| 凝胶注模Si3N4陶瓷的力学性能与显微结构 |
| |
| 引用本文： | 许兴利,马利国,代建清,周龙捷,黄勇,谢志鹏.凝胶注模Si3N4陶瓷的力学性能与显微结构[J].材料工程,2001,1(3):35-36,48. |
| |
| 作者姓名： | 许兴利 马利国 代建清 周龙捷 黄勇 谢志鹏 |
| |
| 作者单位： | 清华大学新型陶瓷与精细工艺国家重点实验室，北京 100084 |
| |
| 基金项目： | 九五国家863高新技术计划资助项目(863-715-006-0100) |
| |
| 摘 要： | 凝胶注模成型工艺是一种重要的原位凝固成型技术，它能有效地提高材料的可靠性以及降低复杂形状陶瓷部件的制造成本。本工作在Si
|
| 关 键 词： | 凝胶注模 气压烧结 显微结构 氮化硅陶瓷 力学性能 |
| 文章编号： | 1001-4381(2001)03-0035-02 |
Microstructure and Properties of Si3N4 Based on Gelcasting |
| |
| XU Xing-li.Microstructure and Properties of Si3N4 Based on Gelcasting[J].Journal of Materials Engineering,2001,1(3):35-36,48. |
| |
| Authors: | XU Xing-li |
| |
| Abstract: | The forming process of gelcasting is one of the important in-situform ing techniques， which can effectively increase materials reliability and lower th e manufacturing costs of complex-shaped ceramic parts. Based on gelcasting of Si3N4, Two-step gas pressure sintering of Si3N4 is made in this paper. T heir room temperature bending strength can reach 958±41.8MPa,fracture toughness can reac h 9.6MPa·m1/2,Weibull modulus can reach 23. Si3N4 ceramics obtained e xhibits a bim odal microstructure composed of large elongated grains dispersed in a fined-gra ined matrix. |
| |
| Keywords: | gelcasting GPS Si 3N 4 microstructure |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
