研究了石墨含量、酚醛树脂含量对PTCR复合材料性能的影响.实验发现该复合方法在保证一定升阻比的前提下可有效地降低材料的室温体积电阻率.这为解决PTC材料室温体积电阻率较高的问题提供了一条新的途径.
参考文献
| [1] | Heywang W .Barium titanate as a semiconductor with blocking layers[J].Solid-State Electronics,1961,3(01):51-58. |
| [2] | Takafumi K;Okamoto M;Hashimoto K .Grain orientation dependence of the PTCR effect in niobium-doped barium titanate[P].JP 2000007335,2000. |
| [3] | 徐廷献;沈继跃;薄占满.电子陶瓷材料[M].天津:天津大学出版社,1993:290-300. |
| [4] | 莫以豪.半导体陶瓷及其敏感元件[M].上海:上海科技大学出版社,1983:193-204. |
| [5] | Huybrechts B;Ishizaki K;Takata M .Proposed phenomenolo-gical PTCR model and accompanying phenomenological PTCR chart[J].Journal of the American Ceramic Society,1994,77(01):286-288. |
| [6] | Huybrechts B;Ishizaki K;Takata M .Influence of high oxygen partial pressure anneanling on the positive temperature coefficient of Mn-doped Ba0.8Sr0.2TiO3[J].Journal of the European Ceramic Society,1993,11:395-400. |
| [7] | Gene H. Haertling .Ferroelectric ceramics: history and technology[J].Journal of the American Ceramic Society,1999(4):797-818. |
| [8] | Lin I-Nan;Chan Horng-Yi;Liu Kuo-Shung .Microwave sintering of PTCR ceramics and their electrical properties[J].Ferroelectrics Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics,1996,2:987-990. |
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%