Effect of Surface Roughness and Lubrication on Scuffing for Austempered Ductile Iron (ADI)

Paper #:
  • 2015-01-0683

Published:
  • 2015-04-14
DOI:
  • 10.4271/2015-01-0683
Citation:
Han, J., Zou, Q., Barber, G., and Sun, X., "Effect of Surface Roughness and Lubrication on Scuffing for Austempered Ductile Iron (ADI)," SAE Int. J. Fuels Lubr. 8(1):21-26, 2015, doi:10.4271/2015-01-0683.
Pages:
6
Abstract:
This paper describes the scuffing tests performed to understand the effect of surface roughness and lubrication on scuffing behavior for austempered ductile iron (ADI) material. As the scuffing tendency is increased, metal-to-metal interaction between contacting surfaces is increased. Lubrication between sliding surfaces becomes the boundary or mixed lubrication condition. Oil film breakdown leads to scuffing failure with the critical load. Hence, the role of surface roughness and lubrication becomes prominent in scuffing study. There are some studies in which the influence of the surface roughness and lubrication on scuffing was evaluated. However, no comprehensive scuffing study has been found in the literature regarding the effect of surface roughness and lubrication on scuffing behavior of ADI material. The current research took into account the inferences of surface roughness and lubrication on scuffing for ADI. The effect of various surface roughness values and two types of lubricants were evaluated based on the experimental data using ball-on-disc rig to better understand scuffing behavior affected by surface roughness and lubricants.
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