Xuqin LI, Zhiyong TAN, Laifei CHENG, Lingke ZHOU, Jian GAO. Tensile Behaviors and Matrix Cracking Mechanism of C/SiCN Composite Prepared by Precursor Infiltration Pyrolysis Method [J]. Journal of Inorganic Materials, 2020, 35(11): 1227
- Journal of Inorganic Materials
- Vol. 35, Issue 11, 1227 (2020)
1. XRD patterns of mini C/SiCN composite heat-treated at different temperatures
2. (a) Typical tensile stress versus displacement curve for mini C/SiCN composite fabricated by different PIP cycles; (b) tensile strength as a function of PIP cycle
3. SEM micrographs of mini C/SiCN composite fabricated by different PIP cycles (a) One cycle; (b) Two cycles; (c) Three cycles; (d) Four cycles
4. Contour map and 3D surface view of surface roughness
5. Matrix crack spacing and crack opening distance as a function of PIP cycle
6. Fiber pull-out for mini C/SiCN composite fabricated by different PIP cycles (a) One cycle; (b) Two cycles; (c) Three cycles; (d) Four cycles
7. Schematic of crack deflection
8. Bonding between fiber and matrix of mini C/SiCN composite prepared by (a) one PIP cycle and (b) four PIP cycles
9. (a) Typical tensile stress versus displacement curve for mini C/SiCN composite after heat-treatment at different temperatures; (b) the tensile strength as a function of heat treatment temperature
10. SEM images of mini C/SiCN composite heat-treated at different temperatures (a) 1000 ℃; (b) 1200 ℃; (c) 1400 ℃; (d) 1600 ℃
11. Crystalline morphologies of the SiCN matrix after heat-treatment at 1600 ℃
12. Fiber pull-out for mini C/SiCN composite after heat-treatment at different temperatures (a) 1000 ℃; (b) 1200 ℃; (c) 1400 ℃; (d) 1600 ℃
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Table 1. Chemical compositions of mini C/SiCN composite heat-treated at different temperatures
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