Computer simulation of sliding hydroxylated alumina surfaces

David J. Mann, William L. Hase

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


A molecular dynamics simulation is performed to investigate the factional force and energy transfer dynamics associated with sliding hydroxylated alumina surfaces. The calculated coefficient of friction is in good agreement with a recent experimental study. The dynamics of energy transfer from the interface of the sliding surface is investigated by calculating the surface-surface intermolecular potential and the energy in surface hydroxyl groups. The simulations indicate the experimental friction force arises from energy relaxation. A transition from stick-slip to smooth sliding is observed as the sliding velocity is increased.

Original languageEnglish
Pages (from-to)153-159
Number of pages7
JournalTribology Letters
Issue number2-3
StatePublished - 1999


  • Alumina
  • Energy relaxation
  • Friction
  • Molecular dynamics simulations
  • Sliding surfaces
  • Stick-slip sliding


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