Compressibility of lubricants at high pressures

Jonas Ståhl, Bo Jacobson, Lois Gschwender

Research output: Contribution to journalArticlepeer-review

14 Citations (SciVal)


Results from a high pressure chamber; recently developed at Lund Institute of Technology, are presented. The compressibility variation with the pressure of five different lubricants is investigated for pressures up to 2.7 GPa. The density variation for each lubricant is presented as a curve fit. The results show that at high pressures when the lubricant has solidified, the density varies linearly with the pressure. It is also concluded that the Dowson-Higginson relationship may be inaccurate when describing the density variation for some lubricants, especially at higher pressures.
Original languageEnglish
Pages (from-to)592-599
JournalTribology Transactions
Issue number4
Publication statusPublished - 2003

Subject classification (UKÄ)

  • Mechanical Engineering


  • density
  • elastohydrodynamic lubrication
  • lubricant properties


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