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A platform for research: civil engineering, architecture and urbanism
Carbon/carbon brake disc and preparation method thereof
The invention provides a carbon/carbon brake disc and a preparation method thereof, the brake disc comprises a structure support disc and a friction disc, and a fiber preform structure and a preparation process are specifically designed according to respective use characteristics of the structure support disc and the friction disc. The structure supporting disc is prepared from a quasi-three-dimensional needling structure carbon fiber preform with the fiber cloth volume mass ratio larger than 80% or a three-dimensional structure carbon fiber preform formed through one-time weaving through a chemical vapor infiltration process in combination with liquid phase impregnation, curing and carbonization processes, and has excellent mechanical performance and heat conduction performance. The friction disc prefabricated body adopts a quasi-three-dimensional needling structure carbon fiber prefabricated body or a pure net tire needling structure carbon fiber prefabricated body with the fiber cloth volume mass ratio being smaller than 40%; the composite material is prepared through a chemical vapor infiltration process and has excellent friction and wear properties. The novel carbon/carbon brake disc is short in preparation period, low in cost and good in quality consistency, only the friction disc needs to be replaced when the service life of the brake disc is up, and maintenance is convenient.
本发明提供了一种碳/碳刹车盘及其制备方法，该刹车盘包括结构支撑盘与摩擦盘，根据结构支撑盘与摩擦盘各自使用特性对其纤维预制体结构及制备工艺进行针对性设计。结构支撑盘采用纤维布体积质量比大于80％的准三维针刺结构碳纤维预制体或一次编织成型的三维结构碳纤维预制体，通过化学气相渗透工艺结合液相浸渍、固化、碳化工艺制备，具备优异的力学性能和导热性能；摩擦盘预制体采用纤维布体积质量比小于40％的准三维针刺结构碳纤维预制体或纯网胎针刺结构碳纤维预制体；通过化学气相渗透工艺进行制备，具备优异的摩擦磨损性能。该发明的新型碳/碳刹车盘制备周期短、成本低、质量一致性好，刹车盘到寿时仅需更换摩擦盘，维护方便。
Carbon/carbon brake disc and preparation method thereof
The invention provides a carbon/carbon brake disc and a preparation method thereof, the brake disc comprises a structure support disc and a friction disc, and a fiber preform structure and a preparation process are specifically designed according to respective use characteristics of the structure support disc and the friction disc. The structure supporting disc is prepared from a quasi-three-dimensional needling structure carbon fiber preform with the fiber cloth volume mass ratio larger than 80% or a three-dimensional structure carbon fiber preform formed through one-time weaving through a chemical vapor infiltration process in combination with liquid phase impregnation, curing and carbonization processes, and has excellent mechanical performance and heat conduction performance. The friction disc prefabricated body adopts a quasi-three-dimensional needling structure carbon fiber prefabricated body or a pure net tire needling structure carbon fiber prefabricated body with the fiber cloth volume mass ratio being smaller than 40%; the composite material is prepared through a chemical vapor infiltration process and has excellent friction and wear properties. The novel carbon/carbon brake disc is short in preparation period, low in cost and good in quality consistency, only the friction disc needs to be replaced when the service life of the brake disc is up, and maintenance is convenient.
本发明提供了一种碳/碳刹车盘及其制备方法，该刹车盘包括结构支撑盘与摩擦盘，根据结构支撑盘与摩擦盘各自使用特性对其纤维预制体结构及制备工艺进行针对性设计。结构支撑盘采用纤维布体积质量比大于80％的准三维针刺结构碳纤维预制体或一次编织成型的三维结构碳纤维预制体，通过化学气相渗透工艺结合液相浸渍、固化、碳化工艺制备，具备优异的力学性能和导热性能；摩擦盘预制体采用纤维布体积质量比小于40％的准三维针刺结构碳纤维预制体或纯网胎针刺结构碳纤维预制体；通过化学气相渗透工艺进行制备，具备优异的摩擦磨损性能。该发明的新型碳/碳刹车盘制备周期短、成本低、质量一致性好，刹车盘到寿时仅需更换摩擦盘，维护方便。
Carbon/carbon brake disc and preparation method thereof
一种碳/碳刹车盘及其制备方法
LI XUGUANG (author) / LI DUAN (author) / REN SHOUWEI (author) / WANG JIAN (author) / LI LINSONG (author) / SHI JUNXI (author)
2024-12-10
Patent
Electronic Resource
Chinese
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