Preparation of highly porous ZrB2/ZrC/SiC composite monoliths using liquid precursors via direct drying process
文献类型：期刊论文
| 作者 | Li, Fei; Huang, Xiao |
| 刊名 | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
 |
| 出版日期 | 2018 |
| 卷号 | 38期号:4页码:1103 |
| 关键词 | Porous ceramic Ultra-high temperature ceramics Direct drying Liquid precursor |
| ISSN号 | 0955-2219 |
| DOI | 10.1016/j.jeurceramsoc.2017.11.031 |
| 英文摘要 | We developed a simple liquid precursor method for the syntheses of porous ZrB2/ZrC/SiC composite monoliths. Furfuryl alcohol (FA), zirconium n-butoxide, tetraethyl orthosilicate and boric acid are used as the raw materials. By combining the polymerization of FA and gelation of inorganic sols, porous hybrid monoliths are prepared by direct drying the wet gels. The inorganic and organic polymers possibly form interpenetrated network which provides the robustness for the wet gel to withstand the severe changes during dessication. When heat-treated at 1600 degrees C, hybrid gels are converted into porous ZrB2/ZrC/SiC monoliths. The microstructure of the ZrB2/ZrC/SiC monoliths can be easily tailored by controlling the synthesis conditions. The porosities of the ZrB2/ZrC/SiC monoliths can be tuned around 74.3-81.6%, while the average pore diameters can be tuned ranging from 1.0 to 8.5 mu m with pretty narrow distribution. The compressive strengths of such highly porous ceramics are in the range of 1.2-1.9 MPa. |
| 学科主题 | Materials Science, Ceramics |
| WOS记录号 | WOS:000424716700013 |
| 出版者 | ELSEVIER SCI LTD |
| 资助机构 | Financial support from the National Natural Science Foundation of China (No. 51602324) is gratefully acknowledged. F. Li thanks Dr. Weichao Bao for carrying out the TEM measurements. ; Financial support from the National Natural Science Foundation of China (No. 51602324) is gratefully acknowledged. F. Li thanks Dr. Weichao Bao for carrying out the TEM measurements. |
| 源URL | [http://ir.sic.ac.cn/handle/331005/25063]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 作者单位 | Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Fei,Huang, Xiao. Preparation of highly porous ZrB2/ZrC/SiC composite monoliths using liquid precursors via direct drying process[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2018,38(4):1103, 1111. |
| APA | Li, Fei,&Huang, Xiao.(2018).Preparation of highly porous ZrB2/ZrC/SiC composite monoliths using liquid precursors via direct drying process.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,38(4),1103. |
| MLA | Li, Fei,et al."Preparation of highly porous ZrB2/ZrC/SiC composite monoliths using liquid precursors via direct drying process".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38.4(2018):1103. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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