Coupled thermo-mechanical analysis and shape optimization for reducing uneven wear of brake pads |
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Authors: | Myeong Jae Han Chul Hyung Lee Tae Won Park Jung Min Park Sung Min Son |
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Institution: | 1.School of Mechanical Engineering,Ajou University,Gyeonggi,Korea;2.Department of Mechanical Engineering,Ajou University,Gyeonggi,Korea;3.Extreme Technology R&D Center,Korea Automotive Technology Institute,Chungnam,Korea;4.Automotive Technology Center,E. S. Brake,Gyeonggi,Korea |
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Abstract: | In vehicle braking systems, the non-uniform contact pressure distribution on the brake pad is a major cause of uneven wear. The experimental approach of the wear phenomenon is the time consuming and costly. For this reason, a threedimensional finite element (FE) model of a brake system is presented for numerical simulation in this paper. A coupled thermo-mechanical analysis is carried out to confirm the non-uniform contact pressure distribution. A correlation between the non-uniform contact pressure and uneven wear is confirmed by measuring the amount of wear in the brake pad. The shape optimization of the brake pad is performed to reduce the uneven wear. In addition, the simulation results, such as natural frequency and temperature, are compared to experimental results. |
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