The friction and wear properties of PTFE and POM were investigated using a ball-on-steel ring tester under dry and lubricated conditions by paraffin and 10W–30 oils. SEM, EDAX, FTIR, and surface wettability techniques were used to characterize and assess the morphology and chemical composition of the original surfaces, as well as the wear track, transfer film, and wear debris at different loads and speeds. Although the friction was high, similar behavior to that reported in the literature was observed. The experimentally determined surface temperature of the plastic revealed optimum loading levels, for each sliding speed, at which the friction and wear rate become a minimum and the thermal effect stabilizes. In boundary-like lubrication using both oils, friction and wear were significantly reduced with the exception of an increase in wear rate with load when POM was lubricated by 10W–30 oil. Surface analysis revealed that the formation of lubricative protective layers on the surfaces in contact is crucial to reducing friction, and more importantly, wear. FTIR results confirmed that film transfer occurs in the case of POM.
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October 2005
Research Papers
Effects of Lubricants on the Friction and Wear Properties of PTFE and POM
H. S. Benabdallah,
H. S. Benabdallah
Royal Military College of Canada
, Department of Mechanical Engineering, P.O. Box 17000, Stn Forces, Kingston, Ontario K7K 7B4 Canada
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J. J. Wei
J. J. Wei
Royal Military College of Canada
, Department of Mechanical Engineering, P.O. Box 17000, Stn Forces, Kingston, Ontario K7K 7B4 Canada
Search for other works by this author on:
H. S. Benabdallah
Royal Military College of Canada
, Department of Mechanical Engineering, P.O. Box 17000, Stn Forces, Kingston, Ontario K7K 7B4 Canada
J. J. Wei
Royal Military College of Canada
, Department of Mechanical Engineering, P.O. Box 17000, Stn Forces, Kingston, Ontario K7K 7B4 CanadaJ. Tribol. Oct 2005, 127(4): 766-775 (10 pages)
Published Online: May 5, 2005
Article history
Received:
August 19, 2004
Revised:
May 5, 2005
Citation
Benabdallah, H. S., and Wei, J. J. (May 5, 2005). "Effects of Lubricants on the Friction and Wear Properties of PTFE and POM." ASME. J. Tribol. October 2005; 127(4): 766–775. https://doi.org/10.1115/1.2005276
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