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- W1968482459 abstract "Frictional heating is a common phenomenon related to friction and rubbing. Modeling the rough-surface contact in a tribological process that involves frictional heating and thermoelastic deformations requires an interactive thermal–mechanical simulation process through a large amount of numerical calculation. A three-dimensional interactive thermal–mechanical asperity contact model has been developed. The model takes into account steady-state heat transfer, asperity distortion due to thermal and elastic deformations, and material yield by means of the elastic–perfectly plastic assumption. The finite-element method (FEM), discrete convolution and fast Fourier transform (DC-FFT), and conjugate gradient method (CGM) are employed as the solution methods. This model is applied to analyze a large number of numerically generated surfaces of a wide range of statistical properties. A group of semi-empirical formulas correlating the maximum asperity flash temperature, contact pressure, real contact area, and the normal approach between the contacting surfaces is derived as a simplified version of the contact model for convenience of use in tribological simulations. These formulas are compared with the results obtained from numerical analyses with satisfactory accuracy." @default.
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- W1968482459 date "2002-07-01" @default.
- W1968482459 modified "2023-09-26" @default.
- W1968482459 title "Convenient formulas for modeling three-dimensional thermo–mechanical asperity contacts" @default.
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- W1968482459 doi "https://doi.org/10.1016/s0301-679x(02)00022-1" @default.
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