期刊
WEAR
卷 270, 期 1-2, 页码 73-82出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2010.09.001
关键词
Metal matrix composite; Brakes; Sliding wear; Graphite
In this study the frictional and wear characteristics of sintered copper matrix composite brake pads against cast Al-Si/SiCp brake disc and the effects of applied load on the coefficient of friction have been reported Tribological behavior of Cu-MMC/Al-MMC couple was studied using Pin-on-Disc tribometer The aluminum metal matrix composite material was used as a disc whereas the graphite reinforced copper matrix composite was used as a brake pad Frictional surfaces were investigated using a scanning electron microscope (SEM) equipped with energy-dispersive spectroscopy (EDS) The amount of wear of both brake disc and pad cannot be measured since trace amount of material was transferred These phenomena also proved that the brake disc and the pad have high wear resistance The friction layer on the brake pad s worn surface was confirmed as mostly of carbon and copper oxides (C) 2010 Elsevier B V All rights reserved
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