New processing technique for hydroxyapatite ceramics by the hydrothermal hot-pressing method

Kazuyuki Hosoi, Toshiyuki Hashida, Hideaki Takahashi, Nakamichi Yamasaki, Takashi Korenaga

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

A new processing technique for preparing hyroxyapatite (HAp) ceramics has been developed using the hydrothermal hot-pressing (HHP) method. Powder mixed dibasic calcium phosphate dihydrate and calcium hydroxide mixed with a Ca/P ratio of 1.67 was treated at 150°C and 40 MPa. The HHP method with the selection of the powder enabled the HAp to be solidified at the low temperature. The resulting HAp ceramics had a tensile strength of approximately 10 MPa. Furthermore, the HAp ceramics possessed a lamellar microstructure and high porosity.

Original languageEnglish
Pages (from-to)2771-2774
Number of pages4
JournalJournal of the American Ceramic Society
Volume79
Issue number10
Publication statusPublished - 1996 Oct 1

ASJC Scopus subject areas

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

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