TY - CHAP
T1 - Effect of water vapor on the oxidation behavior of CVD-BCX
AU - Zhang, Weihua
AU - Cheng, Laifei
AU - Liu, Yongsheng
AU - Luan, Xin’gang
N1 - Publisher Copyright:
© 2014 by The American Ceramic Society. All rights reserved.
PY - 2014/1/1
Y1 - 2014/1/1
N2 - Boron carbide is the basic constituent of multi-layered self-healing ceramic matrix composites. In this paper, BCX was prepared by Chemical Vapor Deposition (CVD). Oxidation behavior of CVD-BCX was investigated under wet oxygen atmospheres at the temperature ranged from 700 to 1200 °C, combined with the thermodynamic calculation of B2O3 volatilization with water vapor. The oxidation mechanism of CVD-BCX and the effect of water vapor on the oxidation behavior of CVD-BCX were analyzed. It is found that, at intermediate temperature (700 °C), with the increment of water vapor content, oxidation of CVD-BCX turns from passive mode to active mode. While at high temperature (1000 - 1200 °C), the influence of water vapor on the oxidation behavior of CVD-BCX becomes less, the temperature is the main factor influencing the oxidation of CVD-BCX.
AB - Boron carbide is the basic constituent of multi-layered self-healing ceramic matrix composites. In this paper, BCX was prepared by Chemical Vapor Deposition (CVD). Oxidation behavior of CVD-BCX was investigated under wet oxygen atmospheres at the temperature ranged from 700 to 1200 °C, combined with the thermodynamic calculation of B2O3 volatilization with water vapor. The oxidation mechanism of CVD-BCX and the effect of water vapor on the oxidation behavior of CVD-BCX were analyzed. It is found that, at intermediate temperature (700 °C), with the increment of water vapor content, oxidation of CVD-BCX turns from passive mode to active mode. While at high temperature (1000 - 1200 °C), the influence of water vapor on the oxidation behavior of CVD-BCX becomes less, the temperature is the main factor influencing the oxidation of CVD-BCX.
KW - Ceramic matrix composites
KW - Chemical vapor deposition
KW - Oxidation
KW - Thermodynamics
KW - Water vapor
UR - https://www.scopus.com/pages/publications/85101890997
U2 - 10.1002/9781118932995.ch28
DO - 10.1002/9781118932995.ch28
M3 - 章节
AN - SCOPUS:85101890997
SN - 9781118932988
SP - 261
EP - 270
BT - High Temperature Ceramic Matrix Composites 8
PB - wiley
ER -