Study on the Pyrolytic Carbon Generated by the Electric Heating CVD Method

作者：Xu Xianfeng; Ouyang Tian^*; Zeng Lingsheng; Chai Lingzhi

来源：Journal of Wuhan University of Technology-Materials Science Edition, 2018, 33(2): 409-413.

DOI：10.1007/s11595-018-1837-4

• C/C composite materials
• electric heating method
• chemical vapor deposition
• pyrolytic carbon

A new method of fabricating C/C composite materials, namely electric heating CVD method. was used, which electrified the carbon fiber directly by using the conductivity of itself. Acetylene was used as the carbon source with nitrogen as dilution gas, and the pyrolytic carbon started to deposit on the carbon fiber surface when the deposition temperature was reached. The morphology of pyrolytic carbon was characterized by SEM, and the surface properties of carbon fibers before and after CVD were characterized by Raman spectroscopy. The experimental results show that the electric heating method is a novel method to fabricate C/C composite materials, which can form a dense C/C composite material in a short time. The order degree and the average crystallite size of the carbon fiber surface were decreased after the experiment.

• 出版日期2018-4
• 单位华东交通大学; 湖北理工学院