Molecular Rheology of Perfluoropolyether Lubricant via Nonequilibrium Molecular Dynamics Simulation

  title={Molecular Rheology of Perfluoropolyether Lubricant via Nonequilibrium Molecular Dynamics Simulation},
  author={Hyoung Jin Choi and Qian Guo and P. S. Chung and M. S. Jhon},
  journal={IEEE Transactions on Magnetics},
Rheological properties of perfluoropolyether (PFPE) systems can be particularly important in designing effective lubricants that control the friction and wear in their tribological applications. Using equilibrium/nonequilibrium molecular dynamics (MD) simulation, we examined the rheological properties of PFPE lubricant, such as viscosity and viscoelastic properties, by observing the time-dependent system in shear motion. Strong dependence of PFPE bulk viscosity on PFPE molecular structure (e.g… CONTINUE READING


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