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Pyrolytic carbon interface phase, preparation method and application thereof, carbon fiber reinforced silicon carbide ceramic-based composite material and preparation method thereof
The invention belongs to the technical field of carbon fiber reinforced silicon carbide ceramic-based composite materials, and particularly relates to a pyrolytic carbon interface phase, a preparation method and application thereof, a carbon fiber reinforced silicon carbide ceramic-based composite material and a preparation method of the carbon fiber reinforced silicon carbide ceramic-based composite material. The preparation method of the pyrolytic carbon interface phase provided by the invention comprises the following steps: providing a carbon fiber preform; carrying out chemical vapor infiltration on the surface of the carbon fiber preform by taking a gaseous hydrocarbon substance as a carbon source, and forming a pyrolytic carbon interface phase on the surface of the carbon fiber preform; the chemical vapor deposition comprises preheating and deposition in sequence; the vacuum degree of preheating is 880 to 980 mbar, the temperature is 1000 to 1200 DEG C, and the heat preservation time is 2 to 3 hours; the flow of the carbon source in the deposition is 250-750 mL/min; the pressure is 30-100 mbar, the temperature is 900-1000 DEG C, and the heat preservation time is 2-3 hours.
本发明属于碳纤维增强碳化硅陶瓷基复合材料技术领域，特别涉及一种热解碳界面相及其制备方法和应用、碳纤维增强碳化硅陶瓷基复合材料及其制备方法。本发明提供的热解碳界面相的制备方法包括：提供碳纤维预制体；以气态烃类物质为碳源，在所述碳纤维预制体表面进行化学气相渗透，在碳纤维预制体表面形成热解碳界面相；所述化学气相沉积包括依次进行预热和沉积；所述预热的真空度为880～980mbar，温度为1000～1200℃，保温时间为2～3h；所述沉积中碳源的流量为250～750mL/min；压力为30～100mbar，温度为900～1000℃，保温时间为2～3h。
Pyrolytic carbon interface phase, preparation method and application thereof, carbon fiber reinforced silicon carbide ceramic-based composite material and preparation method thereof
The invention belongs to the technical field of carbon fiber reinforced silicon carbide ceramic-based composite materials, and particularly relates to a pyrolytic carbon interface phase, a preparation method and application thereof, a carbon fiber reinforced silicon carbide ceramic-based composite material and a preparation method of the carbon fiber reinforced silicon carbide ceramic-based composite material. The preparation method of the pyrolytic carbon interface phase provided by the invention comprises the following steps: providing a carbon fiber preform; carrying out chemical vapor infiltration on the surface of the carbon fiber preform by taking a gaseous hydrocarbon substance as a carbon source, and forming a pyrolytic carbon interface phase on the surface of the carbon fiber preform; the chemical vapor deposition comprises preheating and deposition in sequence; the vacuum degree of preheating is 880 to 980 mbar, the temperature is 1000 to 1200 DEG C, and the heat preservation time is 2 to 3 hours; the flow of the carbon source in the deposition is 250-750 mL/min; the pressure is 30-100 mbar, the temperature is 900-1000 DEG C, and the heat preservation time is 2-3 hours.
本发明属于碳纤维增强碳化硅陶瓷基复合材料技术领域，特别涉及一种热解碳界面相及其制备方法和应用、碳纤维增强碳化硅陶瓷基复合材料及其制备方法。本发明提供的热解碳界面相的制备方法包括：提供碳纤维预制体；以气态烃类物质为碳源，在所述碳纤维预制体表面进行化学气相渗透，在碳纤维预制体表面形成热解碳界面相；所述化学气相沉积包括依次进行预热和沉积；所述预热的真空度为880～980mbar，温度为1000～1200℃，保温时间为2～3h；所述沉积中碳源的流量为250～750mL/min；压力为30～100mbar，温度为900～1000℃，保温时间为2～3h。
Pyrolytic carbon interface phase, preparation method and application thereof, carbon fiber reinforced silicon carbide ceramic-based composite material and preparation method thereof
一种热解碳界面相及其制备方法和应用、碳纤维增强碳化硅陶瓷基复合材料及其制备方法
ZHANG ZHONGWEI (author) / DUAN HAOZHI (author) / LI AIJUN (author) / PANG XU (author) / LI WEIJIE (author) / JIA LINTAO (author)
2022-03-18
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Silicon carbide fiber reinforced carbon-ceramic composite material and preparation method thereof
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