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Wet Friction Material-Some Modes of Failure and Methods of Correction
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English
Abstract
This paper presents results of an SAE #2 Machine study of several factors influencing wet friction material operation. By adjusting test condition, it is shown how plate deflection, spacer roughness, power loading, energy loading, etc. can produce mechanical and/or thermal distress of the friction material. In comparative testing, it is also shown how these problems can be reduced or eliminated by proper selection of friction material, groove, assembly and spacer plate geometries, oil type and flow, etc. The purpose of this work is to contribute to understanding of wet friction couples to permit identification of the mode of failure (1) to provide corrective action in present designs and (2) to optimize future design.
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Citation
Fish, R., "Wet Friction Material-Some Modes of Failure and Methods of Correction," SAE Technical Paper 760664, 1976, https://doi.org/10.4271/760664.Also In
References
- Nibert Roger K. Albertson Clarence E. “Wet Clutch Lining - Lubricant Additive Interactions” SAE Paper # 740052 Detroit SAE 1974
- Liddell George J. Neningham T. D. “Some Physical Effects Of Transmission Fluid Degradation” SAE Paper # 660097 Detroit SAE 1966
- Dundore Marvin W. Schneider Raymond C. “Clutch Energy - A Criteria Of Thermal Failure” SAE Paper # 680582 Milwaukee SAE 1968
- Hilper Conrad R. “Gyroscopically Induced Failure In Multiple Disc Clutches, Its Causes, Its Characteristics And Its Cures” SAE Paper # 690066 Detroit SAE 1969