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    The Effects of Grit Particle Size on Frictional Characteristics of Automotive Braking System

    Access Status
    Fulltext not available
    Authors
    Abdul Hamid, Mohd Kameil
    Stachowiak, Gwidon
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Abdul Hamid, Mohd Kameil and Stachowiak, Gwidon. 2011. The Effects of Grit Particle Size on Frictional Characteristics of Automotive Braking System. Advanced Materials Research. 189-193: pp. 3511-3516.
    Source Title
    Advanced Materials Research
    ISSN
    1022-6680
    URI
    http://hdl.handle.net/20.500.11937/9222
    Collection
    • Curtin Research Publications
    Abstract

    The effect of grit particle size on frictional characteristics was investigated using a vertically oriented brake test rig. Silica sand of grit sizes 50-180 µm, 180-355 µm and 355-500 µm were used in drag mode application. Results showed that the presence of hard particles from environment can influence the friction response significantly. Basically, once the hard particles enter the gap, the value and amplitude of friction coefficient tend to decrease. However, slight increase in friction with smaller particles was recorded due to more hard particles involved in mixing and changing the effective contact area. Better friction stability was related to the presence of smaller grit particles and compacted wear debris to form frictional film on the braking interface.

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    • Effect of Hard Particle Grit Size on Friction Coefficients and Embedment of Automotive Braking
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      Abdul Hamid, M.; Stachowiak, Gwidon; Syahrullail, S. (2012)
      The effects of hard particles on the friction coefficients and particle embedment during hard braking were investigated. Silica sands grit of the size between 180 to 355 µm were used during the experiments. The results ...
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