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Ceramic-based composite material with organic nanofiber modified carbon nanotube fiber as heat conduction path and preparation method of ceramic-based composite material
The invention relates to a ceramic-based composite material with organic nanofiber modified carbon nanotube fibers as a heat conduction path and a preparation method of the ceramic-based composite material. The method comprises the following steps: swelling carbon nanotube fibers in strong acid; preparing an organic nanofiber solution; the preparation method comprises the following steps: soaking swollen carbon nanotube fibers in an organic nanofiber solution, circularly drafting, carrying out coagulating bath treatment, washing and drying to obtain organic nanofiber modified carbon nanotube fibers, weaving the organic nanofiber modified carbon nanotube fibers into a fiber preform, and depositing a carbon interface layer on the fiber surface of the fiber preform through a chemical vapor deposition method to obtain the organic nanofiber modified carbon nanotube fibers. Carrying out microwave instantaneous high-temperature treatment to obtain a high-thermal-conductivity preform framework; a ceramic precursor reacts with a high-thermal-conductivity preform framework through an impregnation and pyrolysis method, and the ceramic-based composite material with the organic nanofiber modified carbon nanotube fibers as a heat conduction path is prepared. The ceramic-based composite material prepared by the invention has high heat-conducting property and high mechanical strength, and can meet the requirements of long-time oxidation resistance and service reliability.
本发明涉及一种有机纳米纤维改性碳纳米管纤维作为热疏导通路的陶瓷基复合材料及其制备方法。所述方法：将碳纳米管纤维置于强酸中溶胀；配制有机纳米纤维溶液；将溶胀碳纳米管纤维浸泡在有机纳米纤维溶液中并循环牵伸，然后经过凝固浴处理、水洗与干燥，得到有机纳米纤维改性碳纳米管纤维，将其编织成纤维预制体，然后通过化学气相沉积法在纤维预制体的纤维表面沉积碳界面层，再经微波瞬时高温处理，得到高导热预制体骨架；通过浸渍裂解法将陶瓷前驱体与高导热预制体骨架反应，制得有机纳米纤维改性碳纳米管纤维作为热疏导通路的陶瓷基复合材料。本发明制备的陶瓷基复合材料同时具备高导热性能、高力学强度且能满足长时抗氧化和使役可靠性要求。
Ceramic-based composite material with organic nanofiber modified carbon nanotube fiber as heat conduction path and preparation method of ceramic-based composite material
The invention relates to a ceramic-based composite material with organic nanofiber modified carbon nanotube fibers as a heat conduction path and a preparation method of the ceramic-based composite material. The method comprises the following steps: swelling carbon nanotube fibers in strong acid; preparing an organic nanofiber solution; the preparation method comprises the following steps: soaking swollen carbon nanotube fibers in an organic nanofiber solution, circularly drafting, carrying out coagulating bath treatment, washing and drying to obtain organic nanofiber modified carbon nanotube fibers, weaving the organic nanofiber modified carbon nanotube fibers into a fiber preform, and depositing a carbon interface layer on the fiber surface of the fiber preform through a chemical vapor deposition method to obtain the organic nanofiber modified carbon nanotube fibers. Carrying out microwave instantaneous high-temperature treatment to obtain a high-thermal-conductivity preform framework; a ceramic precursor reacts with a high-thermal-conductivity preform framework through an impregnation and pyrolysis method, and the ceramic-based composite material with the organic nanofiber modified carbon nanotube fibers as a heat conduction path is prepared. The ceramic-based composite material prepared by the invention has high heat-conducting property and high mechanical strength, and can meet the requirements of long-time oxidation resistance and service reliability.
本发明涉及一种有机纳米纤维改性碳纳米管纤维作为热疏导通路的陶瓷基复合材料及其制备方法。所述方法：将碳纳米管纤维置于强酸中溶胀；配制有机纳米纤维溶液；将溶胀碳纳米管纤维浸泡在有机纳米纤维溶液中并循环牵伸，然后经过凝固浴处理、水洗与干燥，得到有机纳米纤维改性碳纳米管纤维，将其编织成纤维预制体，然后通过化学气相沉积法在纤维预制体的纤维表面沉积碳界面层，再经微波瞬时高温处理，得到高导热预制体骨架；通过浸渍裂解法将陶瓷前驱体与高导热预制体骨架反应，制得有机纳米纤维改性碳纳米管纤维作为热疏导通路的陶瓷基复合材料。本发明制备的陶瓷基复合材料同时具备高导热性能、高力学强度且能满足长时抗氧化和使役可靠性要求。
Ceramic-based composite material with organic nanofiber modified carbon nanotube fiber as heat conduction path and preparation method of ceramic-based composite material
一种有机纳米纤维改性碳纳米管纤维作为热疏导通路的陶瓷基复合材料及其制备方法
YAN DAN (author) / HAO NAIRONG (author) / FENG SHIJIE (author) / LI JIMENG (author) / LI ZHIJIAN (author) / YANG LIANGWEI (author) / LIU WEI (author)
2024-10-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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