Journal of Materials Science

, Volume 20, Issue 6, pp 2001–2004

Mechanical properties of a new type of apatite-containing glass-ceramic for prosthetic application

  • Tadashi Kokubo
  • Setsuro Ito
  • Masazumi Shigematsu
  • Sumio Sakka
  • Takao Yamamuro


A new type of apatite-containing glass-ceramic in the system MgO-CaO-SiO2-P2O5 can form a tight chemical bond with bones and has a high mechanical strength. The cause for its high mechanical strength was examined by comparing mechanical properties of the glass-ceramics which have an identical chemical composition and different microstructures. It was found that the mechanical strength of the apatite-containing glass-ceramics is considerably increased by the precipitation ofβ-wollastonite crystals due to an increase in fracture surface energy resulting in an increase in fracture toughness.


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Copyright information

© Chapman and Hall Ltd 1985

Authors and Affiliations

  • Tadashi Kokubo
    • 1
  • Setsuro Ito
    • 1
  • Masazumi Shigematsu
    • 1
  • Sumio Sakka
    • 1
  • Takao Yamamuro
    • 2
  1. 1.Institute for Chemical ResearchKyoto UniversityKyoto-FuJapan
  2. 2.Faculty of MedicineKyoto UniversityKyoto-FuJapan

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