C/C-HfC-SiC composites with simultaneous the resistance to ultra-high temperature airflow erosion and high temperature oxidation

Liu, Zhiqiang; Jia, Yujun; Hou, Jiaqi; Zhang, Ruoxi; Zhang, Shubo; Zhang, Jiaping; Fu, qiangang

doi:10.1016/j.jmat.2024.02.006

Journal of Materiomics

2025

DOI: 10.1016/j.jmat.2024.02.006

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C/C-HfC-SiC composites with simultaneous the resistance to ultra-high temperature airflow erosion and high temperature oxidation

Zhiqiang Liu,

Yujun Jia,

Jiaqi Hou

et al.

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Cited by 2 publications

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Advanced anti-ablation C/C composites: structural design strategies and future perspective

Zhang,

Guo,

Liu

et al. 2024

Materials Today

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Advanced anti-ablation C/C composites: structural design strategies and future perspective

Zhang,

Guo,

Liu

et al. 2024

Materials Today

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Microstructure and ablation behavior of C/C–HfC–SiC composites fabricated by reactive melt infiltration with Hf–Si alloy

Xu,

Jia,

Liu

et al. 2024

J Am Ceram Soc.

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C/C–HfC–SiC composites were prepared by reactive melt infiltration using Hf–Si alloy (Hf, more than 95 wt%) with a density of 3.86 g/cm3 and an open porosity of 8.34%. The microstructure, mechanical properties, and ablation behavior at high temperatures were studied in detail. SiC played a crucial role in alleviating the thermal mismatch between HfC and PyC, which formed at the interface between the carbon matrix and the HfC matrix. The flexural strength and modulus of C/C–HfC–SiC composites were 237 MPa and 37.6 GPa, respectively. The C/C–HfC–SiC composites exhibited excellent ablation resistance with a linear ablation rate of 8.9 × 10−3 mm/s and maintained a surface temperature above 2925°C during ablation. During this process, HfO₂ remained in a molten state with high viscosity and served as a thermal barrier, while the volatilization of SiO₂ effectively removed heat, protecting the composites from further ablation.

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C/C-HfC-SiC composites with simultaneous the resistance to ultra-high temperature airflow erosion and high temperature oxidation

Cited by 2 publications

References 34 publications

Advanced anti-ablation C/C composites: structural design strategies and future perspective

Advanced anti-ablation C/C composites: structural design strategies and future perspective

Microstructure and ablation behavior of C/C–HfC–SiC composites fabricated by reactive melt infiltration with Hf–Si alloy

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