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@ARTICLE{Lyashenko:201777,
      author       = {Lyashenko, Iakov A. and Khomenko, Alexei V.},
      title        = {{T}hermodynamic {T}heory of {T}wo {R}ough {S}urfaces
                      {F}riction in the {B}oundary {L}ubrication {M}ode},
      journal      = {Tribology letters},
      volume       = {48},
      number       = {1},
      issn         = {1573-2711},
      address      = {Basel},
      publisher    = {Baltzer},
      reportid     = {FZJ-2015-04071},
      pages        = {63 - 75},
      year         = {2012},
      abstract     = {The thermodynamic theory of thin lubricant film melting,
                      confined between two hard rough solid surfaces, is built
                      using the Landau phase transition approach. For the
                      description of a melting condition, the order parameter is
                      introduced which is a periodical part of microscopic medium
                      density function. The shear modulus of lubricant is
                      proportional to the order parameter squared. The
                      thermodynamic and shear melting are described consistently.
                      A mechanical analogue of a tribological system in the
                      boundary friction mode is studied. The time dependencies of
                      the friction force, the relative velocity of the interacting
                      surfaces, and the elastic component of the shear stresses
                      appearing in the lubricant are obtained. It is shown that
                      the shear modulus of the lubricant and the elastic stresses
                      become zero in the liquid-like state. The irregular
                      stick-slip mode of melting is described, which is observed
                      in experiments. It is shown that the frequency of stiction
                      spikes in the irregular mode increases with growth of the
                      shear velocity. Comparison of the obtained results with
                      experimental data is carried out.},
      cin          = {IAS-1 / PGI-1},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
      pnm          = {424 - Exploratory materials and phenomena (POF2-424)},
      pid          = {G:(DE-HGF)POF2-424},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000308070800007},
      doi          = {10.1007/s11249-012-9939-2},
      url          = {https://juser.fz-juelich.de/record/201777},
}