Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)3 coating for carbon/carbon composites

Jian Zhang; Yulei Zhang; Yanqin Fu; Xiaofei Zhu; Ruicong Chen

doi:10.1016/j.corsci.2021.109586

Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)₃ coating for carbon/carbon composites

Jian Zhang, Yulei Zhang, Yanqin Fu, Xiaofei Zhu, Ruicong Chen

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

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摘要

To improve the service life of carbon/carbon (C/C) composites under ultra-high temperature ablation environments (> 2200 ℃), SiC/HfC coating with multi-layer alternating structure was designed and prepared on C/C composites by low-pressure chemical vapor deposition (LPCVD). The microstructure and phase compositions of the as-prepared and ablated coatings were investigated, and the influence of the multi-layer structure on the ablation behavior and thermal stress distribution of the coatings were analyzed as well. After ablation for 120 s, the (SiC/HfC)₃ coating has better ablation resistance due to its multi-layer structure and the formation of Hf-Si-O sticky glass phase.

源语言	英语
文章编号	109586
期刊	Corrosion Science
卷	189
DOI	https://doi.org/10.1016/j.corsci.2021.109586
出版状态	已出版 - 15 8月 2021
已对外发布	是

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@article{44d561f46819433b9a91c6016dfdc1e0,

title = "Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)3 coating for carbon/carbon composites",

abstract = "To improve the service life of carbon/carbon (C/C) composites under ultra-high temperature ablation environments (> 2200 ℃), SiC/HfC coating with multi-layer alternating structure was designed and prepared on C/C composites by low-pressure chemical vapor deposition (LPCVD). The microstructure and phase compositions of the as-prepared and ablated coatings were investigated, and the influence of the multi-layer structure on the ablation behavior and thermal stress distribution of the coatings were analyzed as well. After ablation for 120 s, the (SiC/HfC)3 coating has better ablation resistance due to its multi-layer structure and the formation of Hf-Si-O sticky glass phase.",

keywords = "Ablation resistance, C/C composites, LPCVD, Multi-layer alternating coating, SiC/HfC",

author = "Jian Zhang and Yulei Zhang and Yanqin Fu and Xiaofei Zhu and Ruicong Chen",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

year = "2021",

month = aug,

day = "15",

doi = "10.1016/j.corsci.2021.109586",

language = "英语",

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T1 - Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)3 coating for carbon/carbon composites

AU - Zhang, Jian

AU - Zhang, Yulei

AU - Fu, Yanqin

AU - Zhu, Xiaofei

AU - Chen, Ruicong

PY - 2021/8/15

Y1 - 2021/8/15

N2 - To improve the service life of carbon/carbon (C/C) composites under ultra-high temperature ablation environments (> 2200 ℃), SiC/HfC coating with multi-layer alternating structure was designed and prepared on C/C composites by low-pressure chemical vapor deposition (LPCVD). The microstructure and phase compositions of the as-prepared and ablated coatings were investigated, and the influence of the multi-layer structure on the ablation behavior and thermal stress distribution of the coatings were analyzed as well. After ablation for 120 s, the (SiC/HfC)3 coating has better ablation resistance due to its multi-layer structure and the formation of Hf-Si-O sticky glass phase.

AB - To improve the service life of carbon/carbon (C/C) composites under ultra-high temperature ablation environments (> 2200 ℃), SiC/HfC coating with multi-layer alternating structure was designed and prepared on C/C composites by low-pressure chemical vapor deposition (LPCVD). The microstructure and phase compositions of the as-prepared and ablated coatings were investigated, and the influence of the multi-layer structure on the ablation behavior and thermal stress distribution of the coatings were analyzed as well. After ablation for 120 s, the (SiC/HfC)3 coating has better ablation resistance due to its multi-layer structure and the formation of Hf-Si-O sticky glass phase.

KW - Ablation resistance

KW - C/C composites

KW - LPCVD

KW - Multi-layer alternating coating

KW - SiC/HfC

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DO - 10.1016/j.corsci.2021.109586

M3 - 文章

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SN - 0010-938X

VL - 189

JO - Corrosion Science

JF - Corrosion Science

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Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)3 coating for carbon/carbon composites

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Long-time ablation behavior of the multilayer alternating CVD-(SiC/HfC)₃ coating for carbon/carbon composites