Search results for: AIRBORNE WEAR PARTICLES - Bridge of Knowledge

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  • Effective density of airborne wear particles from car brake materials

    Publication

    - JOURNAL OF AEROSOL SCIENCE - Year 2017

    People living in urban environments are subject to high health risks due to various anthropogenic sources of airborne particulate matter, including wear of transport vehicle brakes. Studies of airborne particles often require an estimate of the effective particle density, a property that allows correct matching of mass and size characteristics measured by different aerosol instruments. In this study we investigated the effective...

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  • A Study on Emission of Airborne Wear Particles from Car Brake Friction Pairs

    Publication
    • M. Alemani
    • O. Nosko
    • I. Metinoz
    • U. Olofsson

    - SAE International Journal of Materials and Manufacturing - Year 2016

    The emission of airborne wear particles from friction material / cast iron pairs used in car brakes was investigated, paying special attention to the influence of temperature. Five low-metallic materials and one non-asbestos organic material were tested using a pin-on-disc machine. The machine was placed in a sealed chamber to allow airborne particle collection. The concentration and size distribution of 0.0056 to 10 μm particles...

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  • Emission and properties of airborne wear particles from train brake friction materials based on novolac phenolic resins and butadiene rubbers

    Publication

    - WEAR - Year 2024

    The emission of airborne particulate matter from a train brake depends on the formulation of its friction material. This study investigates the emission and properties of wear particles from train brake friction materials based on straight or resorcinol-modified novolac phenolic resin and nitrile or styrene butadiene rubber used as binding ingredients. The wear particles are generated by a pin-on-disc tribomachine inside an aerodynamic...

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

    Publication

    - WEAR - Year 2020

    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...

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  • Emission of 1.3–10 nm airborne particles from brake materials

    Publication

    - AEROSOL SCIENCE AND TECHNOLOGY - Year 2017

    Operation of transport vehicle brakes makes a significant contribution to airborne particulate matter in urban areas, which is subject of numerous studies due to the environmental concerns. We investigated the presence and number fractions of 1.3–10 nm airborne particles emitted from a low-metallic car brake material (LM), a non-asbestos organic car brake material (NAO) and a train brake cast iron against a cast iron. Particles...

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