Oxidation Behavior of Yb2Si2O7 Modified SiC/SiC Mini-composites

Shuang MU; Qin MA; Yu ZHANG; Xu SHEN; Jinshan YANG; Shaoming DONG

doi:10.15541/jim20240148

Journals >Journal of Inorganic Materials >Volume 40 >Issue 3 >Page 323 > Article

Journal of Inorganic Materials
Vol. 40, Issue 3, 323 (2025)

Oxidation Behavior of Yb₂Si₂O₇ Modified SiC/SiC Mini-composites

Shuang MU^1,2, Qin MA^1,2, Yu ZHANG^1,2, Xu SHEN^1,2..., Jinshan YANG^1,2,* and Shaoming DONG^1,2,*|Show fewer author(s)

Author Affiliations

¹1. State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China

²2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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DOI: 10.15541/jim20240148 Cite this Article

Shuang MU, Qin MA, Yu ZHANG, Xu SHEN, Jinshan YANG, Shaoming DONG. Oxidation Behavior of Yb₂Si₂O₇ Modified SiC/SiC Mini-composites [J]. Journal of Inorganic Materials, 2025, 40(3): 323 Copy Citation Text

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Schematic diagram of preparation of Yb2Si2O7 modified SiC/SiC mini-composites

1. Schematic diagram of preparation of Yb₂Si₂O₇ modified SiC/SiC mini-composites

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SEM images of cross-sections of (a, b) coated fibers, (c, e) SiC/SiC, and (d, f) SiC/SiC-Yb2Si2O7 mini-composites

2. SEM images of cross-sections of (a, b) coated fibers, (c, e) SiC/SiC, and (d, f) SiC/SiC-Yb₂Si₂O₇ mini-composites

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3. Tensile force-displacement curves of (a) SiC/SiC and (b) SiC/SiC-Yb₂Si₂O₇ mini-composites

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4. Fracture morphologies of (a, b) SiC/SiC and (c, d) SiC/SiC-Yb₂Si₂O₇ mini-composites

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5. Weight change of SiC/SiC and SiC/SiC-Yb₂Si₂O₇ mini-composites during oxidation at 1200 and 1400 ℃ for 50 h with inset showing the weight change during oxidation at 1200 ℃ for 80 h

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$Tensile fracture morphologies of (a, c, e) SiC/SiC, and (b, d, f) SiC/SiC-Yb2Si2O7 mini-composites after oxidation at (a-d) 1200 ℃ with EDS results (table at the bottom), and (e, f) at 1400 ℃, respectively$

6. Tensile fracture morphologies of (a, c, e) SiC/SiC, and (b, d, f) SiC/SiC-Yb₂Si₂O₇ mini-composites after oxidation at (a-d) 1200 ℃ with EDS results (table at the bottom), and (e, f) at 1400 ℃, respectively

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Material	Tensile strength/MPa
Material	As-prepared	Oxidation at 1200 ℃	Oxidation at 1400 ℃
SiC/SiC	506±56	391±69	351±56
SiC/SiC-Yb₂Si₂O₇	484±83	425±21	374±33

Table 1.

Tensile properties of mini-composites

Shuang MU, Qin MA, Yu ZHANG, Xu SHEN, Jinshan YANG, Shaoming DONG. Oxidation Behavior of Yb₂Si₂O₇ Modified SiC/SiC Mini-composites [J]. Journal of Inorganic Materials, 2025, 40(3): 323

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