0
TECHNICAL PAPERS

Study of Wet Friction Material Test Under Severe Thermal and Mechanical Loading (“Bump Test”)

[+] Author and Article Information
Wenping Zhao, Przemyslaw Zagrodzki

Technical Center, Raytech Composites, Inc., 1204 Darlington Avenue, Crawfordsville, IN 47933

J. Tribol 123(1), 224-229 (Aug 01, 2000) (6 pages) doi:10.1115/1.1331056 History: Received February 11, 2000; Revised August 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Takezaki, K., and Kubota, M., 1992, “Thermal and Mechanical Damage of Paper Wet Friction Material Induced by Non-Uniform Contact,” SAE Technical Paper No. 922095.
Zagrodzki,  P., 1990, “Analysis of Thermomechanical Phenomena in Multidisc Clutches and Brakes,” Wear, 140, pp. 291–308.
Anderson,  A. E., and Knapp,  R. A., 1990, “Hot Spotting in Automotive Friction Systems,” Wear, 135, pp. 319–337.
Lee,  K., and Barber,  J. R., 1993, “Frictionally Excited Thermoelastic Instability in Automotive Disk Brakes,” ASME J. Tribol., 115, pp. 607–614.
Burton,  R. A., 1980, “Thermal Deformation in Frictionally Heated Contact,” Wear, 59, pp. 1–20.
Yu,  C. C., and Heinrich,  J. C., 1987, “Petrov-Galerkin Method for Multidimensional, Time-Dependent, Convective-Diffusion Equations,” Int. J. Numer. Methods Eng., 24, pp. 2201–2215.
Craslaw, H. S., and Jaeger, J. C., 1959, Conduction of Heat in Solids, Clarendon Press, Oxford.
Zagrodzki, P., Lam, K. B., Bahkali, E. Al, and Barber, J. R., 1999, “Simulation of a Sliding System With Frictionally Excited Thermoelastic Instability,” Third International Congress on Thermal Stresses, Thermal Stresses ’99, Cracow, Poland, pp. 617–620.
ABAQUS User’s Manual, Version 5.8, HKS, 1998.
Pressure Measuring Film, Fuji Prescale Film, Instruction Manual.

Figures

Grahic Jump Location
Sketch of the test assembly
Grahic Jump Location
Highly localized discoloration of the steel reaction disk surface (contacting the friction disk)
Grahic Jump Location
Finite element mesh in the bump region
Grahic Jump Location
Pressure film indicates high pressure at the friction-reaction interface in the bump region
Grahic Jump Location
Contact pressure comparison between modeling and measurement with pressure film at the friction-reaction interface in the bump region
Grahic Jump Location
Temperature distribution, contact pressure, and gap clearance along the sliding interface at t=0.40 sec. (with gap conductance κ=0 at nonzero gap)
Grahic Jump Location
Effect of gap conductance (Point A in Fig. 1)
Grahic Jump Location
Temperature distribution, contact pressure, and gap clearance along the sliding interface at t=0.40 sec. (with nonzero gap conductance)
Grahic Jump Location
Effect of gap conductance (Point B in Fig. 1)
Grahic Jump Location
Discoloration of the steel reaction disk (contacting the bump plate)
Grahic Jump Location
Temperature distribution in the reaction disk (°C)
Grahic Jump Location
Pressure distribution at a series of engagement instants (bump center at x=0)
Grahic Jump Location
Maximum contact pressure evolution at the friction-reaction interface
Grahic Jump Location
Effect of elastic modulus of the friction material on maximum contact pressure at the friction-reaction interface
Grahic Jump Location
Effect of elastic modulus of the friction material on maximum temperature evolution at the friction-reaction interface
Grahic Jump Location
Effect of friction coefficient on maximum temperature evolution at the friction-reaction interface

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In