?is paper discusses the effects of adhesive wear and thermal degradation on the dry frictional characteristics of paper-based\r\nfriction materials against steel material. Some commercial paper-based friction materials typically used for clutch applications were\r\nsubjected to adhesive wear and thermal degradation and the dry frictional characteristics were then measured at different states on\r\na rotational tribometer. ?e experimental results reveal that both adhesive wear and thermal degradation have opposite effects on\r\nthe frictional characteristics, where the static and kinetic coefficients of friction increase due to adhesive wear but decrease due to\r\nthermal degradation.
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