Abstract

Tribotechnical and ecological evaluation of the friction pair FPM EМ-1/steel S235JR used in LTM braking devices was carried out. The analysis of the research results showed that in the range of contact pressures from 0.05 to 0.5 MPa, the wear of the friction lining is 1.5–2.5 times higher than the wear of the disk; the friction coefficient decreases from 0.91 to 0.43; the number of wear particles with diameters from 0.01 to 1.56 μm, which are the most dangerous for human health as they cause cardiovascular diseases, is about 94–98%; and the number of wear particles with diameters from 2.5 to 10 μm, which are associated with respiratory tract morbidity, does not exceed 6%.

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