以纺织加工过程中废弃的棉短绒为模板,经过溶胶法浸渍形成棉纤维/氧化硅复合体,再经碳化、碳热还原反应制备出SiC纳米纤维和纳米颗粒.XRD显示最终产物的组成相为β-SiC,SEM和TEM分析显示SiC纳米纤维的直径在20～200 nm.通过对碳/氧化硅复合体碳热还原生成SiC纳米纤维的各步反应的热力学分析,推论SiC纳米纤维由SiO与CO间的气-气反应生成,并推导出其生长机制属于气-固生长.为重新利用棉短绒、变废为宝提供了新的思路.
参考文献
| [1] | 杜朝锋,黄英,秦秀兰.模板技术在纳米材料制备中的应用与发展[J].材料导报,2006(z1):38-42. |
| [2] | LAMINATED WOOD-CERAMICS PREPARED FROM BEECH VENEER AND PHENOL FORMALDEHYDE RESIN[J].Wood and Fiber Science,2010(4):474-479. |
| [3] | Locs J;Berzina-Cimdina L;Zhurinsh A et al.Effect of processing on the microstructure and crystalline phase composition of wood derived porous SiC ceramics[J].Journal of the European Ceramic Society,2011,31(01):183. |
| [4] | Meng, S.;Jin, G.-Q.;Wang, Y.-Y.;Guo, X.-Y. .Tailoring and application of SiC nanowires in composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(21/22):5761-5765. |
| [5] | Xinni Zhang;Youqiang Chen;Zhipeng Xie .Shape and Doping Enhanced Field Emission Properties of Quasialigned 3C-SiC Nanowires[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2010(18):8251-8255. |
| [6] | Yanhui Chu;Qiangang Fu;Hejun Li .SiC coating toughened by SiC nanowires to protect C/C composites against oxidation[J].CERAMICS INTERNATIONAL,2012(1):189-194. |
| [7] | Kang Pengchao;Zhang Bin;Wu Gaohui et al.Synthesis of SiO2 covered SiC nanowires with milled Si,C nanopowders[J].Materials Letters,2011,65(23-24):3461. |
| [8] | 姚穆;周锦芳;黄淑珍.纺织材料学[M].北京:中国纺织出版社,1997:273. |
| [9] | Xue, T.;Meng, J.;Jin, Z. .Study on the performance of honeycomb ceramics carrier based on the ordinary paper[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(29/30):8512-8516. |
| [10] | 薛涛,王伟,金志浩.超级陶瓷纸的制备与性能研究[J].稀有金属材料与工程,2007(z3):324-327. |
| [11] | Xue, T.;Wang, Z.J.W. .Preparation of porous SiC ceramics from waste cotton linter by reactive liquid Si infiltration technique[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(27/28):7294-7298. |
| [12] | 薛涛,孟家光,金志浩.普通纸张模板纤维素碳化机理的研究与多孔木材陶瓷的制备[J].材料导报,2012(24):101-103,114. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%