This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Definition of a Suitable Parameter for Characterizing Creep-Groan Propensity in Brake Pads
Technical Paper
2015-36-0004
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
The present paper addresses an investigation about the definition of a parameter for quantifying the creep-groan propensity in brake pads. Creep-groan is a self-excited vibration caused by stick-slip phenomenon [1, 2, 3]. For the definition of the creep-groan propensity parameter, extensive experimental work was performed on a laboratory-scale tribometer. The experiments are divided in two main parts: (i) study of correlation between accelerometer signal with physical and operating parameters. (ii) validation of the chosen parameter, which was based on stick-slip tests performed with three different materials, one low-metallic (low-met) and two non-asbestos organic (NAO 1 and 2). From the first study, it was found that both the slip power and mean torque multiplied by torque variation showed a slightly higher correlation with the acceleration signal. However, results from the second study (validation) revealed that slip power is the most suitable parameter to quantify the creep-groan propensity. In the end, based on the slip power parameter, a ranking among the selected materials is established. The ranking in descending order of creep-groan propensity was: low-met > NAO 1 > NAO 2.
Recommended Content
Technical Paper | Stability Control of Combination Vehicle |
Technical Paper | A Study of the Influence of Pad Properties and Disc Coning on High Speed Judder |
Technical Paper | Commercial vehicle pedal feeling comfort ranges definition |
Authors
Citation
Neis, P., Ferreira, N., Matoso, L., Masotti, D. et al., "Definition of a Suitable Parameter for Characterizing Creep-Groan Propensity in Brake Pads," SAE Technical Paper 2015-36-0004, 2015, https://doi.org/10.4271/2015-36-0004.Also In
References
- Brecht , J. , Hoffrichter , W. , and Dohle , A. Mechanisms of Brake Creep Groan SAE Technical Paper 973026 1997 10.4271/973026
- Brecht , J. , and Schiffner , K. Influence of Friction Law on Brake Creep-Groan SAE Technical Paper 2001-01-3138 2001 10.4271/2001-01-3138
- Vadari , V. , and Jackson , M. An Experimental Investigation of Disk Brake Creep-Groan in Vehicles and Brake Dynamometer Correlation SAE Technical Paper 1999-01-3408 1999 10.4271/1999-01-3408
- Yoon , S. W. , Shin , M. W. , Lee W. G. , Jang , H. Effect of surface contact conditions on the stick-slip behavior of brake friction material Wear 294-295 305 312 2012
- Paliwal , M. ; Mahajan , A. ; Don , J. ; Chu , TT. ; Filip , P. Noise and vibration analysis of a disc-braje system using a stick-slip friction model involving coupling stiffness Journal of Sound and Vibration 282 1273 1284 2005
- Kinklaid , N.M. ; O'Reilly , O.M. ; Papadopoulos , P. Automotive Disc Brake Squeal Journal of Sound and Vibration 267 105 166 2003
- Rhee , S.K. ; Tsang , P.H.S. ; Wang , Y.S. Friction-induced Noise and Vibration of Disc Brakes Wear 133 1 39 45 1989
- Ost , W. ; De Baets , P. ; Loccufier , M. ; Autrève , S.V. Torsional Vibrations of Wet Clutches: Influence of Mechanical Parameters Meccanica Journal Italy 2009
- Ost , W. Tribology and Vibrations of Wet Clutches Doctoral thesis Ghent University Belgium 2009
- Neis , P. D. Development of a Multifunctional Tribometer with Independent Temperature Control of the Brake Disk Doctoral thesis Joint PhD between Universidade Federal do Rio Grande do Sul (Brazil) and Ghent University (Belgium) 2012
- Fuadi , Z. ; Adachi , K. ; Ikeda , H. ; Naito , H. ; Kato , K. Effect of contact stiffness on creep-groan occurrence on a simple caliper-slider experimental model Proceedings of ICSV15 Korea 2008
- Fuadi , Z. ; Maegawa , S. ; Nakano , K. ; Adachi , K. Map of low-frequency stick-slip of a creep groan Proceedings of the Institution of mechanical Engineers, Part 1: Journal of Engineering Tribology 224 12 1235 1246 2010
- Jang , H. , Lee , J. S. , Fash , J. W. Compositional effects of the brake friction material on creep groan phenomena Wear 251 1477 1483 2001 10.1016/S0043-1648(01)00786-4
- Masotti , D. ; Ferreira , N. ; Neis , P.D. ; Poletto , J. ; Menetrier , A. R. ; Tonet , G. ; Matozo , L. ; Varante , P. E. ; Canali , R. J. Experimental Evaluation Of Creep Groan Noise Using a Laboratory-Scaled Tribometer Eurobrake 2014 Germany 2014