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首页> 外文期刊>Journal of Advanced Ceramics >Frictional response of a novel C/C-ZrBSubscript2/Subscript-ZrC-SiC composite under simulated braking
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Frictional response of a novel C/C-ZrBSubscript2/Subscript-ZrC-SiC composite under simulated braking

机译：新型C / C-ZrB 2 -ZrC-SiC复合材料在模拟制动下的摩擦响应

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摘要

A novel braking material, C/C-ZrB2-ZrC-SiC carbon fibre-reinforced hybrid ceramic matrix composite, was prepared by chemical vapour infiltration and polymeric precursor infiltration and pyrolysis. Investigation of the microstructure of C/C-ZrB2-ZrC-SiC composite showed the homogenous dispersion of three-phase ceramic as the matrix. The frictional properties of the hybrid C/C-ZrB2-ZrC-SiC ceramic matrix composite were measured by a disk-on-disk type dynamometer under dry and wet conditions to simulate the normal landing state of aircraft brake disk friction pairs. C/C-ZrB2-ZrC-SiC ceramic matrix composite has a higher and more stable friction coefficient under wet condition than under dry condition, indicating that the composite has better performance compared with C/C or C/C-SiC braking materials.
机译：通过化学气相渗透，聚合物前驱体渗透和热解制备了一种新型的制动材料，C / C-ZrB2-ZrC-SiC碳纤维增强杂化陶瓷基复合材料。 C / C-ZrB2-ZrC-SiC复合材料的微观结构研究表明，以三相陶瓷为基体均匀分散。在干湿条件下，通过盘-盘式测功机测量混合C / C-ZrB2-ZrC-SiC陶瓷基复合材料的摩擦性能，以模拟飞机制动盘摩擦副的正常着陆状态。 C / C-ZrB2-ZrC-SiC陶瓷基复合材料在潮湿条件下的摩擦系数比在干燥条件下更高且更稳定，这表明该复合材料比C / C或C / C-SiC制动材料具有更好的性能。

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