本文介绍了以小米为原材料,利用生物模板技术法制备小米基生物形态SiC材料.通过热重技术分析了小米向碳模板的转化过程.以SEM、压汞技术和颗粒强度测定仪分析了碳模板与SiC的形貌结构和机械强度.结果表明:以液相渗硅法制备的生物形态SiC能很好的保持碳模板的形貌结构,颗粒破碎强度为10.6 N.溶胶凝胶-碳热还原法制备的SiC能较好保持碳模板的形貌结构,而气相渗硅法制备的SiC与碳模板在微观结构上有很大不同.后两种方法制备的SiC机械强度很差.
参考文献
| [1] | Greil P .Biomorphous ceramics from lignocellulosics[J].Journal of the European Ceramic Society,2001,21:105-118. |
| [2] | Heino Sieber;Christiane Hoffmann;Annette Kaindl;Peter Greil .Biomorphic cellular ceramics[J].Advanced Engineering Materials,2000(3):105-109. |
| [3] | Sieber H .Biomimetic synthesis of ceramics and ceramic composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):43-47. |
| [4] | 钱军民,王继平,金志浩.液相渗入-反应法制备木材结构SiC的研究[J].稀有金属材料与工程,2004(10):1065-1068. |
| [5] | C.R. Rambo;J. Cao;O. Rusina .Manufacturing of biomorphic (SI, Ti, Zr)-carbide ceramics by sol-gel processing[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(6):1174-1183. |
| [6] | J. Cao;C.R. Rambo;H. Sieber .Manufacturing of microcellular, biomorphous oxide ceramics from native pine wood[J].Ceramics International,2004(7):1967-1970. |
| [7] | Streitwieser D A;Popovska N;Gerhard H et al.Application of chemical vapor infiltration and reaction (CVI-R) technique for the preparation of high porous biomorphic SiC ceramics derived from paper[J].Journal of the European Ceramic Society,2005,6:817-828. |
| [8] | Qian J M;Wang J P;Qiao G J et al.Preparation of porous SiC ceramic with a woodlike microstructure by sol-gel and carbothermal reduction processing[J].Journal of the European Ceramic Society,2004,24:3251-3259. |
| [9] | Junmin Qian;Jiping Wang;Zhihao Jin .Preparation of biomorphic SiC ceramic by carbothermal reduction of oak wood charcoal[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):229-235. |
| [10] | Zollfrank C;Sieber H .Microstructure and phase morphology of derived biomorphous SiC-ceramics[J].Journal of the European Ceramic Society,2004,24:495-506. |
| [11] | Fey T;Sieber H;Greil P .Stress distribution in biomorphous SiC-ceramics under radial tensile loading[J].Journal of the European Ceramic Society,2005,25:1015-1024. |
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%