Bio-tribocorrosion – current concepts in micro-abrasion–corrosion mapping of CoCrMo alloy for hip replacement bearings

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Abstract

Wear is recognized as the primary mode of failure in hip replacement devices in-vivo, and remains an on-going challenge for orthopaedic manufacturers, clinicians and tribologists. The aim of this work was to characterize the micro-abrasion–corrosion performance for a cobalt-chromium-molybdenum (CoCrMo) alloy and ultra-high molecular weight polyethylene (UHMWPE) bearing couple over a range of applied loads and applied potentials in a physiological solution. The transitioning micro-abrasion–corrosion mechanisms, synergisms and wastage performances have been identified and mapped.
Original languageEnglish
Number of pages1
Publication statusPublished - Apr 2015
EventTriboUK 2015 - Loughborough University, Loughborough, United Kingdom
Duration: 16 Apr 201517 Apr 2015
http://www.tribouk2015.com/about.html

Conference

ConferenceTriboUK 2015
CountryUnited Kingdom
CityLoughborough
Period16/04/1517/04/15
Internet address

Keywords

  • wear maps
  • micro-abrasion-corrosion
  • CoCrMo alloy
  • hip replacements
  • tribocorrosive conditions
  • cobalt-chromium-molybdenum
  • ultra-high molecular weight polyethylene
  • UHMWPE

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