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首页> 外文期刊>Materials science forum >Study on the In Situ Growth of Carbon Nanotubes for the Reinforcement of Cf/SiC Composite Fabricated by CVI+PIP Process
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Study on the In Situ Growth of Carbon Nanotubes for the Reinforcement of Cf/SiC Composite Fabricated by CVI+PIP Process

机译：CVI + PIP工艺增强Cf / SiC复合材料的碳纳米管原位生长研究

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摘要

C_f/SiC composites were fabricated through in situ growth of carbon nanotubes (CNTs) on three-dimensional needle-punched carbon fabric via chemical vapor deposition and polymer impregnation and pyrolysis process. The mechanical and thermal properties of the composites were investigated. The flexural strength and fracture toughness were decreased due to the fiber volume fraction loss and much shorter pull-out length of fibers which was caused by the higher interfacial bonding strength between fiber and matrix after the growth of CNTs. Brittle fracture character of CNTs was observed due to the strong interfacial bonding strength between CNTs and matrix. The parallel thermal conductivity and perpendicular thermal conductivity were improved to 14.5% and 8.0% respectively.
机译：通过化学气相沉积，聚合物浸渍和热解过程在三维针刺碳纤维上原位生长碳纳米管（CNT）来制备C_f / SiC复合材料。研究了复合材料的机械性能和热性能。碳纳米管生长后，由于纤维与基体之间的界面结合强度较高，导致纤维体积分数的损失和纤维拉出长度的缩短，使得弯曲强度和断裂韧性降低。由于CNT与基质之间的强界面结合强度，观察到了CNT的脆性断裂特性。平行热导率和垂直热导率分别提高到14.5％和8.0％。

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  • 来源
    《Materials science forum》 |2013年第2013期|582-586|共5页
  • 作者

    Jianbao Hu; Shaoming Dong; Xiangyu Zhang; Zhen Wang; Haijun Zhou; Ping He; Bin Wu;

  • 作者单位

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Graduate University of Chinese Academy of Sciences, Beijing 100049, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

    State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China,Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    C_f/SiC; composites; carbon nanotubes; CVI+PIP;

    机译：C_f / SiC;复合材料碳纳米管;CVI +画中画;

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