Friction and wear of hemiarthroplasty biomaterials in reciprocating sliding contact with articular cartilage

S. M T Chan, C. P. Neu, K. Komvopoulos, A Hari Reddi, P. E. Di Cesare

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Friction and wear of four common orthopaedic biomaterials, alumina (Al 2O3), cobalt-chromium (CoCr), stainless steel (SS), and crosslinked ultra-high-molecular-weight polyethylene (UHMWPE), sliding against bovine articular cartilage explants were investigated by reciprocating sliding, nanoscale friction and roughness measurements, protein wear assays, and histology. Under the experimental conditions of the present study, CoCr yielded the largest increase in cartilage friction coefficient, largest amount of protein loss, and greatest change in nanoscale friction after sliding against cartilage. UHMWPE showed the lowest cartilage friction coefficient, least amount of protein loss, and insignificant changes in nanoscale friction after sliding. Although the results are specific to the testing protocol and surface roughness of the examined biomaterials, they indicate that CoCr tends to accelerate wear of cartilage, whereas the UHMWPE shows the best performance against cartilage. This study also shows that the surface characteristics of all biomaterials must be further improved to achieve the low friction coefficient of the cartilage/cartilage interface.

Original languageEnglish (US)
Article number41201
JournalJournal of Tribology
Volume133
Issue number4
DOIs
StatePublished - 2011

Fingerprint

sliding contact
cartilage
Cartilage
Biocompatible Materials
Biomaterials
friction
Wear of materials
Friction
sliding friction
Ultrahigh molecular weight polyethylenes
Chromium
Cobalt
coefficient of friction
polyethylenes
chromium
molecular weight
cobalt
proteins
Proteins
roughness

Keywords

  • articular cartilage
  • biomaterials
  • friction
  • hemiarthroplasty
  • wear

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Friction and wear of hemiarthroplasty biomaterials in reciprocating sliding contact with articular cartilage. / Chan, S. M T; Neu, C. P.; Komvopoulos, K.; Reddi, A Hari; Di Cesare, P. E.

In: Journal of Tribology, Vol. 133, No. 4, 41201, 2011.

Research output: Contribution to journalArticle

Chan, S. M T ; Neu, C. P. ; Komvopoulos, K. ; Reddi, A Hari ; Di Cesare, P. E. / Friction and wear of hemiarthroplasty biomaterials in reciprocating sliding contact with articular cartilage. In: Journal of Tribology. 2011 ; Vol. 133, No. 4.
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