为缩短先驱体浸渍裂解制备炭纤维三维编织物(3D-BCf)增强SiC陶瓷基复合材料的工艺周期,在3D-BCf中采用超声浸渍法预先引入SiC微粉.考察了微粉粒度、浆料SiC/无水乙醇(EtOH)质量比等参数对引入SiC微粉体积分数的影响.结果表明,当SiC微粉粒度为0.4μm、浆料SiC/EtOH质量比为1∶1时超声浸渍效果最佳,在3D-B Cf中引入SiC微粉的体积分数可达到16.4%,预先引入SiC微粉可以缩短材料的致密化周期.
参考文献
| [1] | Seyferth D .Preceramic polymers: past, present, and future[R].AD-A 258 327,1992. |
| [2] | FUNAYAMA O;Oaki T;Kato T et al.Synthesis of thermosetting copolymer of polycarbosilane and perhydropolysilazane[J].Journal of Materials Science,1996,31(23):6369-6375. |
| [3] | Seyferth D;Nathan B;David P et al.Preceramic polymer as "reagents" in the preparation of ceramics[J].Journal of the American Ceramic Society,1991,74(10):2687-89. |
| [4] | Greil P;Seibold M .Modeling of dimensional changes during polymer-ceramic conversion for bulk component fabrication[J].Journal of Materials Science,1992,27:1053-60. |
| [5] | 郑文伟,陈朝辉,方晖,马青松.热模压辅助先驱体浸渍裂解制备Cf/SiC复合材料研究[J].复合材料学报,2003(05):44-48. |
| [6] | 马青松,陈朝辉,郑文伟,胡海峰.热压辅助先驱体裂解制备三维编织碳纤维增强Si-O-C复合材料的研究[J].材料工程,2002(05):37-39. |
| [7] | 郑文伟 等.三维整体编织物增强陶瓷基复合材料的制备工艺及性能表征[J].复合材料学报,1997,14(01):48-53. |
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