Effect of ablative angles on the ablation behaviors of ZrB2-SiC modified carbon/carbon composites
作者： Chuang Wang , Ke-zhi Li , Ying Lu , Lei Peng , Bingliang Li
DOI: 10.1016/J.JALLCOM.2018.02.228
关键词: Ablative case 、 Pyrolysis 、 Flow velocity 、 Modified carbon 、 Composite material 、 Ablation 、 Materials science 、 Carbon composites 、 Carbon
摘要: Abstract To analyze the effect of different ablation angles on ablative property carbon/carbon(C/C) composites modified by ZrB2-SiC, C/C-ZrB2-SiC (ZS) were prepared via precursor infiltration and pyrolysis (PIP). The then ablated oxyacetylene flame at 90° 0° (ZS-90° ZS-0°), respectively. results show that, ZS-0° angle, resistance was worse due to existence turbulent flame. temperature in inner cone gas flow velocity higher than those ZS-90°. At ZS-90°, damage dominated thermo-chemical ablation. mechanism mainly mechanical denudation with as supplement. dissimilar under resulted distinct surfaces, hence mechanisms.
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