Hydrothermal Preparation of Porous Hydroxyapatite Ceramics

K. Ioku, S. Nishimura, Y. Eguchi, S. Goto

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Abstract

Porous ceramics of calcium hydroxyapatite with non-stoichiometric composition were prepared hydrothermally. The hydroxyapatite ceramics prepared at 105¸C under the saturated vapor pressure for 20 h were composed of rod-shaped crystals with about 10 μm in length with the mean aspect ratio of 40. The porous ceramics of calcium deficient hydroxyapatite had about 50% porosity with the inter-connecting pore structure. This porous ceramics had compressive strength of about 10MPa. According to the in vitro test, this calcium deficient hydroxyapatite must be the bio-active material.

Original languageEnglish
Pages (from-to)1398-1400
Number of pages3
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume7
DOIs
Publication statusPublished - 1998 Jan 1

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Keywords

  • Hydrothermal
  • Hydroxyapatite
  • Non-stoichiometry
  • Porous ceramics
  • Tricalcium phosphate

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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