Tribo-corrosion of steel in artificial saliva

D. Holmes, S. Sharifi, M. M. Stack

Research output: Contribution to journalArticle

13 Citations (Scopus)
158 Downloads (Pure)

Abstract

Stainless steel is widely used as dental implant. However, there has been little work on the micro-abrasion of such materials in laboratory simulated oral environments, where abrasion, sliding wear can interact simultaneously. In this study, the effects of applied load, and exposure time were evaluated for a 316 stainless steel in a laboratory simulated artificial saliva. Polarization curves showed an enhancement of corrosion current density with increases in applied load. Wear maps were produced showing low wear safety regimes at intermediate loads and exposure times. Possible reasons for such trends are interpreted in terms of the ability of the passive film in providing resistance against third body particle impact and the concentration of particles in the contact at higher loads.
Original languageEnglish
Pages (from-to)80-86
Number of pages7
JournalTribology International
Volume75
Early online date15 Mar 2014
DOIs
Publication statusPublished - 31 Jul 2014

Keywords

  • tribology
  • dental implants
  • wear rates
  • tribo-corrosion
  • artificial saliva
  • micro-abrasion
  • 316 stainless steel

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