Ablative property and mechanism of C/C-ZrB2-ZrC-SiC composites reinforced by SiC networks under plasma flame
Ablative property and mechanism of C/C-ZrB2-ZrC-SiC composites reinforced by SiC networks under plasma flame
复制标题
SiC网络增强C/C-ZrB2-ZrC-SiC复合材料在等离子火焰下的烧蚀性能及机理
DOI:
10.1016/j.corsci.2016.02.015
复制
发表时间:
2016-06
影响因子:
8.3
通讯作者:
Li Jun
中科院分区:
文献类型:
--
作者:
Chang Xin;Xue Liang;Zhong Ping;Li Jun
SiC network reinforced C/C-ZrB2-ZrC-SiC composites are prepared by precursor infiltration and pyrolysis process with C/C-ZrB2fabric as preform. SiC wires with different lengthscales form networks in pores and matrix of the composites. The composites exhibit good ablation resistance under the plasma flame. After ablation, a network reinforced film is formed in the ablation center, which can prevent the oxygen and heat attacking the substrate. The formation of the network interlocking structure not only improves the toughness of the film, but also enhances the bonding ability of the film due to the pinning effect of the ablated networks.
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