Paper Title:
Pack Cementation Treatment of Titanium Using Tetracalcium Phosphate Powder for Biomedical Applications
  Abstract

The surface modification of commercially pure titanium (CP Ti) by pack cementation treatment at 973 K using tetracalcium phosphate (Ca4(PO4)2O, TTCP) slurry was investigated. An HAp phase and a CaTiO3 phase were observed on the reaction layer of the CP Ti substrate after pack cementation treatment at 973 K for 86.4 ks. TTCP powder decomposed to HAp and CaO, and CaO reacted with TiO2 to form CaTiO3. The reaction layer on the CP Ti substrate consisted of inner and outer layers and the particles were in the outer reaction layer. The pores observed on the reaction layer were formed by the detachment of particles from the outer layer. The bonding strength of the reaction layer was 68.1 MPa. Apatite completely covered the surface of the pack-cementation-treated CP Ti after immersion in Kokubo solution for 21.6 ks; such rapid apatite formation suggests that pack cementation treatment improves the biocompatibility of titanium.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
2172-2175
DOI
10.4028/www.scientific.net/MSF.654-656.2172
Citation
K. Ueda, H. Suto, K. Nakaie, T. Narushima, "Pack Cementation Treatment of Titanium Using Tetracalcium Phosphate Powder for Biomedical Applications", Materials Science Forum, Vols. 654-656, pp. 2172-2175, 2010
Online since
June 2010
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$32.00
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