Apatite formation on anodized Ti-6Al-4V alloy in simulated body fluid

Xinyu Cui, Hyun Min Kim, Masakazu Kawashita, Longbao Wang, Tianying Xiong, Tadashi Kokubo, Takashi Nakamura

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Titania layers were successfully prepared on the surfaces of Ti-6Al-4V alloy via anodic oxidation in H2SO4 or Na 2SO4 solutions at room temperature. The titania layers consisted of pure rutile or a mixture of anatase and rutile structures after the Ti-6Al-4V alloy had been anodized in 1.0 M H2SO4 solution at 150 V or 0.5 M Na2SO4 solution at 100 or 130 V. Good apatite-forming ability was demonstrated in simulated body fluid. However, surface layers with mainly titanium metallic phase or a pure anatase structure did not possess the ability to induce apatite formation. Anodic oxidation is an effective method to prepare bioactive Ti-6Al-4V alloy that can be used as an artificial bone substitute under load-bearing applications.

Original languageEnglish
Pages (from-to)407-412
Number of pages6
JournalMetals and Materials International
Volume16
Issue number3
DOIs
Publication statusPublished - 2010 Jun 1

Keywords

  • Alloys
  • Anodization
  • Apatite
  • Surface
  • X-ray diffraction

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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