Paper Title:
Apatite-Forming Ability of Titanium Metal Enriched with Calcium Ion on its Surface
  Abstract

In order to study method for preparing bioactive titanium metal, calcium ions were attempted to be incorporated into the surface of the titanium metal by ion exchange method. Titanium metal was soaked in 5M NaOH solution and 100mMCaCl2 solution and subjected to heat treatment. About 5 atom% of Na was incorporated into the surface of the titanium metal by the NaOH treatment This Na was completely replaced with calcium ion by the CaCl2 treatment and maintained even after the heat treatment. Critical detaching strength of the surface layer to the substrate of NaOH-treated titanium metal was a little increased by the CaCl2 treatment and remarkably increased by the heat treatment. Apatite-forming ability of the NaOH-treated titanium metal in SBF was increased by the CaCl2 treatment, but decreased by the subsequent heat treatment.

  Info
Periodical
Key Engineering Materials (Volumes 361-363)
Main Theme
Edited by
Guy Daculsi and Pierre Layrolle
Pages
581-584
DOI
10.4028/www.scientific.net/KEM.361-363.581
Citation
T. Kizuki, T. Kawai, H. Takadama, T. Matsushita, T. Kokubo, T. Nakamura, "Apatite-Forming Ability of Titanium Metal Enriched with Calcium Ion on its Surface", Key Engineering Materials, Vols. 361-363, pp. 581-584, 2008
Online since
November 2007
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