The wear of AISI-4340 steel under boundary lubrication has been measured in reciprocating sliding. As the hardness of martensitic specimens is reduced from 700 Hv to 250 Hv the wear passes through a transition from “mild” to “severe” wear. A two-component wear model, associating the wear mechanisms with sub-surface and surface plasticity controlled modes of asperity deformation, has been quantitatively fitted to the experimental data. Good agreement is found between the values of constants in the model obtained in this way, and other theoretical and experimental data in the literature. The model can also account for the results of increasing the applied load, by allowing for the effects of increased friction and plastic collapse and removal of the most severely deformed asperities.
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January 1991
Research Papers
The Transition Between Mild and Severe Wear for Boundary-Lubricated Steels
B. Samuels,
B. Samuels
Shell Research Ltd., Thornton Research Centre, Chester CH1 3SH, England
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M. N. Richards
M. N. Richards
Shell Research Ltd., Thornton Research Centre, Chester CH1 3SH, England
Search for other works by this author on:
B. Samuels
Shell Research Ltd., Thornton Research Centre, Chester CH1 3SH, England
M. N. Richards
Shell Research Ltd., Thornton Research Centre, Chester CH1 3SH, England
J. Tribol. Jan 1991, 113(1): 65-72 (8 pages)
Published Online: January 1, 1991
Article history
Received:
January 5, 1990
Revised:
August 1, 1990
Online:
June 5, 2008
Citation
Samuels, B., and Richards, M. N. (January 1, 1991). "The Transition Between Mild and Severe Wear for Boundary-Lubricated Steels." ASME. J. Tribol. January 1991; 113(1): 65–72. https://doi.org/10.1115/1.2920605
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