Effects of growing integrated layer [GIL] formation on bonding behavior between hydroxyapatite ceramics and Ti-based bulk metallic glasses via hydrothermal hot-pressing

Takamasa Onoki, Xinmin Wang, Shengli Zhu, Naota Sugiyama, Yasuto Hoshikawa, Masaru Akao, Nobuhiro Matsushita, Atsushi Nakahira, Eiichi Yasuda, Masahiro Yoshimura, Akihisa Inoue

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The authors successfully formed a bond between bioactive hydroxyapatite (HA) ceramics and titanium (Ti)-based bulk metallic glasses (Ti40Zr10Cu36Pd14: BMG) through a growing integrated layer (GIL) to develop a new type of biomaterial. The GILs were formed on the BMG surfaces by hydrothermal-electrochemical (HE) techniques. The BMG substrates were treated in a 5 mol/L NaOH solution at 90 °C for 10-120 min while a constant electric current of 0.5 mA/cm2 was maintained between the electrodes. Then the BMG disks with the GIL and a powder mixture of CaHPO4·2H2O and Ca(OH)2 were simultaneously treated with an autoclave for hydrothermal hot-pressing (HHP) (150 °C, 40 MPa, 2 h). Direct bonding between the HA ceramics and the BMG disks could be achieved through the above processing method. Consequently, to the best of our knowledge, this is the first demonstration of the usefulness of a series of hydrothermal techniques (HE and HHP) for direct bonding of bulk ceramics and bulk metallic materials.

本文言語English
ページ(範囲)27-30
ページ数4
ジャーナルMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
161
1-3
DOI
出版ステータスPublished - 2009 4月 15
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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