Oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C

Qing Zhang; Xinzhang Zuo; Yongsheng Liu; Litong Zhang; Laifei Cheng; Xiaoying Liu

doi:10.1016/j.jeurceramsoc.2016.05.050

Oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C

Qing Zhang
, Xinzhang Zuo
, Yongsheng Liu
, Litong Zhang
, Laifei Cheng
, Xiaoying Liu

材料学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

30 引用（Scopus）

摘要

Si-B-C ceramic is an effective self-healing component to improve the oxidation resistance of C/SiC composites for long-life applications in aircraft and aerospace fields. To clarify protection mechanisms, oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C were investigated in this work. Microstructure, bonds transformation and phase evolution of Si-B-C ceramic after oxidation were analyzed. The weight loss of Si-B-C ceramic increased linearly with time between 700 °C and 1000 °C, while it changed in a non-linear way above 1200 °C. The oxidation production of Si-B-C ceramic in wet oxygen is mainly composed of Si(OH)₄, SiO₂, H₃BO₃, B₂O₃ and B₂O. The oxidation resistance of Si-B-C in wet oxygen is better than that of single-phase B₄C ceramic because borosilicate glass is rapidly formed, which can effectively resist the wet oxygen. No fiber oxidation is found up to 1400 °C.

源语言	英语
页（从-至）	3709-3715
页数	7
期刊	Journal of the European Ceramic Society
卷	36
期	15
DOI	https://doi.org/10.1016/j.jeurceramsoc.2016.05.050
出版状态	已出版 - 1 11月 2016

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10.1016/j.jeurceramsoc.2016.05.050

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title = "Oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C",

abstract = "Si-B-C ceramic is an effective self-healing component to improve the oxidation resistance of C/SiC composites for long-life applications in aircraft and aerospace fields. To clarify protection mechanisms, oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C were investigated in this work. Microstructure, bonds transformation and phase evolution of Si-B-C ceramic after oxidation were analyzed. The weight loss of Si-B-C ceramic increased linearly with time between 700 °C and 1000 °C, while it changed in a non-linear way above 1200 °C. The oxidation production of Si-B-C ceramic in wet oxygen is mainly composed of Si(OH)4, SiO2, H3BO3, B2O3 and B2O. The oxidation resistance of Si-B-C in wet oxygen is better than that of single-phase B4C ceramic because borosilicate glass is rapidly formed, which can effectively resist the wet oxygen. No fiber oxidation is found up to 1400 °C.",

keywords = "Chemical vapor deposition, Oxidation behavior, Oxidation mechanism, Si-B-C ceramic, Wet oxygen",

author = "Qing Zhang and Xinzhang Zuo and Yongsheng Liu and Litong Zhang and Laifei Cheng and Xiaoying Liu",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd",

year = "2016",

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doi = "10.1016/j.jeurceramsoc.2016.05.050",

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TY - JOUR

T1 - Oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C

AU - Zhang, Qing

AU - Zuo, Xinzhang

AU - Liu, Yongsheng

AU - Zhang, Litong

AU - Cheng, Laifei

AU - Liu, Xiaoying

PY - 2016/11/1

Y1 - 2016/11/1

N2 - Si-B-C ceramic is an effective self-healing component to improve the oxidation resistance of C/SiC composites for long-life applications in aircraft and aerospace fields. To clarify protection mechanisms, oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C were investigated in this work. Microstructure, bonds transformation and phase evolution of Si-B-C ceramic after oxidation were analyzed. The weight loss of Si-B-C ceramic increased linearly with time between 700 °C and 1000 °C, while it changed in a non-linear way above 1200 °C. The oxidation production of Si-B-C ceramic in wet oxygen is mainly composed of Si(OH)4, SiO2, H3BO3, B2O3 and B2O. The oxidation resistance of Si-B-C in wet oxygen is better than that of single-phase B4C ceramic because borosilicate glass is rapidly formed, which can effectively resist the wet oxygen. No fiber oxidation is found up to 1400 °C.

AB - Si-B-C ceramic is an effective self-healing component to improve the oxidation resistance of C/SiC composites for long-life applications in aircraft and aerospace fields. To clarify protection mechanisms, oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C were investigated in this work. Microstructure, bonds transformation and phase evolution of Si-B-C ceramic after oxidation were analyzed. The weight loss of Si-B-C ceramic increased linearly with time between 700 °C and 1000 °C, while it changed in a non-linear way above 1200 °C. The oxidation production of Si-B-C ceramic in wet oxygen is mainly composed of Si(OH)4, SiO2, H3BO3, B2O3 and B2O. The oxidation resistance of Si-B-C in wet oxygen is better than that of single-phase B4C ceramic because borosilicate glass is rapidly formed, which can effectively resist the wet oxygen. No fiber oxidation is found up to 1400 °C.

KW - Chemical vapor deposition

KW - Oxidation behavior

KW - Oxidation mechanism

KW - Si-B-C ceramic

KW - Wet oxygen

UR - https://www.scopus.com/pages/publications/84981308730

U2 - 10.1016/j.jeurceramsoc.2016.05.050

DO - 10.1016/j.jeurceramsoc.2016.05.050

M3 - 文章

AN - SCOPUS:84981308730

SN - 0955-2219

VL - 36

SP - 3709

EP - 3715

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 15

ER -

Oxidation behaviors and mechanisms of CVD Si-B-C ceramic in wet oxygen from 700 °C to 1400 °C

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