ping</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>Du, Zhongpei</au><au>Yao, Dongxu</au><au>Xia, Yongfeng</au><au>Zuo, Kaihui</au><au>Yin, Jinwei</au><au>Liang, Hanqing</au><au>Zeng, Yu‐Ping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tailoring the microstructure of high porosity Si3N4 foams by direct foaming with mixed surfactants</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2019-11</date><risdate>2019</risdate><volume>102</volume><issue>11</issue><spage>6827</spage><epage>6836</epage><pages>6827-6836</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>The mixed surfactants were successfully applied to fabricate the highly porous Si3N4 ceramic foams by the direct foaming method. The oppositely charged surfactants mixed in slurries could combined into catanionic surfactant by the electrostatic attraction and facilitate the formation of ultra‐stable foams. The microstructure of the Si3N4 ceramic foams, including pore structure, mean pore size, pore size distribution and porosity were tailored by varying the mixing ratio of surfactant, mixed surfactants concentration and solid content of the initial slurries. Si3N4 ceramic foams with porosity of 92%‐97%, mean pore size of 140‐240 µm and compressive strength of 0.85‐5.38 MPa were obtained by adjusting mixed surfactants between 0.1 and 0.4 wt% and solid content between 22 and 30 vol%. The compressive strength of Si3N4 ceramic foams in current work was much higher than most reported results.</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jace.16599</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-3319-9824</orcidid><orcidid>https://orcid.org/0000-0001-8266-5855</orcidid><orcidid>https://orcid.org/0000-0001-7819-4288</orcidid><orcidid>https://orcid.org/0000-0002-1067-3757</orcidid></addata></record> |
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| subjects | Ceramics Compressive strength direct foaming Foaming Foams high porosity Microstructure mixed surfactants Pore size Pore size distribution Porosity Silicon nitride Slurries Surfactants |
| title | Tailoring the microstructure of high porosity Si3N4 foams by direct foaming with mixed surfactants |
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