Texture development of hydroxyapatite ceramics by colloidal processing in a high magnetic field followed by sintering

Yoshio Sakka*, Kazuya Takahashi, Tohru S. Suzuki, Shigeru Ito, Nobuyuki Matsuda

*この研究の対応する著者

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Hydroxyapatite (HAP, Ca10(PO4)6(OH)2) is a main component in the human body and teeth, and a specific crystal orientation is required because of the different properties for each crystal plane. In this study, two types of hydroxyapatite powders were used for the fabrication of a textured HAP. The effects of the processing parameters on the orientation, such as de-agglomeration by ultrasonication and milling procedures, applied magnetic field and sintering temperatures, were examined. Using the de-agglomerated particle by a milling procedure, it is possible to control the particle orientation, but when using heavily agglomerated particles, it was impossible to control the particle orientation by applying a high magnetic field. Highly textured HAP can be fabricated by slip casting using a well-dispersed suspension in a high magnetic field followed by sintering above 1373 K.

本文言語English
ページ(範囲)27-33
ページ数7
ジャーナルMaterials Science and Engineering A
475
1-2
DOI
出版ステータスPublished - 2008 2月 25
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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