Effects of External Hard Particles on Brake Noise of Disc Braking System

M.A. Nasaruddin; Mohd Kameil Abdul Hamid; Ahmad Razimi Mat Lazim; Abd Rahim Abu Bakar

doi:10.4028/www.scientific.net/AMM.388.213

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 388Effects of External Hard Particles on Brake Noise...

Effects of External Hard Particles on Brake Noise of Disc Braking System

Abstract:

The open design and position of disc brake that is closed to road surfaces enable contaminants to enter the brake gap and caused noise and tribological disturbance at the brake interface. Contaminants such as dirt and soil can be present and are expected to influence the occurrence of brake squeal that produce an annoying sound during braking action. The objective of this study was to examine the effect of external hard particles at different disc sliding speed on generation of brake squeal using a brake dynamometer. Different rotational speed of disc brake was selected and the experiments squeal noise data was collected and analyzed using the Fast Fourier Transformation (FFT) analyzer. From the experiments, the presence of external particle and the rotation speed of disc brake promotes the generation of brake squeal phenomenon by changing the surface roughness and effective contact of brake interface. Results obtained from the experiment also showed that higher rotating disc generate higher sound level meter or squeal frequency and increase numbers of squeal noise generated.

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Periodical:

Applied Mechanics and Materials (Volume 388)

Pages:

213-216

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.388.213

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Online since:

August 2013

Authors:

M.A. Nasaruddin, Mohd Kameil Abdul Hamid, Ahmad Razimi Mat Lazim, Abd Rahim Abu Bakar

Keywords:

Brake Squeal, Effective Contact, External Particles, Noise Level, Surface Roughness (SR)

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References

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