Modal Analysis of the New Composite Material for Automobile Brake Pads Based on Properties of Composite Materials

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The present semi-metallic friction material reinforced by the steel fiber is still the main material of the domestic friction material industry, which is left far behind by the developed countries such as America and Japan. Therefore, based on its superior performance, a new kind of composite material used for the automobile brake pads has been developed by our team before. In order to verify its superiority, with the ANSYS software, comparative analysis of free and constraint mode was carried out on the semi-metallic brake and the new composite brake in this paper, and the modal parameters such as the natural frequency were obtained. What’s more, the modal testing was also conducted on both of them. In the end, the finite element analysis results and the experimental results were compared, which shows that compared with the traditional semi-metallic material brake, the new one with bigger damping coefficient and smaller natural frequency has better noise and vibration reduction performance.

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161-165

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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