Preparation of Short Mullite Fibers from Kaolin via the Addition of Foaming Agents
Short mullite fibers were fabricated by adapting the kneading–drying–calcination (KDC) process. The effect of foam forming on the formation of mullite fiber from kaolin via the KDC process, with the addition of a foaming agent, was examined. In the present study, doped sodium phosphates promoted the...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2001-03, Vol.84 (3), p.497-503 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Li, Keqin Shimizu, Tadao Igarashi, Kaoru |
| description | Short mullite fibers were fabricated by adapting the kneading–drying–calcination (KDC) process. The effect of foam forming on the formation of mullite fiber from kaolin via the KDC process, with the addition of a foaming agent, was examined. In the present study, doped sodium phosphates promoted the growth of mullite fiber and the formation of a glass matrix—effects that were ascribed to the P2O5 and Na2O components, respectively, of the sodium phosphates. In particular, the addition of sodium phosphates greatly reduced the treatment time that was required for dissolution of the glass matrix in hydrofluoric acid. The addition of 10 mass% of sodium dihydrogen phosphate and calcination at 1500°C for 10 h were the optimum conditions for a short treatment time and the formation of long fibers. |
| doi_str_mv | 10.1111/j.1151-2916.2001.tb00689.x |
| format | Article |
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The effect of foam forming on the formation of mullite fiber from kaolin via the KDC process, with the addition of a foaming agent, was examined. In the present study, doped sodium phosphates promoted the growth of mullite fiber and the formation of a glass matrix—effects that were ascribed to the P2O5 and Na2O components, respectively, of the sodium phosphates. In particular, the addition of sodium phosphates greatly reduced the treatment time that was required for dissolution of the glass matrix in hydrofluoric acid. The addition of 10 mass% of sodium dihydrogen phosphate and calcination at 1500°C for 10 h were the optimum conditions for a short treatment time and the formation of long fibers.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.2001.tb00689.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Westerville, Ohio: American Ceramics Society</publisher><subject>additives ; Applied sciences ; Building materials. Ceramics. 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The effect of foam forming on the formation of mullite fiber from kaolin via the KDC process, with the addition of a foaming agent, was examined. In the present study, doped sodium phosphates promoted the growth of mullite fiber and the formation of a glass matrix—effects that were ascribed to the P2O5 and Na2O components, respectively, of the sodium phosphates. In particular, the addition of sodium phosphates greatly reduced the treatment time that was required for dissolution of the glass matrix in hydrofluoric acid. The addition of 10 mass% of sodium dihydrogen phosphate and calcination at 1500°C for 10 h were the optimum conditions for a short treatment time and the formation of long fibers.</description><subject>additives</subject><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic and carbon fibers</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>Exact sciences and technology</subject><subject>mullite</subject><subject>preparation</subject><subject>Technical ceramics</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqVkF1v0zAUhi0E0srgP1ggcZfi4yb-4AZV1boBG_tgiEvLcY43lzTu7BS6f0-ill2Db44sv-9zrIeQN8CmMJz3q2FUUHANYsoZg2lfMyaUnu6ekQlUh6fnZMIY44VUnB2RlzmvhitoVU7IzVXCjU22D7Gj0dNv9zH19GLbtqFHugw1pkx9imv6xcY2dPRXsLS_RzpvmvC3tIx2Hbo7Or_Drs-vyAtv24yvD_OYfF-e3C7OivPL00-L-XnhKgBZYA3SOeAgS1AoqnpWeeW1Vd4y3kjUuoTGoxMShRYNaK48q7GBoeSUkrNj8m7P3aT4sMXcm3XIDtvWdhi32fDBA-NM_0tQlbwciR_2QZdizgm92aSwtunRADOjb7Myo28zSjWjb3PwbXZD-e1hi83Otj7ZzoX8RNClElwMqY_71O_Q4uN_8M3n-eKk1OMniz0h5B53TwSbfhohZ7IyP76emmt9c3HN1cKczf4A4zKjRg</recordid><startdate>200103</startdate><enddate>200103</enddate><creator>Li, Keqin</creator><creator>Shimizu, Tadao</creator><creator>Igarashi, Kaoru</creator><general>American Ceramics Society</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SR</scope><scope>JG9</scope></search><sort><creationdate>200103</creationdate><title>Preparation of Short Mullite Fibers from Kaolin via the Addition of Foaming Agents</title><author>Li, Keqin ; Shimizu, Tadao ; Igarashi, Kaoru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5117-eb17cc1217418e65b35f8f9a8fa02d7e9941dfec67e696d1928f0bed1cc1c8873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>additives</topic><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic and carbon fibers</topic><topic>Ceramic industries</topic><topic>Chemical industry and chemicals</topic><topic>Exact sciences and technology</topic><topic>mullite</topic><topic>preparation</topic><topic>Technical ceramics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Keqin</creatorcontrib><creatorcontrib>Shimizu, Tadao</creatorcontrib><creatorcontrib>Igarashi, Kaoru</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Engineered Materials Abstracts</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>Li, Keqin</au><au>Shimizu, Tadao</au><au>Igarashi, Kaoru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of Short Mullite Fibers from Kaolin via the Addition of Foaming Agents</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2001-03</date><risdate>2001</risdate><volume>84</volume><issue>3</issue><spage>497</spage><epage>503</epage><pages>497-503</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>Short mullite fibers were fabricated by adapting the kneading–drying–calcination (KDC) process. The effect of foam forming on the formation of mullite fiber from kaolin via the KDC process, with the addition of a foaming agent, was examined. In the present study, doped sodium phosphates promoted the growth of mullite fiber and the formation of a glass matrix—effects that were ascribed to the P2O5 and Na2O components, respectively, of the sodium phosphates. In particular, the addition of sodium phosphates greatly reduced the treatment time that was required for dissolution of the glass matrix in hydrofluoric acid. The addition of 10 mass% of sodium dihydrogen phosphate and calcination at 1500°C for 10 h were the optimum conditions for a short treatment time and the formation of long fibers.</abstract><cop>Westerville, Ohio</cop><pub>American Ceramics Society</pub><doi>10.1111/j.1151-2916.2001.tb00689.x</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of the American Ceramic Society, 2001-03, Vol.84 (3), p.497-503 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | additives Applied sciences Building materials. Ceramics. Glasses Ceramic and carbon fibers Ceramic industries Chemical industry and chemicals Exact sciences and technology mullite preparation Technical ceramics |
| title | Preparation of Short Mullite Fibers from Kaolin via the Addition of Foaming Agents |
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