Performance analysis of automotive braking friction materials based on surface roughness Online publication date: Thu, 22-Dec-2022
by Ronghua Bian; Xin Chen; Mingpeng Wang
International Journal of Materials and Product Technology (IJMPT), Vol. 66, No. 1, 2023
Abstract: The traditional friction material performance analysis method has the problem of high wear rate. Therefore, this paper proposes a performance analysis method of automobile braking friction material based on surface roughness. The calculation formula of material friction is described by classical friction law, the material performance analysis function is constructed according to Mamdani fuzzy algorithm, the influence function of friction coefficient is determined through the optimal fusion position constraints, and the multi-objective function model is constructed according to surface roughness to analyse the performance of automobile braking friction materials. The results show that the friction coefficient of the material is 0.38 at 200°C. When the service life of the friction material is 150 days, the wear rate of the friction material is 0.22%. This shows that this method can improve the friction performance of automotive braking friction materials, which has a certain practical significance.
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