Preparation of SiOC Foam Ceramics Using Polysiloxane
The SiOC foam ceramics were prepared using polyurethane sponge and polysiloxane as raw materials. The effects of the pyrolysis temperature, the concentration of polysiloxane solutions, and the content of SiC nano-powder on compression strength of the SiOC foam ceramics have been investigated respect...
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| Veröffentlicht in: | Key engineering materials 2008-01, Vol.368-372, p.920-922 |
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| container_title | Key engineering materials |
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| creator | Liu, Hong Li Zhong, Wen Wu Mao, Yang Wu |
| description | The SiOC foam ceramics were prepared using polyurethane sponge and polysiloxane as raw
materials. The effects of the pyrolysis temperature, the concentration of polysiloxane solutions, and the
content of SiC nano-powder on compression strength of the SiOC foam ceramics have been investigated
respectively. The optimum compression strength of SiOC foam ceramics is obtained at the pyrolysis
temperature of 1250°C and the concentration of solution PSO of 0.8 g/ml. Adding SiC nano-powder into
PSO can effectively increase compression strength of samples, and the maximum compression strength,
20.8 MPa, is obtained when the content of SiC nano-powder is 5 wt%. Microstructural study reveals that
the foam ceramics have an open, uniform and interconnected porous structure with high porosity of 80%. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.368-372.920 |
| format | Article |
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materials. The effects of the pyrolysis temperature, the concentration of polysiloxane solutions, and the
content of SiC nano-powder on compression strength of the SiOC foam ceramics have been investigated
respectively. The optimum compression strength of SiOC foam ceramics is obtained at the pyrolysis
temperature of 1250°C and the concentration of solution PSO of 0.8 g/ml. Adding SiC nano-powder into
PSO can effectively increase compression strength of samples, and the maximum compression strength,
20.8 MPa, is obtained when the content of SiC nano-powder is 5 wt%. Microstructural study reveals that
the foam ceramics have an open, uniform and interconnected porous structure with high porosity of 80%.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.368-372.920</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2008-01, Vol.368-372, p.920-922</ispartof><rights>2008 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-4fc70efdd764c8a9dfae815de7255941c18baf1e59ae48a00c92073681eeb94b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/101?width=600</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Liu, Hong Li</creatorcontrib><creatorcontrib>Zhong, Wen Wu</creatorcontrib><creatorcontrib>Mao, Yang Wu</creatorcontrib><title>Preparation of SiOC Foam Ceramics Using Polysiloxane</title><title>Key engineering materials</title><description>The SiOC foam ceramics were prepared using polyurethane sponge and polysiloxane as raw
materials. The effects of the pyrolysis temperature, the concentration of polysiloxane solutions, and the
content of SiC nano-powder on compression strength of the SiOC foam ceramics have been investigated
respectively. The optimum compression strength of SiOC foam ceramics is obtained at the pyrolysis
temperature of 1250°C and the concentration of solution PSO of 0.8 g/ml. Adding SiC nano-powder into
PSO can effectively increase compression strength of samples, and the maximum compression strength,
20.8 MPa, is obtained when the content of SiC nano-powder is 5 wt%. Microstructural study reveals that
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materials. The effects of the pyrolysis temperature, the concentration of polysiloxane solutions, and the
content of SiC nano-powder on compression strength of the SiOC foam ceramics have been investigated
respectively. The optimum compression strength of SiOC foam ceramics is obtained at the pyrolysis
temperature of 1250°C and the concentration of solution PSO of 0.8 g/ml. Adding SiC nano-powder into
PSO can effectively increase compression strength of samples, and the maximum compression strength,
20.8 MPa, is obtained when the content of SiC nano-powder is 5 wt%. Microstructural study reveals that
the foam ceramics have an open, uniform and interconnected porous structure with high porosity of 80%.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.368-372.920</doi><tpages>3</tpages></addata></record> |
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| title | Preparation of SiOC Foam Ceramics Using Polysiloxane |
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