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    Journals >Journal of Inorganic Materials >Volume 34 >Issue 8 >Page 904 > Article
    • Journal of Inorganic Materials
    • Vol. 34, Issue 8, 904 (2019)
    Oxidation Behavior of SiCf/SiC Composites Modified by Layered-Y2Si2O7 in Wet Oxygen Environment
    Peng WANG1、2, Qing-Lei WANG3, Xiang-Yu ZHANG1、2、*, Jin-Shan YANG1、2、*, Hai-Jun ZHOU1、2, Jian-Bao HU1、2, Yu-Sheng DING1、2, and Shao-Ming DONG1、2
    Author Affiliations
  • 1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Beijing Institute of Space Mechanics & Electricity, Beijing 100076, China;
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    DOI: 10.15541/jim20180590 Cite this Article
    Peng WANG, Qing-Lei WANG, Xiang-Yu ZHANG, Jin-Shan YANG, Hai-Jun ZHOU, Jian-Bao HU, Yu-Sheng DING, Shao-Ming DONG. Oxidation Behavior of SiCf/SiC Composites Modified by Layered-Y2Si2O7 in Wet Oxygen Environment[J]. Journal of Inorganic Materials, 2019, 34(8): 904 Copy Citation Text show less
    Micro-region XRD patterns of samples (a) C0, C1, C2 and P1, and (b) Y2O3 before and after CVI
    . Micro-region XRD patterns of samples (a) C0, C1, C2 and P1, and (b) Y2O3 before and after CVI
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    SEM images of samples (a) P1 and (b) C1 with insets showing EDS analysis of the white region in sample P1 and C1
    . SEM images of samples (a) P1 and (b) C1 with insets showing EDS analysis of the white region in sample P1 and C1
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    SEM images of the cutting surface of the composites
    . SEM images of the cutting surface of the composites
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    Oxidation models of SiCf/SiC-Y2Si2O7 in wet oxygen
    . Oxidation models of SiCf/SiC-Y2Si2O7 in wet oxygen
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    (a) Mechanical strength and (b) strength retention of the composites after oxidation for different time
    . (a) Mechanical strength and (b) strength retention of the composites after oxidation for different time
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    C0C1C2
    Porosity/%8.69±0.2711.49±0.9313.63±0.35
    Density/(g•cm-3)2.75±0.022.60±0.022.50±0.01
    Table 1.

    Density and porosity of the composites

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    Peng WANG, Qing-Lei WANG, Xiang-Yu ZHANG, Jin-Shan YANG, Hai-Jun ZHOU, Jian-Bao HU, Yu-Sheng DING, Shao-Ming DONG. Oxidation Behavior of SiCf/SiC Composites Modified by Layered-Y2Si2O7 in Wet Oxygen Environment[J]. Journal of Inorganic Materials, 2019, 34(8): 904
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