<trans-title>Oxidation Behavior of SiCf/SiC Composites Modified by Layered-Y2Si2O7 in Wet Oxygen Environment</trans-title>

Peng WANG; Qing-Lei WANG; Xiang-Yu ZHANG; Jin-Shan YANG; Hai-Jun ZHOU; Jian-Bao HU; Yu-Sheng DING; Shao-Ming DONG

doi:10.15541/jim20180590

Journal of Inorganic Materials, Volume. 34, Issue 8, 904(2019)

Oxidation Behavior of SiC_f/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 DONG12 |Show fewer author(s)

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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Figures & Tables(6)

. 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) P₁and (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

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. Oxidation models of SiC_f/SiC-Y₂Si₂O₇ in wet oxygen

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. (a) Mechanical strength and (b) strength retention of the composites after oxidation for different time

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Table 1.
Density and porosity of the composites
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Table 1.
Density and porosity of the composites
C₀ C₁ C₂
Porosity/% 8.69±0.27 11.49±0.93 13.63±0.35
Density/(g•cm^-3) 2.75±0.02 2.60±0.02 2.50±0.01

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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 SiC_f/SiC Composites Modified by Layered-Y₂Si₂O₇ in Wet Oxygen Environment[J]. Journal of Inorganic Materials, 2019, 34(8): 904

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