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UHMWPE Composites for Orthopaedic Applications: A New Paradigm

[+] Author Affiliations
Kevin G. Plumlee, Christian J. Schwartz

Texas A&M University, College Station, TX

Paper No. IJTC2009-15075, pp. 43-45; 3 pages
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME


The authors investigated the viability of UHMWPE composites for use in orthopaedic bearing applications as an alternative to crosslinking. Two composite systems were used, both based on a UHMWPE matrix: PtZr quasicrystals and Zr particle fillers. Through wear testing and impact toughness measurement it was shown that these two fillers produced composites that had high wear resistance and more impact toughness than the crosslinked polymer. These results suggest that further investigation into the use of composites for implant bearing surfaces is warranted and that appropriate criteria for filler materials must be developed to spur development of longer-lasting devices.

Copyright © 2009 by ASME



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