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Qiang Zhu
School of Automotive Engineering, Yancheng Institute of Technology, No. 1 Hope Avenue, Yancheng, 224051,
Engineering

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Identification of Contact Stiffness between Brake Disc and Brake Pads Using Modal Frequency Analysis Haizhou Ding; Qiang Zhu; Hongming Lyu
Journal of Engineering and Technological Sciences Vol. 52 No. 4 (2020)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2020.52.4.2

Abstract

The contact stiffness between brake disc and brake pads is a vital parameter that affects brake NVH performance through increasing the system stiffness and modal frequencies. In order to establish accurate contact behavior between brake parts for further research on precise modeling of disc brakes, a method of identifying the normal contact stiffness of a floating caliper disc brake was developed in this study based on modal frequency testing and finite element analysis. The results showed that contact stiffness increases with brake pressure due to compression of the friction material and increases with the disc mode order at lower-order modes but almost stays invariant at higher-order ones due to contact area variation.
Co-Authors Haizhou Ding Hongming Lyu