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材料工程  2015, Vol. 43 Issue (6): 1-6    DOI: 10.11868/j.issn.1001-4381.2015.06.001
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
RTM成型工艺对Cf/SiBCN陶瓷基复合材料性能的影响
刘伟1, 曹腊梅1, 王岭2, 徐彩虹3, 益小苏2
1. 北京航空材料研究院 先进高温结构材料重点实验室, 北京 100095;
2. 北京航空材料研究院 先进复合材料重点实验室, 北京 100095;
3. 中国科学院 化学研究所, 北京 100190
Effect of RTM Process on the Properties of Cf/SiBCN Ceramic Matrix Composites
LIU Wei1, CAO La-mei1, WANG Ling2, XU Cai-hong3, YI Xiao-su2
1. Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials, Beijing 100095, China;
2. Science and Technology on Advanced Composites Laboratory, Beijing Institute of Aeronautical Materials, Beijing 100095, China;
3. Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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摘要 采用流变仪研究了聚硼硅氮烷作为RTM树脂的成型工艺性能,进而采用RTM工艺成型出复合材料坯体,再经过重复的浸渍-常压裂解工艺制备了Cf/SiBCN陶瓷基复合材料,详细研究了RTM成型缺陷对复合材料的厚度、密度以及力学性能等方面的影响。结果表明:聚硼硅氮烷完全满足RTM成型工艺对流变性能的要求;RTM成型缺陷会进一步加剧复合材料的膨胀,使复合材料的厚度明显增大;同时会降低浸渍裂解前期复合材料的密度;最终复合材料的抗弯强度和模量均略有降低。
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刘伟
曹腊梅
王岭
徐彩虹
益小苏
关键词 RTMSiBCN陶瓷陶瓷基复合材料聚硼硅氮烷    
Abstract:The forming process performance of polyborosilazane as RTM resin was investigated using rheometer, and the green composite preforms were further formed using RTM process, then the Cf/SiBCN ceramic matrix composites were fabricated via repeated impregnation-atmospheric pressure pyrolysis. Furthermore, the effect of RTM forming defects on thickness, density and mechanical properties of ceramic matrix composites was studied in detail. The results show that the polyborosilazane fully meets the requirements of RTM forming process to rheological properties. RTM forming defects will further increase the expansion of composites, and result in the obvious increase of the thickness of composites, meanwhile decrease the density of composites at the stage of pre-impregnation and pyrolysis, and finally the bending strength and modulus of ceramic matrix composites are also slightly decreased.
Key wordsRTM    SiBCN ceramic    ceramic matrix composite    polyborosilazane
收稿日期: 2014-01-20     
1:  TB332  
基金资助:中航工业技术创新基金项目(2013E62136R)
通讯作者: 刘伟(1982-),男,工程师,在站博士后,研究方向为超高温陶瓷及其复合材料,联系地址:北京市81信箱1分箱(100095),E-mail:liuwei82@iccas.ac.cn     E-mail: liuwei82@iccas.ac.cn
引用本文:   
刘伟, 曹腊梅, 王岭, 徐彩虹, 益小苏. RTM成型工艺对Cf/SiBCN陶瓷基复合材料性能的影响[J]. 材料工程, 2015, 43(6): 1-6.
LIU Wei, CAO La-mei, WANG Ling, XU Cai-hong, YI Xiao-su. Effect of RTM Process on the Properties of Cf/SiBCN Ceramic Matrix Composites. Journal of Materials Engineering, 2015, 43(6): 1-6.
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http://jme.biam.ac.cn/jme/CN/10.11868/j.issn.1001-4381.2015.06.001      或      http://jme.biam.ac.cn/jme/CN/Y2015/V43/I6/1
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