Chapter 35. Bioactive Titania Gel Derived from Combined Chemical and Thermal Treatments of Titanium

  1. Waltraud M. Kriven and
  2. Hua-Tay Lin
  1. Satoshi Hayakawa,
  2. Koichi Shibata,
  3. Kanji Tsuru and
  4. Akiyoshi Osaka

Published Online: 27 MAR 2008

DOI: 10.1002/9780470294802.ch35

27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: A: Ceramic Engineering and Science Proceedings, Volume 24, Issue 3

27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: A: Ceramic Engineering and Science Proceedings, Volume 24, Issue 3

How to Cite

Hayakawa, S., Shibata, K., Tsuru, K. and Osaka, A. (2003) Bioactive Titania Gel Derived from Combined Chemical and Thermal Treatments of Titanium, in 27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: A: Ceramic Engineering and Science Proceedings, Volume 24, Issue 3 (eds W. M. Kriven and H.-T. Lin), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294802.ch35

Publication History

  1. Published Online: 27 MAR 2008
  2. Published Print: 1 JAN 2003

ISBN Information

Print ISBN: 9780470375839

Online ISBN: 9780470294802

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Keywords:

  • bioactive titania gel;
  • titanium substrates;
  • orthopedic implants;
  • simulated body fluid;
  • commercially available pure titanium

Summary

Bioactive titania gel was derived from chemical treatment of Ti substrate with dilute H2O2 solutions and subsequent thermal treatments. We examined the effects of the chemical treatment time and the concentration and pH of the H2O2 solutions on both formation of titania gel and in vitro deposition of apatite or bioactivity. The optimum treatments consisted of 6 mass% H2O2 treatment at 60°C for 3-6 h and subsequent thermal treatment at 400°C for 1 h. Reactions between the titanium substrates and H2O2 involved the oxidation of titanium, titania gel formation and Ti dissolution.