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Wear studies of hydroxyapatite composite coating reinforced by carbon nanotubes

  • Y. Chen*
  • , T. H. Zhang
  • , C. H. Gan
  • , G. Yu
  • *Corresponding author for this work
  • CAS - Institute of Mechanics
  • Florida International University

Research output: Contribution to journal › Article › peer-review

Abstract

Multi-walled carbon nanotubes (CNTs) have been successfully introduced into hydroxyapatite (HA) coatings using laser surface alloying. It is evident from transmission electron microscopy (TEM) observations that the CNTs present in the matrix still keep their multi-walled cylinder graphic structure, although they undergo the laser irradiation. Scratching test results indicated that the as-alloyed HA composite coatings exhibit improved wear resistance and lower friction coefficient with increasing the amount of CNTs in the precursor material powders. These composites have potential applications in the field of coating materials for metal implants under high-load-bearing conditions.

Original languageEnglish
Pages (from-to)998-1004
Number of pages7
JournalCarbon
Volume45
Issue number5
DOIs
StatePublished - Apr 2007
Externally publishedYes

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