Journal
WEAR
Volume 396, Issue -, Pages 135-145Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2017.06.018
Keywords
Brakes; Non-exhaust emissions; Airborne particles; Simulation; Pin-on-disc test; Dynamometer test
Funding
- European Union Seventh Framework Programme (FP-PEOPLE-IAPP) REBRAKE Project [324385]
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With regard to airborne particles with an aerodynamic diameter of less than 10 mu m (PM10), in countries in the European Union, the mass of brake emissions equals approximately 8-27% of the total traffic-related emissions. Using a research methodology combining tests at different scale levels with contact mechanics simulations and PM10 chemical characterization, the REBRAKE EU-financed project had the following aims: i) to demonstrate the possibility of reducing the PM10 fraction of the airborne particulate from brake wear by 50 wt%; ii) to enhance the general understanding on the physical and chemical phenomena underlying the brake wear process. The results achieved so far indicate that it is possible to design a disc brake system for a European standard car affording at least a 32 wt% PM10 emission reduction using a standard European pad and a heat-treated rotor. A further reduction to 65 wt% PM10 emission could be achieved with NAO pad material and the same heat-treated disc.
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