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Correlations between the wear of car brake friction materials and airborne wear particle emissions

Abstract

Airborne wear particles emitted from transport vehicle brakes are one of the main sources of toxic metals in inhalable particulate matter. Prediction of wear particle emissions may become more accurate if the relationship between the wear and particle emission characteristics is known. An experimental study was performed to investigate proportional correlations between the mass wear, 0.01–0.42 μm particle emission measured by a NanoScan SMPS Nanoparticle Sizer (SMPS) and 0.3–10 μm particle emission measured by an Optical Particle Sizer (OPS). Several car brake low-metallic materials in the form of pin samples were tested against steel disc samples at different values of the contact pressure and sliding velocity. The pin-on-disc friction pair was placed in a clean chamber to eliminate external particle sources. The obtained results suggest a strong proportional correlation between the disc sample wear and pin sample wear. OPS and SMPS particle concentrations were also revealed to strongly correlate between each other. By contrast, the disc sample wear exhibited weak correlations with the particle concentrations for most of the materials.

Citations

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Authors (4)

  • Photo of  Wojciech Tarasiuk

    Wojciech Tarasiuk

  • Photo of  Karol Golak

    Karol Golak

  • Photo of dr inż. Yurii Tsybrii

    Yurii Tsybrii dr inż.

    • Politechnika Białostocka
  • Photo of dr hab. inż. Oleksii Nosko

    Oleksii Nosko dr hab. inż.

    • Politechnika Białostocka

Keywords

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
WEAR no. 456-457,
ISSN: 0043-1648
Language:
English
Publication year:
2020
Bibliographic description:
Tarasiuk W., Golak K., Tsybrii Y., Nosko O.: Correlations between the wear of car brake friction materials and airborne wear particle emissions// WEAR -Vol. 456-457, (2020), s.203361-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.wear.2020.203361
Verified by:
Gdańsk University of Technology

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