Journal of Inorganic Materials, Volume. 39, Issue 6, 726(2024)
Figures & Tables(10)
1. Schematic diagram of C/HfC-SiC composites prepared by slurry pressure impregnation-assisted PIP process
2. Microstructure and corresponding EDS analyses of C/HfC-SiC composites
6. Ablation behavior of C/HfC-SiC composites under oxyacetylene torch flame
8. SEM images of ablation centers (a-c) and their corresponding EDS analyses (d) of S-25
Table 1. Densities, open porosities and compositions of C/HfC-SiC composites
View tableView in ArticleTable 1. Densities, open porosities and compositions of C/HfC-SiC composites
Sample Density/ (g·cm-3) Open porosity/% Fiber/% (in vol) HfC/% (in vol) SiC/% (in vol) S-15 2.20 5.4 43.4 13.1 32.6 S-20 2.37 4.3 40.8 16.5 31.2 S-25 2.58 5.6 37.1 20.3 30.9
Table 2. Mechanical properties of C/HfC-SiC composites
View tableView in ArticleTable 2. Mechanical properties of C/HfC-SiC composites
Sample Bending strength/MPa Bending modulus/GPa Tensile strength/MPa Tensile modulus/GPa Fracture toughness/(MPa·m1/2) S-15 333±18 56.0±2.6 152±16 62.0±4.5 12.0±3.2 S-20 295±31 50.0±1.4 145±5 60.0±1.8 11.0±1.7 S-25 307±9 53.4±1.9 147±16 62.5±5.1 9.3±1.8
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Yi SU, Yangfan SHI, Chenglan JIA, Pengtao CHI, Yang GAO, Qingsong MA, Sian CHEN.
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Received: Oct. 13, 2023
Accepted: --
Published Online: Jul. 31, 2024
The Author Email: CHEN Sian (chensian07@nudt.edu.cn)
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