Study of diopside ceramics for biomaterials

  • Toru Nonami
  • Sadami Tsutsumi


Diopside was prepared by sintering a powder compact of composition CaO-MgO-2SiO2 at 1300 °C for 2 h. The bending strength of diopside was 300 MPa and the fracture toughness was 3.5 MPa m1/2. It was proved that diopside has no general toxicity in cell culture. Diopside implanted in rabbits came in close contact with the newly grown bone. X-ray microanalysis spectral diagrams show a change of composition across the junction from the diopside to the newly grown bone. High-resolution transmission electron microscopy revealed crystal growth at the interface between diopside and the newly grown bone, and continuity between diopside lattices and those of the new crystals.


Polymer Microscopy Electron Microscopy Toxicity Cell Culture 
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Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Toru Nonami
    • 1
  • Sadami Tsutsumi
    • 2
  1. 1.National Industrial Research Institute of NagoyaNagoya-shiJapan
  2. 2.Kyoto University, Kawahara-cho, Shogoin, Sakyo-kuKyoto-shiJapan

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