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STUDY THE STRUCTURAL PROBLEM IN THE BRAKE SYSTEM APPLYING A DIFFERENT PRESSURE FUNCTIONS

Journal: Proceedings on Engineering Sciences (Vol.1, No. 1)

Publication Date:

Authors : ;

Page : 298-308

Keywords : brake system; wear problem; finite element method; penetration effect; stress analysis;

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Abstract

During every braking process, the wear in the contacting surfaces of brake disc and brake pads will be occurred. Therefore, it's very important to investigate the effective parameters on the wear mechanism of the contacting surfaces, this is necessary because of the lifetime of the elements of brake is proportional directly with the rate of wear. In this research paper, the influence of the applied pressure function by which brake pads act on the brake disc is investigated using finite element method. Three different functions of pressure were applied which are: constant, linear and exponential. 3D model has been developed in order to analyze the penetration in the contacting surfaces of the elements of brake system. The results presented the variation of penetration with braking time. Furthermore, the results illustrated the distributions of the contact pressure in the friction pair (inner and outer sides) at any instant during the braking process. Also, it was found that the values of stress at the end of the braking process (regardless of the contact area) were the same for all functions of the applied pressure. The differences in the stresses occurred when applied different function of pressure function during the braking process.

Last modified: 2019-10-17 18:22:59