Abstract
The influence of a deformational defect of the shear modulus on the melting of an ultrathin lubricant film was investigated in the framework of the Lorenz model used for describing a viscoelastic medium. It was established that the film can undergo both stepwise and continuous melting. Analysis of the lubricant behavior revealed that there are three modes corresponding to a zero shear stress, a Hookean portion in the loading diagram, and a plastic-flow portion. The hysteresis in the dependences of the stationary shear stress on the strain and the friction surface temperature is examined.
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Original Russian Text © A.V. Khomenko, I.A. Lyashenko, 2007, published in Fizika Tverdogo Tela, 2007, Vol. 49, No. 5, pp. 886–890.
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Khomenko, A.V., Lyashenko, I.A. Hysteresis phenomena during melting of an ultrathin lubricant film. Phys. Solid State 49, 936–940 (2007). https://doi.org/10.1134/S1063783407050228
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DOI: https://doi.org/10.1134/S1063783407050228