A Three-Dimensional Thermal-Mechanical Asperity Contact Model for Two Nominally Flat Surfaces in Contact

[+] Author and Article Information
Geng Liu, Qian Wang, Shuangbiao Liu

Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208

J. Tribol 123(3), 595-602 (Jul 10, 2000) (8 pages) doi:10.1115/1.1308044 History: Received February 07, 2000; Revised July 10, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
An elastic body in contact, domain designation, and the coordinate system
Grahic Jump Location
Rough surfaces and an asperity in thermoelastic contact. (a) A more isotropic surface (λx=39.3 μm,λy=62.99 μm,σ=0.25 μm). (b) A more longitudinal surface (λx=23.62 μm,λy>9λx,σ=0.43 μm). (c) An asperity in thermoelastic contact.
Grahic Jump Location
The domain, ABCDEFGH, for influence coefficient computation and the domain for surface contact computation
Grahic Jump Location
Results comparisons. (a) Isotropic surface, with Lee and Ren. (b) Longitudinal surface roughness, with Lee and Ren. (c) Compared with the 2D model.
Grahic Jump Location
Deformed surface and contact pressure distribution (isotropic asperities, isothermal solution). (a) Deformed surface. (b) Pressure distribution.
Grahic Jump Location
Deformed surface and contact pressure distribution (isotropic asperities, thermoelastic solution). (a) Deformed surface, Qf=0.1 m/s. (b) Pressure distribution, Qf=0.1 m/s. (c) Temperature distribution, Qf=0.1 m/s. (d) Deformed surface, Qf=0.13 m/s. (e) Pressure distribution, Qf=0.13 m/s. (f ) Temperature distribution, Qf=0.13 m/s.
Grahic Jump Location
The influence of frictional heat on the contact performance. (a) Pressure-average gap relation. (b) Contact area-pressure relation.




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