Studying the Effect of Pad Contact Surface on the Frictional Behaviour and Acoustic Noise Response for Heavy Duty Vehicle Brakes Using FAST Machine

Document Number: 2006-01-3131

Date Published: September 2006

Author(s):
Ibrahim Ahmed - National Institute of Standards ( NIS )
Salah Hamed Ramadan Ali - National Institute of Standards ( NIS )

Abstract:
The influence of the pad contact surface deformation for vehicle brakes on its frictional behavior and friction-induced noise is presented in this paper. Friction composite samples of organic binder-type brake pad have been curried out at 17 MPa and 180\mDC for heavy-duty applications. However, samples with different surface shapes (solid, drilled and grooved) have been formed and tested tribologically to satisfy suitable friction coefficient at low noise level. A FAST machine was used to find out the accurate friction response at steady frictional moment. Friction acoustic noise has been carried out on the test machine using the sound pressure level meter. Analyses of the obtained results showed that the feature of the pad material surface has a significant influence on the brake frictional stability and noise emission. The results also confirmed that adding a groove to the brake lining in heavy-duty vehicles gives a better brake performance and hence it is highly recommended.

File Size: 142K
Product Status: In Stock

See other papers presented at Aerospace Manufacturing and Automated Fastening Conference and Exhibition, September 2006, Toulouse, FRANC, Session: Materials Properties, Processes and Innovations

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