Ablation properties of C/C-UHTCs and their preparation by reactive infiltration of K2MeF6 (Me = Zr, Ti) molten salt

Yonglong Xu,Wei Sun,Chunmao Miao,Yuzhu Shen,Haikun Chen,Yufeng Liu,Hongbo Zhang,Xiang Xiong

Journal of the European Ceramic Society（2021）

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摘要

•C/C-UHTCs can be prepared by molten salt infiltration at low temperature.•Zr and Si dissolve in the molten salt and precipitate at the PyC interface.•Molten salt can replace Zr and Ti metal as a source of ZrC and TiC reactions.

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关键词

K2ZrF6,K2TiF6,Reactive molten salt infiltration,C/C composites,Ultra-high temperature ceramics (UHTCs)

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