Modifying effects of in-situ grown LaB6 on composition, microstructure and ablation property of C/C-SiC-ZrC composites

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Fabrication, microstructure and ablation resistance of C/C-SiC composites, by using a novel precursor of SiC

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Summary: The novel precursor of SiC, prepared by mixing boron phenolic resin and hydrolytic solution of tetraethyl orthosilicate, was utilized to fabricate ablation-resistant C/C-SiC composites. The precursor transformed into SiC with residual carbon after heating at 1600 degrees C, showing decent anti-ablation performance due to the unique surrounded structure between the carbon and silica phases. The carbon nucleus played a positive role in enhancing ablation resistance by hindering the flow of molten silica during ablation.

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Improvement of ablation resistance of CVD-HfC/SiC coating on hemisphere shaped C/C composites by introducing diffusion interface

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JOURNAL OF THE EUROPEAN CERAMIC SOCIETY (2021)

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Ablation behavior of (Zr,Ta)B2-SiC coating on carbon/carbon composites at 2300 °C

Kai Tong et al.

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CORROSION SCIENCE (2021)

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Article Materials Science, Ceramics

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Modifying effects of in-situ grown LaB6 on composition, microstructure and ablation property of C/C-SiC-ZrC composites

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