Studying the effect of hydroxyapatite particles in osteoconductivity of Ti-HA bioceramic

Davood Bovand, Mohammad Reza Allazadeh, Susan Rasouli, Erfan Khodadad, Ehsan Borhani

Research output: Contribution to journalArticle

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Abstract

Ball milling method and powder metallurgy technology were employed to synthetize metal matrix composites (MMC) for bone grafts' applications. The raw powder of the MMC was prepared by mechanical alloying of pure titanium (Ti) powder with hydroxyapatite (HA) particles. The biocompatibilities of the sintered Ti-HA composites were examined after immersing the samples in simulated body solution (SBF) for different periods of time. SEM image and XRD results analysis were utilised to study the effect of HA on osteoconductivity of the Ti-HA composite. To this purpose, several composites were synthetized from different Ti-HA raw powder combination based on the HA particle size, milling time, and the mass fraction of HA content (% w/w) in the MMC. In-Vitro analysis of Ti-HA composite shows that composite with 30% w/w HA has higher bioactivity in comparison with composite containing pure Ti with 10% w/w HA.
Original languageEnglish
Number of pages9
JournalJournal of the Australian Ceramic Society
Early online date4 Sep 2018
DOIs
Publication statusE-pub ahead of print - 4 Sep 2018

Keywords

  • powder technology
  • bioceramic
  • simulated body solution
  • hydroxyapatite (HA)
  • metal matrix composites (MMC)
  • synthetic bone grafts

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