以Tween 80为分散剂,制备了水基中间相碳微球(MCMB)悬浮体.Zeta电位测定结果表明,当Tween 80的用量为1%(以MCMB质量分数计)时,该悬浮体的Zeta电位绝对值可达到55mV(pH=7).进一步研究了分散剂用量和固含量对悬浮体流变学性能的影响,发现悬浮体最佳分散剂用量为1%,随固含量的增加,其粘度也逐渐增加.在此基础上,制得了固含量达到62.5wt%(53.1vol%)的悬浮体.研究了凝胶注模成型素坯及烧结体的力学性能及显微结构,并通过该工艺制备了形状复杂的碳板材料.
参考文献
[1] | Oya A. In: Marsh H. Heintz EA, Rodriguez-Reinoso F. Editors: Introduction to Carbon Technologies, Spain:Universidad de Alicante, 1997. 561-563. |
[2] | Miyazaki K, Hagio T, Kobayashi K. J. Mater. Sci., 1981, 16: 561-568. |
[3] | Mochida I, Korai Y, Ku C H, et al. Carbon, 2000, 38: 305-312. |
[4] | Wang Y G, Egashira M, Ishida S, et al. Carbon, 1998, 37: 307-315. |
[5] | Honda H. Carbon, 1988, 26: 139-146. |
[6] | Martinez M. Rodriguez-Reinoso F, Torregrosa P, et al. In: Extended Abstracts, Carbon 96, Newcastle, UK,1996. 423-430. |
[7] | Rand B, Stirling C. In: Extended Abstracts. 20th Biennial Conference on Carbon. Santa Barbara CA, 1991.204-211. |
[8] | Nakagawa Y, Fujita K, Mori M. In: Extended abstracts, 17th biennial Conference on Carbon, Kentucky, 1985.109-116. |
[9] | Bhatia G, Aggarwal R K, Punjabi N, et al. J. Mater. Sci., 1994, 29: 4757-4764. |
[10] | Omatete O O, Janney M A, Strelow R A. Ceramic Bulletin (AcerS), 1991, 70 (10). 1641-1651. |
[11] | Maria J P. Ceramic Engineering and Science Proceeding, 1995, 16 (5): 1072-1079. |
[12] | 马力国,黄勇,杨金龙,等(MA Li-Guo,et al).硅酸盐学报(Journal of the chinese Ceramic society),1997,25(6):5-10. |
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%