Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Polyimide fiber/carbon fiber reinforced carbon-carbon composite material and preparation method thereof
The invention relates to the technical field of high-thermal-conductivity composite materials, and discloses a polyimide fiber/carbon fiber reinforced carbon-carbon composite material and a preparation method thereof. The preparation method comprises the steps that polyimide fibers and carbon fibers are mixed and woven to prepare fiber cloth, the fiber cloth is cut into the size equivalent to that of a mold, the fiber cloth is evenly coated with resin or mesophase pitch, layering is conducted according to a fiber-resin or mesophase pitch-fiber sandwich structure, and the mold is used for multiple times of pressure forming; the preparation method comprises the following steps: carrying out low-speed carbonization and graphitization treatment to obtain a low-density high-thermal-conductivity composite material, carrying out dipping densification, carbonization and graphitization treatment for multiple times by using a high-temperature and high-pressure reaction kettle to obtain the high-thermal-conductivity carbon-carbon composite material, and the carbon-carbon composite material has excellent mechanical properties and thermal conductivity and is widely applied to industrial production.
本发明涉及高导热复合材料技术领域，公开一种聚酰亚胺纤维/碳纤维增强炭炭复合材料及制备方法。制备方法包括将聚酰亚胺纤维与碳纤维按混编制备成纤维布，纤维布切成与模具大小相当的尺寸，在纤维布上均匀涂刷树脂或中间相沥青，按照“纤维‑树脂或中间相沥青‑纤维”的夹心结构进行铺层，利用模具多次加压成型；经慢速碳化、石墨化处理得到低密的高导热复合材料，利用高温高压反应釜多次浸渍增密，碳化及石墨化处理，得到高导热炭炭复合材料，该炭炭复合材料同时具有优异的力学性能和导热性能，在工业化生产得到广泛应用。
Polyimide fiber/carbon fiber reinforced carbon-carbon composite material and preparation method thereof
The invention relates to the technical field of high-thermal-conductivity composite materials, and discloses a polyimide fiber/carbon fiber reinforced carbon-carbon composite material and a preparation method thereof. The preparation method comprises the steps that polyimide fibers and carbon fibers are mixed and woven to prepare fiber cloth, the fiber cloth is cut into the size equivalent to that of a mold, the fiber cloth is evenly coated with resin or mesophase pitch, layering is conducted according to a fiber-resin or mesophase pitch-fiber sandwich structure, and the mold is used for multiple times of pressure forming; the preparation method comprises the following steps: carrying out low-speed carbonization and graphitization treatment to obtain a low-density high-thermal-conductivity composite material, carrying out dipping densification, carbonization and graphitization treatment for multiple times by using a high-temperature and high-pressure reaction kettle to obtain the high-thermal-conductivity carbon-carbon composite material, and the carbon-carbon composite material has excellent mechanical properties and thermal conductivity and is widely applied to industrial production.
本发明涉及高导热复合材料技术领域，公开一种聚酰亚胺纤维/碳纤维增强炭炭复合材料及制备方法。制备方法包括将聚酰亚胺纤维与碳纤维按混编制备成纤维布，纤维布切成与模具大小相当的尺寸，在纤维布上均匀涂刷树脂或中间相沥青，按照“纤维‑树脂或中间相沥青‑纤维”的夹心结构进行铺层，利用模具多次加压成型；经慢速碳化、石墨化处理得到低密的高导热复合材料，利用高温高压反应釜多次浸渍增密，碳化及石墨化处理，得到高导热炭炭复合材料，该炭炭复合材料同时具有优异的力学性能和导热性能，在工业化生产得到广泛应用。
Polyimide fiber/carbon fiber reinforced carbon-carbon composite material and preparation method thereof
一种聚酰亚胺纤维/碳纤维增强炭炭复合材料及制备方法
LI BAOLIU (Autor:in) / ZHU CHENYU (Autor:in) / LI XUANKE (Autor:in) / ZHU HUI (Autor:in) / GUO JIANGUANG (Autor:in)
16.08.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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Carbon fiber reinforced composite material and preparation method thereof
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