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材料工程  2014, Vol. 0 Issue (7): 34-38    DOI: 10.11868/j.issn.1001-4381.2014.07.007
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
C/C多孔体对C/C-SiC复合材料制备及性能的影响
王玲玲1,2, 马文闵1,2, 嵇阿琳1,2, 崔红1,2, 闫联生1,2, 黄剑1,2
1. 西安航天复合材料研究所, 西安 710025;
2. 高性能碳纤维制造及应用国家地方联合工程研究中心, 西安 710089
Effect of C/C Porous Preform on the Preparation and Properties of C/C-SiC Composites
WANG Ling-ling1,2, MA Wen-min1,2, JI A-lin1,2, CUI Hong1,2, YAN Lian-sheng1,2, HUANG Jian1,2
1. Xi'an Aerospace Composites Research Institute, Xi'an 710025, China;
2. National and Local Union Engineering Research Center of High-performance Carbon Fiber Manufacture and Application, Xi'an 710089, China
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摘要 以准三维针刺碳纤维预制体,经化学气相渗透(CVI)法制备了4种密度的C/C多孔体,利用先驱体浸渍裂解法(PIP)制备了C/C-SiC复合材料,研究了C/C多孔体对C/C-SiC复合材料制备和最终性能的影响。结果表明:C/C多孔体密度越低,最终得到的C/C-SiC复合材料开孔隙率及SiC含量较高。SiC的存在使C/C-SiC材料具有较高的弯曲强度,纤维和基体界面也是影响弯曲强度的关键因素,其中密度为1.35g/cm3的C/C多孔体所制备的C/C-SiC复合材料纤维和基体之间形成较好的结合界面,其弯曲强度最大。同时,SiC含量增加可显著提高C/C-SiC复合材料的抗烧蚀性能。
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王玲玲
马文闵
嵇阿琳
崔红
闫联生
黄剑
关键词 C/C多孔体C/C-SiC复合材料弯曲性能抗烧蚀    
Abstract:Carbon fiber reinforced silicon carbide matrix (C/C-SiC) composites were prepared by precursor impregnation pyrolysis (PIP) process, using the four kinds of porous C/C composites with the same quasi-three dimensional needling preform but different pyrocarbon content filled by chemical vapor infiltration (CVI). The preparation and final performance of C/C-SiC composites have been investigated. The resullts show that the lower the density of C/C, the higher the open porosity and SiC matrix content of corresponding C/C-SiC. The existence of SiC matrix improves the bending strength of the C/C-SiC composite which was influenced significantly by the interfance of the fibers and matrix. The bending strength of the C/C-SiC composites produced of the C/C preform with the density of 1.35g/cm3 is the highest with the excellent fibers-matrix adhesion. It was also shown that with the increase of the SiC matrix content, the anti-ablative property improves observably.
Key wordsporous C/C    C/C-SiC composite    bending property    anti-ablative performance
收稿日期: 2013-01-15      出版日期: 2014-07-20
中图分类号:  TB332  
基金资助:国防重大基础科研项目(c0320110006)
通讯作者: 王玲玲(1985-)女,工程师,硕士,主要从事C/SiC陶瓷复合材料性能研究,联系地址:陕西省西安市101信箱308室(710025),E-mail:1985wllzpz@sina.com     E-mail: 1985wllzpz@sina.com
引用本文:   
王玲玲, 马文闵, 嵇阿琳, 崔红, 闫联生, 黄剑. C/C多孔体对C/C-SiC复合材料制备及性能的影响[J]. 材料工程, 2014, 0(7): 34-38.
WANG Ling-ling, MA Wen-min, JI A-lin, CUI Hong, YAN Lian-sheng, HUANG Jian. Effect of C/C Porous Preform on the Preparation and Properties of C/C-SiC Composites. Journal of Materials Engineering, 2014, 0(7): 34-38.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2014.07.007      或      http://jme.biam.ac.cn/CN/Y2014/V0/I7/34
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