Journal of Inorganic Materials, Volume. 35, Issue 9, 1017(2020)

Effect of Precursors on Impregnation Behaviors of C/SiC Composites

Bingyu ZHANG1,2, ling WANG1,2, Xiaomeng WANG1,2, and Haipeng QIU1,2
Author Affiliations
  • 1AVIC Manufacturing Technology Institute, Beijing 100024, China
  • 2AVIC Composite Co., Ltd, Beijing101300, China
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    Figures & Tables(9)
    TGA curves of PCS pyrolysis in inert atmosphere
    Flexural strain-stress curves of C/SiC composites with different precursors
    SEM images of C/SiC composites after 1st cycle of PIP process
    SEM images of C/SiC composites after 3nd cycle of PIP process
    SEM images of C/SiC composites after 10th cycle of PIP process
    Schematic diagram of impregnation of C fiber preforms
    • Table 1. Density and porosity of C/SiC composites prepared with different precursors

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      Table 1. Density and porosity of C/SiC composites prepared with different precursors

      C/SiC compositesPrecursors typeDensity /(g·cm-³)Porosity/%
      C/SiC-0PCS(s)1.995.18
      C/SiC-ⅠPCS-Ⅰ(l)1.985.34
      C/SiC-ⅡPCS-Ⅱ(l)1.816.12
    • Table 2. Molecular mass of different precursors

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      Table 2. Molecular mass of different precursors

      Precursors typemnmwmpmz
      PCS(s)16984813622110951
      PCS-Ⅰ(l)10774051221114695
      PCS-Ⅱ(l)4495573533698010
    • Table 3. Flexural strength and modulus of C/SiC composites prepared with different precursors

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      Table 3. Flexural strength and modulus of C/SiC composites prepared with different precursors

      SpecimenAverage flexural strength/MPaAverage flexural modulus/GPa
      C/SiC-029349.1
      C/SiC-Ⅰ33653.8
      C/SiC-Ⅱ28047.1
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    Bingyu ZHANG, ling WANG, Xiaomeng WANG, Haipeng QIU. Effect of Precursors on Impregnation Behaviors of C/SiC Composites[J]. Journal of Inorganic Materials, 2020, 35(9): 1017

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    Paper Information

    Category: RESEARCH PAPER

    Received: Oct. 22, 2019

    Accepted: --

    Published Online: Mar. 3, 2021

    The Author Email:

    DOI:10.15541/jim20190541

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