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Microstructure and Tribological Properties of Cu-Fe Based Braking Materials

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Abstract:

SiC particle-reinforced Cu-Fe based braking materials were fabricated by the P/M hot pressing method. The phase composition, microstructure and the worn surface of the composite were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD).The tribological properties were evaluated using a disk-on-disk type laboratory scale dynamometer. Results indicate that the friction coefficient is 0.42 in 6800rpm, 0.7MPa. With the increase of rotation speeds the coefficient of friction and stable rate were decreased.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

280-283

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.280

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Online since:

June 2014

Authors:

Xiao Yang Wang, Hong Qiang Ru*

Keywords:

Braking Materials, Composite, Friction, Microstructure

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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