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Preparation of hydroxyapatite/TiO2 biocomposite powders by wet chemical method

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2004, 14(3), pp.83-89
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : October 29, 2003
  • Accepted : March 20, 2004

Hang-Chul Jung 1 Lee, Jong-Kook 1

1조선대학교

Accredited

ABSTRACT

In this work, HA/TiO2 biocomposite to get high mechanical properties with biocompatibility were prepared. HA/ TiO2 biocomposite powders were prepared by mixing TiO2 and HA powders which were synthesized through sol-gel, precipitation and hydrothermal methods. The mixing ratio was fixed at 1 : 1 ratio (HA/TiO2, wt%). HA/TiO2 biocomposite powders showed different microstructures depending on their particle size and shape. The smaller particles were coated on the surface of larger particles, whereas they were well mixed and dispersed when both TiO2 and HA were nanocrystallites. HA/ TiO2 biocomposite powders with homogeneous microstructure showed high sintered density and good mechanical properties.

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