采用先驱体聚合物浸渍裂解法(Preceramic polymer impregnation pyrolysis,PIP)制备了短切石英纤维增强氮化物基透波复合材料(SiO2f/Si3N4-BN),对复合材料的显微结构和界面特性进行了研究,探讨了短纤维增强氮化物基复合材料的强韧化机理.力学性能测试表明复合材料弯曲强度、断裂韧性和断裂应变分别达到56.6 MPa,2.3 MPa·m1/2和0.462%,介电性能优良.扫描电镜(SEM)及选区能谱(EDS)分析结果表明,氮化物基体与短切石英纤维没有发生界面反应,界面结合适中,短纤维以纤维拔出及裂纹偏转的形式使基体增强和增韧.
参考文献
| [1] | 齐共金,张长瑞,胡海峰,曹峰,王思青,曹英斌,姜勇刚.陶瓷基复合材料天线罩制备工艺进展[J].硅酸盐学报,2005(05):632-638. |
| [2] | 姚俊杰;李包顺;黄校先 et al.[J].无机材料学报,1997,12(01):47. |
| [3] | 吴洁华,郭景坤,李包顺.SiO2-AlN复合材料的制备及其性能研究[J].硅酸盐学报,1999(06):701-708. |
| [4] | 吴洁华,李包顺,李承恩,郭景坤.SiO2-AlN-Si3N4天线窗复合材料的制备和性能研究[J].硅酸盐通报,2000(03):4-8. |
| [5] | 吴洁华,郭景坤,李包顺.SiO2-AlN-BN复合材料的制备和性能研究[J].硅酸盐学报,2000(04):365-370. |
| [6] | Wen G;Wu G L;Lei T Q et al.[J].Journal of the European Ceramic Society,2000,20(11):1923. |
| [7] | Place T M.[A].Georgia:Georgia Institute of Technology Atlanta,1976:17. |
| [8] | Place T M .Low Loss Radar Window for Reentry Vehicle[P].United States Patent,No 4786548,1988. |
| [9] | Gilreath M C;Castellow S L .High Temperature Dielectric Properties of Candidate Space-Shuttle Thermal Protection System and Antenna-window Materials[NASA TND-7523.Washington:NASA][R].,1974. |
| [10] | Brazel J P;Fenton R.[A].Atlanta,Georgia,USA:Georgia Institute of Technology,1976:9. |
| [11] | Ionita A;Weitsman Y J .[J].Probabilistic Engineering Mechanics,2006,21:64. |
| [12] | Davies I;Abe S;Pezzotti G et al.[J].Materials Letters,2000,43:203. |
| [13] | Su K;Edward E R;Gregg A Z et al.[J].Chemistry of Materials,1993,5:547. |
| [14] | Isoda T;Kaya H;Nishii H et al.[J].Journal of Inorganic and Organometallic Polymers,1992,2(01):151. |
| [15] | Hough W V;Guibert C R;Hefferan G T .Method for the Synthesis of Borazine[P].United States Patent,No 4150097,1979. |
| [16] | Qi GJ;Zhang CR;Hu HF;Cao F;Wang SQ;Jiang YG;Li B .Crystallization behavior of three-dimensional silica fiber reinforced silicon nitride composite[J].Journal of Crystal Growth,2005(1/2):293-296. |
| [17] | 贾德昌;周玉;雷廷全.[J].宇航材料学报,2001(04):30. |
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