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A thermoset hybrid sol for the syntheses of zirconium carbide-silicon carbide foam via replica method
Li, Fei; Bao, Weichao; Ni, De-Wei; Huang, Xiao; Zhang, Guo-Jun
2019-04-01
Source PublicationJOURNAL OF POROUS MATERIALS
ISSN1380-2224
Volume26Issue:2Pages:409
SubtypeArticle
AbstractZirconium carbide-silicon carbide (ZrC-SiC) ceramics are amongst the promising candidate materials for thermal protection structures in hypersonic re-entry space vehicles. A thermoset hybrid sol for the syntheses of monolithic ZrC-SiC composites was prepared by a simple sol-gel method. Furfuryl alcohol, polyzirconoxane and tetraethyl orthosilicate were used as raw materials. The as-synthesized sol can be cured at 85 degrees C for 24h to obtain a bulk gel. The cured gel is converted into porous ZrC-SiC monolith with porosity of 44.1% after pyrolysis at 1500 degrees C for 1h in vacuum. The ZrC-SiC monolith is composed of well distributed nano-sized ZrC and SiC particles. Highly porous ZrC-SiC ceramic foam with density of 0.34g/cm(3) and porosity of 78.1% is prepared by replica method using the hybrid sol as precursor and melamine foam as templates. The hybrid sol and ZrC-SiC composites are characterized by FT-IR, TG-DTA, XRD, SEM, EDS and TEM.
KeywordSol-gel Carbides Ceramic foam Replica method
DOI10.1007/s10934-018-0618-z
Language英语
WOS Research AreaChemistry ; Materials Science
PublisherSPRINGER
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27223
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, Fei,Bao, Weichao,Ni, De-Wei,et al. A thermoset hybrid sol for the syntheses of zirconium carbide-silicon carbide foam via replica method[J]. JOURNAL OF POROUS MATERIALS,2019,26(2):409.
APA Li, Fei,Bao, Weichao,Ni, De-Wei,Huang, Xiao,&Zhang, Guo-Jun.(2019).A thermoset hybrid sol for the syntheses of zirconium carbide-silicon carbide foam via replica method.JOURNAL OF POROUS MATERIALS,26(2),409.
MLA Li, Fei,et al."A thermoset hybrid sol for the syntheses of zirconium carbide-silicon carbide foam via replica method".JOURNAL OF POROUS MATERIALS 26.2(2019):409.
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