Paper Title:
Morphological Study of Apatite Formation on NaOH- and Heat-Treated Titanium Metal
  Abstract

Surface structural change of titanium metal with NaOH and heat treatments and the subsequent soaking in a simulated body fluid (SBF) was investigated by observing cross section of its surface layer by scanning electron microscope. A layer of lathlike phase of sodium hydrogen titanate was formed on the surface of the titanium metal 1 µm in thickness by the NaOH treatment. This was transformed into a layer of lathlike form a little densified of sodium titanate and rutile by the subsequent heat treatment. In SBF, apatite started to precipitate in the interior of the surface lathlike layer, filled the interspaces of the lathlike phases and grew over the surface. This integration of the apatite with the surface lathlike layer might be responsible for the strong bonding of the titanium metal to the living bone.

  Info
Periodical
Key Engineering Materials (Volumes 396-398)
Main Theme
Edited by
Marcelo Prado and Cecília Zavaglia
Pages
361-364
DOI
10.4028/www.scientific.net/KEM.396-398.361
Citation
S. Yamaguchi, H. Takadama, T. Matsushita, T. Nakamura, T. Kokubo, "Morphological Study of Apatite Formation on NaOH- and Heat-Treated Titanium Metal ", Key Engineering Materials, Vols. 396-398, pp. 361-364, 2009
Online since
October 2008
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