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Journal of Inorganic Materials

Journal of Inorganic Materials >

2008 , Vol. 23 >Issue 2: 233 - 237

DOI: https://doi.org/10.3724/SP.J.1077.2008.00233

Research Paper

Microstructure of C/SiC Braking Material

  • XU Fang ,
  • ZHANG Li-Tong ,
  • MENG Xiang-Kang ,
  • CHEN Yan-Feng ,
  • XU Yong-Dong ,
  • FAN Shang-Wu ,
  • ZHANG Yi
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  • 1. National Key Laboratory of Thermostructure Composite Materials, Northwestern Polytechnical University, Xi'an 710072, China; 2. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China

Received date: 2007-04-26

  Revised date: 2007-06-14

  Online published: 2008-03-20

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Abstract

Carbon fiber reinforced silicon carbide matrix (C/SiC) braking materials were prepared by a reactive melt infiltration method. The microstructure characteristics of SiC were studied by means of optical microscope, scanning electron microscope and transmission electron microscope in combination with component analysis by X-ray diffraction. Results show that β-SiC zone usually forms inside the short-cut fabric, around the needling fibers, and among the fiber bundles in the non-woven web. Residual Si locates among SiC grains. In C/SiC composites, there exist two different areas of SiC, one is coarser β-SiC grains between 5--15μm at the SiC-Si interface. and the other is a zone of a fine grained β-SiC layer with dimension of about 100nm at the SiC-C interface.

Key words： carbon/silicon carbide; braking material; microstructure

Cite this article

XU Fang , ZHANG Li-Tong , MENG Xiang-Kang , CHEN Yan-Feng , XU Yong-Dong , FAN Shang-Wu , ZHANG Yi . Microstructure of C/SiC Braking Material[J]. Journal of Inorganic Materials, 2008 , 23(2) : 233 -237 . DOI: 10.3724/SP.J.1077.2008.00233

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