Joining hydroxyapatite ceramics and titanium alloys by hydrothermal method

T. Onoki, K. Hosoi, T. Hashida

Research output: Contribution to journalConference articlepeer-review

7 Citations (Scopus)


Solidificatioin of hydroxyapatite (HA) and its bonding with titanium (Ti) alloys was achieved simultaneously by using a hydrothermal hot-pressing (HHP) method. The reaction temperature used for the HHP treatment was as low as 150 °C. Two types of Ti alloys; Ti-15Mo-5Zr-3Al and Ti-6Al-2Nb-1Ta were tested to examine the effect of NaOH hydrothermal treatment. The NaOH treatment was shown to be useful to enhance the interface fracture property in the bonded HA/Ti body for both Ti alloys. The use of Ti-15Mo-5Zr-3Al was more effective in the NaOH treatment and the bonded HA/Ti body provided approximately three times higher interface toughness compared with that for the non-treated Ti alloy.

Original languageEnglish
Pages (from-to)571-574
Number of pages4
JournalKey Engineering Materials
Publication statusPublished - 2003 Jan 1
EventProceedings of the 15th International Symposium on Ceramics in Medicine; The Annual Meeting of the International Society for Ceramics in Medicine - Sydney, NSW, Australia
Duration: 2002 Dec 42002 Dec 8


  • Hydrothermal method
  • Hydroxyapatite
  • Joining
  • NaOH solution
  • Titanium alloy

ASJC Scopus subject areas

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


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