Finite Element Analysis on Friction and Wear Properties of Nonsmooth Surface Brake Disc

doi:10.12068/j.issn.1005-3026.2014.11.001

Abstract

Abstract: Based on friction test required dimension and nonsmooth surface design size， the brake disc/pad models of nonsmooth surface were established. The interaction between contact pressure and friction heat during the braking process was analyzed to establish the thermalstress coupling analysis model， and analyzed the friction and wear properties of nonsmooth surface brake disc/pad system by Ansys/LSDYNA. The results showed when the pits spacing is 1mm and the diameter is 08mm， nonsmooth surface brake/pad system has smallest von Mises stress. Through the friction and wear test， the wear loss and kinetic coefficient of actual samples were tested and the result showed the same characteristics with the simulation results， so the credibility of simulation result was verified.

Key words: nonsmooth surface, friction and wear performance, thermalstress coupling, finite element analysis

CLC Number:

TH1171

SUN Shaoni， XIE Liyang， ZHANG Yichen. Finite Element Analysis on Friction and Wear Properties of Nonsmooth Surface Brake Disc[J]. Journal of Northeastern University Natural Science, 2014, 35(11): 1597-1600.

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