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Preparation method of low-wear automobile carbon/ceramic brake pad
The invention relates to a preparation method of a low-wear automobile carbon/ceramic brake pad, and belongs to the technical field of carbon fiber reinforced ceramic matrix composite material preparation processes. The method includes: preparing a three-dimensional needled preform, and carrying out chemical vapor deposition, precursor impregnation cracking and reaction melt permeation processes to obtain the low-wear automobile carbon/ceramic brake pad. Ti3SiC2 and SiC phases are generated by introducing titanium carbide ceramic powder and carrying out an in-situ reaction in the porous carbon/carbon composite material, so that soft and hard matching of the phases in the base material is achieved, the wear rate of the material is reduced, the problem of brake squeal is solved, and the application working condition requirements of a carbon/ceramic brake disc are met.
本发明涉及一种低磨损汽车碳/陶刹车片的制备方法，属于碳纤维增强陶瓷基复合材料制备工艺技术领域，制备三维针刺预制体，通过化学气相沉积、先驱体浸渍裂解结合反应熔体渗透工艺，通过引入碳化钛陶瓷粉在多孔碳/碳复合材料内部原位反应生成Ti3SiC2和SiC相，达到基体材料中物相软硬匹配，降低材料磨损率和解决刹车啸叫问题，满足碳/陶刹车盘的应用工况需求。
Preparation method of low-wear automobile carbon/ceramic brake pad
The invention relates to a preparation method of a low-wear automobile carbon/ceramic brake pad, and belongs to the technical field of carbon fiber reinforced ceramic matrix composite material preparation processes. The method includes: preparing a three-dimensional needled preform, and carrying out chemical vapor deposition, precursor impregnation cracking and reaction melt permeation processes to obtain the low-wear automobile carbon/ceramic brake pad. Ti3SiC2 and SiC phases are generated by introducing titanium carbide ceramic powder and carrying out an in-situ reaction in the porous carbon/carbon composite material, so that soft and hard matching of the phases in the base material is achieved, the wear rate of the material is reduced, the problem of brake squeal is solved, and the application working condition requirements of a carbon/ceramic brake disc are met.
本发明涉及一种低磨损汽车碳/陶刹车片的制备方法，属于碳纤维增强陶瓷基复合材料制备工艺技术领域，制备三维针刺预制体，通过化学气相沉积、先驱体浸渍裂解结合反应熔体渗透工艺，通过引入碳化钛陶瓷粉在多孔碳/碳复合材料内部原位反应生成Ti3SiC2和SiC相，达到基体材料中物相软硬匹配，降低材料磨损率和解决刹车啸叫问题，满足碳/陶刹车盘的应用工况需求。
Preparation method of low-wear automobile carbon/ceramic brake pad
一种低磨损汽车碳/陶刹车片的制备方法
LIU RUQIANG (author) / YANG CHUAN (author) / HE LIUYANG (author) / LI ZONGLE (author)
2021-03-02
Patent
Electronic Resource
Chinese
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