Microstructure, bioactivity and wear resistance of sintered composite Co-Cr-Mo/Bioglass® for medical implant applications

Download
  1. Get@NRC: Microstructure, bioactivity and wear resistance of sintered composite Co-Cr-Mo/Bioglass® for medical implant applications (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1504/IJSURFSE.2014.060500
AuthorSearch for: ; Search for: ; Search for: ; Search for:
TypeArticle
Journal titleInternational Journal of Surface Science and Engineering
ISSN1749-7868
Volume8
Issue2-Mar
Pages264281; # of pages: 18
SubjectBioactivity; Composite coatings; Composite materials; Glass bonding; Microhardness; Microstructure; Phosphate minerals; Plasma jets; Plasma spraying; Sintering; Wear of materials; Wear resistance; Apatite layers; Corrosion behaviour; Glass particles; Medical implants; Monolithic coatings; Porous structures; Resistance analysis; Simulated body fluids; Chromate coatings
AbstractA sintered Co-Cr-Mo/Bioglass® composite coating, developed for medical implant application, is examined and compared to plasma-sprayed and sintered monolithic Co-Cr-Mo coatings. In addition to microstructure and wear resistance analysis, the bioactivities and corrosion behaviours of various coatings are assessed using simulated body fluid (SBF) immersion. The sintered Co-Cr-Mo/Bioglass® composite and monolithic Co-Cr-Mo coatings have more porous structure than the plasma sprayed Co-Cr-Mo coating. Although the Co-Cr-Mo/Bioglass® composite coating has adequate bonding between Co-Cr-Mo powder and glass particles, the wear resistance is lower than the plasma sprayed Co-Cr-Mo and Stellite 21 substrate. After SBF immersion, calcium is present on the Co-Cr-Mo/Bioglass composite coating, but not on the Co-Cr-Mo coating. It indicates the formation of an apatite layer on the Co-Cr- Mo/Bioglass composite coating and potentially better bioactivity than the monolithic coatings. Copyright © 2014 Inderscience Enterprises Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21272139
Export citationExport as RIS
Report a correctionReport a correction
Record identifieraab52aae-09cd-4cf5-a79a-42725813943d
Record created2014-07-23
Record modified2016-05-09
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)