Oxidation behavior of 2D C/SiC composites coated with multi-layer SiC/Si-B-C/SiC coatings under wet oxygen atmosphere

Yongsheng Liu, Jiajia Wan, Xinzhang Zuo, Laifei Cheng, Litong Zhang

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48 引用 (Scopus)

摘要

Oxidation behavior of 2D C/SiC composites coated with multi-layer SiC/Si-B-C/SiC coatings had been investigated under wet oxygen atmosphere for 50 h. The multi-layer SiC/Si-B-C/SiC coatings showed excellent oxidation protection at all temperatures due to the effective crack sealing of borosilicate glass. Especially, the coated samples also had a high residual strength retention ratio (106.7%) and a low weight loss (0.058%) after oxidation at 1000 °C for 50 h. However, the increasing water partial pressure could improve the volatilization of borosilicate glass and weaken the sealing function of the glass at some extent when the oxidation temperature was above 1200 °C.

源语言英语
页(从-至)214-223
页数10
期刊Applied Surface Science
353
DOI
出版状态已出版 - 30 10月 2015

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