A stochastic approach to the mode of deformation and contact between rough surfaces |
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| Authors: | PT Suratkar SM Pandit SM Wu |
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| Affiliation: | Mechanical Engineering Department, University of Wisconsin, Madison, Wisc.U.S.A. |
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| Abstract: | The real area of contact between a rough and an ideally flat surface is evaluated from the spectral moments of the profile of the rough surface. A stochastic criterion for plastic deformation of the asperities is developed and applied to determine the percentage of plastic and elastic deformation in the total area of contact at a given separation. An illustration is given to delineate the theory through experimental profile data obtained from a ground surface. |
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