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C/C复合材料CVI致密化过程及影响因素研究进展
引用本文:庞菲,崔红,李瑞珍. C/C复合材料CVI致密化过程及影响因素研究进展[J]. 炭素, 2011, 0(4): 18-22
作者姓名:庞菲  崔红  李瑞珍
作者单位:西安航天复合材料研究所,西安,710025
摘    要:综述了C/C复合材料CvI致密化过程中,气相反应、表面反应和扩散共同作用控制热解炭沉积的特点;讨论了沉积温度、气体压力、碳源气体种类、滞留时间、预制体等因素的影响.

关 键 词:C/C复合材料  化学气相渗透  气相反应  表面反应  扩散  热解炭

OVERVIEW OF CVI DENSIFICATION PROCESS AND AFFECTING FACTORS OF C/C COMPOSITES
Pang Fei , Cui Hong , Li Rui-zhen. OVERVIEW OF CVI DENSIFICATION PROCESS AND AFFECTING FACTORS OF C/C COMPOSITES[J]. Carbon(China), 2011, 0(4): 18-22
Authors:Pang Fei    Cui Hong    Li Rui-zhen
Affiliation:Pang Fei, Cui Hong, Li Rui - zhen (Xi'an Aerospace Composites Research Institute, Xi'an 710025, China)
Abstract:The CVI process for pyrocarbon deposition,which is dominated by gas-phase reactions, surface reactions, together with diffusion was reviewed briefly. The effects of deposition temperature, pressure, hydrocar- bon gases, residence time, and preforms on performances of C/C composites were also discussed.
Keywords:C/C composites  chemical vapor infiltration  gas phase reactions  surface reactions  diffusion  pyrocarbon
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