journal article Aug 01, 1953

Contact and Rubbing of Flat Surfaces

View at Publisher Save 10.1063/1.1721448
Abstract
The interpretation of certain phenomena occuring at nominally flat surfaces in stationary or sliding contact is dependent on the assumed distribution of the real area of contact between the surfaces. Since there is little direct evidence on which to base an estimate of this distribution, the approach used is to set up a simple model and compare the deduced theory (e.g., the deduced dependence of the experimental observables on the load) with the experimental evidence. The main conclusions are as follows. (a) The electrical contact resistance depends on the model used to represent the surfaces; the most realistic model is one in which increasing the load increases both the number and size of the contact areas. (b) In general, mechanical wear should also depend on the model. However, in wear experiments showing the simplest behavior, the wear rate is proportional to the load, and these results can be explained by assuming removal of lumps at contact areas formed by plastic deformation; moreover, this particular deduction is independent of the assumed model. This suggests that a basic assumption of previous theories, that increasing the load increases the number of contacts without affecting their average size, is redundant.
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References
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Proc. Roy. Soc. (London) (1948)
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The Nature of the Static and Kinetic Coefficients of Friction

Ernest Rabinowicz

Journal of Applied Physics 1951 10.1063/1.1699869
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Arch Eisenhüttenw. (1943)
Cited By
6,810
Results in Engineering
Engineering Failure Analysis
Surface and Coatings Technology
Metrics
6,810
Citations
10
References
Details
Published
Aug 01, 1953
Vol/Issue
24(8)
Pages
981-988
Cite This Article
J. F. Archard (1953). Contact and Rubbing of Flat Surfaces. Journal of Applied Physics, 24(8), 981-988. https://doi.org/10.1063/1.1721448
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