Pack Cementation Treatment of Titanium Using Tetracalcium Phosphate Powder for Biomedical Applications

Kyosuke Ueda; Hajime Suto; Kaori Nakaie; Takayuki Narushima

doi:10.4028/www.scientific.net/MSF.654-656.2172

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HomeMaterials Science ForumMaterials Science Forum Vols. 654-656Pack Cementation Treatment of Titanium Using...

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.

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Materials Science Forum (Volumes 654-656)

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2172-2175

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.654-656.2172

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Online since:

June 2010

Authors:

Kyosuke Ueda, Hajime Suto, Kaori Nakaie, Takayuki Narushima

Keywords:

Immersion Test, Pack Cementation Treatment, Tetracalcium Phosphate, Titanium

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