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High-thermal-conductivity composite material and preparation method thereof
The embodiment of the invention provides a high-thermal-conductivity composite material and a preparation method thereof. The preparation method of the high-thermal-conductivity composite material comprises the following steps: sewing a carbon fiber fabric with flexible fibers to prepare a carbon fiber preform; the carbon fiber preform is subjected to liquid-phase impregnation, curing, carbonization and graphitization, and the high-thermal-conductivity composite material is obtained. The embodiment of the invention can have the following advantages: the carbon fiber preform is processed, so that the problem of poor heat-conducting property in the radial direction of the carbon fiber is solved, and the composite material has excellent heat-conducting property in the thickness direction.
本申请实施例提供一种高导热复合材料及其制备方法。其中所述高导热复合材料的制备方法包括：用柔性纤维缝合碳纤维织物制成碳纤维预制体；所述碳纤维预制体经过液相浸渍、固化、碳化、石墨化，得到所述高导热复合材料。本申请实施例可以包括如下优势：通过对碳纤维预制体进行加工处理，从而解决碳纤维径向方向上导热性能差的问题，继而使得复合材料厚度方向上具有优异的导热性能。
High-thermal-conductivity composite material and preparation method thereof
The embodiment of the invention provides a high-thermal-conductivity composite material and a preparation method thereof. The preparation method of the high-thermal-conductivity composite material comprises the following steps: sewing a carbon fiber fabric with flexible fibers to prepare a carbon fiber preform; the carbon fiber preform is subjected to liquid-phase impregnation, curing, carbonization and graphitization, and the high-thermal-conductivity composite material is obtained. The embodiment of the invention can have the following advantages: the carbon fiber preform is processed, so that the problem of poor heat-conducting property in the radial direction of the carbon fiber is solved, and the composite material has excellent heat-conducting property in the thickness direction.
本申请实施例提供一种高导热复合材料及其制备方法。其中所述高导热复合材料的制备方法包括：用柔性纤维缝合碳纤维织物制成碳纤维预制体；所述碳纤维预制体经过液相浸渍、固化、碳化、石墨化，得到所述高导热复合材料。本申请实施例可以包括如下优势：通过对碳纤维预制体进行加工处理，从而解决碳纤维径向方向上导热性能差的问题，继而使得复合材料厚度方向上具有优异的导热性能。
High-thermal-conductivity composite material and preparation method thereof
高导热复合材料及其制备方法
SUN HAO (author) / LI TING (author) / LI HAOLIANG (author) / CHEN YIJUN (author) / ZHU XINXU (author)
2024-08-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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