盘式制动器热应力磨损耦合行为的数值模拟

摘要

本文中探讨了盘式制动器制动过程中摩擦片和制动盘之间的热负荷接触应力磨损耦合行为的数值模拟方法。首先建立了盘式制动器的有限元模型；然后研究了应力磨损耦合分析的数值计算方法，并且模拟了摩擦片和制动盘的磨合过程；最后分别对热应力耦合条件下和紧急制动工况下的摩擦片磨损行为进行了模拟。结果表明，所提出的模拟方法是有效的。%The numerical simulation method of thermal load,contact stress and wear coupling behavior be-tween the pad and disk of disk brake during braking process is investigated in this paper. Firstly the finite element model for disk brake is built. Then the numerical calculation method of stress-wear coupling analysis is studied and the running-in process between pad and disk is simulated. Finally the wear behavior of brake pad in both stress-wear coupling and emergency braking conditions are simulated respectively. The results show that the simulation method proposed is effective.