Microstructure and ablation resistance of carbon/carbon composites with a zirconium carbide rich surface layer
作者： Cuiyan Li , Kezhi Li , Hejun Li , Yulei Zhang , Haibo Ouyang
DOI: 10.1016/J.CORSCI.2014.04.013
关键词: Reinforced carbon–carbon 、 Zirconium carbide 、 Composite material 、 Composite number 、 Carbon 、 Microstructure 、 Layer (electronics) 、 Materials science 、 Oxidizing agent 、 Surface layer
摘要: Abstract Zirconium carbide (ZrC) rich surface layer with a thickness of 80–100 μm was prepared on carbon/carbon (C/C) composites. The ZrC-rich consisted submicron ZrC particles, homogeneously dispersed in the carbon matrix. mass ablation rate composite 69% lower than that bare C/C could seal pores and cracks to restrain preferential defect area form continuously melting ZrO 2 prevent from oxidizing during ablation. strengthened reduce mechanical denudation
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