用扫描电子显微镜(SEM)、金相显微镜等观察手段研究了N含量对超细Ti(C,N)基金属陶瓷显微组织和力学性能的影响.结果表明:N含量对超细Ti(C,N)基金属陶瓷显微组织和力学性能有显著的影响.随N含量增加,其晶粒尺寸细化,晶粒长大受到抑制,并且这种抑制作用非常显著.与此同时,组织中高的N含量也会导致烧结体中孔隙率增加,严重损害着横向断裂强度(TRS).高的N含量一方面能有效抑制晶粒长大,另一方面也促进N的分解.
参考文献
| [1] | Fukuhara M;Mitani H .[J].Powder Metallurgy International,1982,14:196. |
| [2] | Moskowitz D et al.[J].Materials Science and Engineering A,1988,105-106:256. |
| [3] | Yasui H;Tanaka H;Kobayashi T;Bhagat R B el al.Metal and Ceramic Matrix Composites: Processing,Modeling,and Mechanical Behavior[M].Beijing:The Minerals,Metals and Materials Society,1990:67. |
| [4] | Zackrisson J;Andren H O .[J].International Journal of Refractory Metals and Hard Materials,1999,17:265. |
| [5] | Laoui T;Van Der Biest O .[J].Journal of Materials Science Letters,1994,13:1530. |
| [6] | 王昕,马大衍,马胜利,徐可为.脉冲直流 PCVD制备Ti（C,N）薄膜及其组织结构分析[J].稀有金属材料与工程,2004(02):204-206. |
| [7] | Ehira M;Egami A .[J].International Journal of Refractory Metals and Hard Materials,1995,13:313. |
| [8] | EhiraM;Egami A .[J].International Journal of Refractory Metals and Hard Materials,1995,13:313. |
| [9] | Jeon E T;Joardar J;Kang S .[J].International Journal of Refractory Metals and Hard Materials,2002,20:207. |
| [10] | Liu N;Xu Y D;Li H et al.[J].Journal of the European Ceramic Society,2002,22:2409. |
| [11] | Paster H T .[J].Materials Science and Engineering A,1988,105-106:401. |
| [12] | kang S .[J].Powder Metallurgy,1997,40(02):138. |
| [13] | Feng P;Xiong W H;Yu L X et al.[J].International Journal of Refractory Metals and Hard Materials,2004,22(2-3):133. |
| [14] | Moskowitz D et al.[J].Materials Science and Engineering A,1988,105-106:256. |
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%