• Journal of Inorganic Materials
  • Vol. 35, Issue 9, 1017 (2020)
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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    DOI: 10.15541/jim20190541 Cite this Article
    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 Copy Citation Text show less
    TGA curves of PCS pyrolysis in inert atmosphere
    1. TGA curves of PCS pyrolysis in inert atmosphere
    Flexural strain-stress curves of C/SiC composites with different precursors
    2. Flexural strain-stress curves of C/SiC composites with different precursors
    SEM images of C/SiC composites after 1st cycle of PIP process
    3. SEM images of C/SiC composites after 1st cycle of PIP process
    SEM images of C/SiC composites after 3nd cycle of PIP process
    4. SEM images of C/SiC composites after 3nd cycle of PIP process
    SEM images of C/SiC composites after 10th cycle of PIP process
    5. SEM images of C/SiC composites after 10th cycle of PIP process
    Schematic diagram of impregnation of C fiber preforms
    6. Schematic diagram of impregnation of C fiber preforms
    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 1. Density and porosity of C/SiC composites prepared with different precursors
    Precursors typemnmwmpmz
    PCS(s)16984813622110951
    PCS-Ⅰ(l)10774051221114695
    PCS-Ⅱ(l)4495573533698010
    Table 2. Molecular mass of different precursors
    SpecimenAverage flexural strength/MPaAverage flexural modulus/GPa
    C/SiC-029349.1
    C/SiC-Ⅰ33653.8
    C/SiC-Ⅱ28047.1
    Table 3. Flexural strength and modulus of C/SiC composites prepared with different precursors
    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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