Preparation and characterization of boron-containing hydroxyapatite

Satoshi Hayakawa, Akihito Sakai, Kanji Tsuru, Akiyoshi Osaka, Eiji Fujii, Koji Kawabata, Christian Jäger

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12 Citations (Scopus)

Abstract

Boron-containing hydroxyapatite (BHAp) particles were synthesized by the wet chemical processing method and subsequent thermal treatment at the temperature ranging from 700-1200°C, and examined the effect of boron introduction on the microstructure of BHAp. The local structure around boron and phosphorus in the BHAp was analyzed by solid-state magic-angle spinning (MAS) nuclear magnetic resonance (NMR) spectroscopy. The heat-treatment above 700°C induced the thermal decomposition of HAp to β-TCP and then the chemical reaction between HAp and B(OH)3 was induced above 900°C, resulting in the formation of boron-substituted HAp particles accompanied by the formation of β-TCP and its transformation to α-TCP above 1200°C.

Original languageEnglish
Pages (from-to)191-194
Number of pages4
JournalKey Engineering Materials
Volume361-363 I
Publication statusPublished - Jan 1 2008

Keywords

  • Boron
  • Hydroxyapatite
  • NMR
  • Structure
  • Thermal treatment

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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