New Synthesis Technique for Making Hydroxyapatite Ceramics Using Hydrothermal Hot-Pressing

T. Korenaga, T. Hashida, H. Takahashi, N. Yamasaki, K. Hosoi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A new synthesis technique for making hydroxyapatite (HAp) ceramics has been developed using hydrothermal hot-pressing (HHP) method at relatively low temperature below 150¸C. Powder mixture of dibasic calcium phosphate dihydrate and calcium hydroxide with the Ca/P ratio of 1.67 was treated at 150¸C and 40MPa. The resulted solidified body could be identified as HAp by X-ray diffraction (XRD) analysis. Moreover we tried to prepare Chitosan-HAp composite for practical utilization of low-temperature-process. Chitosan-HAp composite was improved the tensile strength twice times and over up as compared with plain HAp ceramics.

Original languageEnglish
Pages (from-to)1405-1407
Number of pages3
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume7
DOIs
Publication statusPublished - 1998

Keywords

  • Chitosan
  • Composites
  • Hydrothermal hot-pressing
  • Hydroxyapatite ceramics
  • Low-temperature-process

ASJC Scopus subject areas

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

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