Design of an inlaid interface structure to improve the oxidation protective ability of SiC-MoSi2-ZrB2 coating for C/C composites

Qian Gang Fu, Jun Yi Jing, He Jun Li, Xiu Xiu Jin, Lei Zhuang, Lu Li

科研成果: 期刊稿件文章同行评审

24 引用 (Scopus)

摘要

To improve the oxidation protective ability of SiC-MoSi2-ZrB2 coating for carbon/carbon (C/C) composites, pre-oxidation treatment and pack cementation were applied to construct a buffer interface layer between C/C substrate and SiC-MoSi2-ZrB2 coating. The tensile strength increased from 2.29 to 3.35 MPa after pre-oxidation treatment, and the mass loss was only 1.91% after oxidation at 1500 °C for 30 h. Compared with the coated C/C composites without pre-oxidation treatment, after 18 thermal cycles from 1500 °C and room temperature, the mass loss was decreased by 30.6%. The improvements of oxidation resistance and mechanical property are primarily attributed to the formation of inlaid interface between the C/C substrate and SiC-MoSi2-ZrB2 coating.

源语言英语
页(从-至)4212-4220
页数9
期刊Ceramics International
42
3
DOI
出版状态已出版 - 15 2月 2016

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