Spontaneous Deposition of Bonelike Apatite Layer on Bioactively H2O2-Treated Titanium Substrate

Wen Jun He; Rui Fu Zhu; Yu Peng Lü

doi:10.4028/www.scientific.net/AMR.1096.371

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1096Spontaneous Deposition of Bonelike Apatite Layer...

Spontaneous Deposition of Bonelike Apatite Layer on Bioactively H₂O₂-Treated Titanium Substrate

Abstract:

The bioactivity of commercially pure titanium treated with H₂O₂ solution and/or heating process are evaluated by immersing the specimens in a simulated body fluid (SBF). Bone-like apatite with typical characteristics of low crystallinity and defective structure was deposited on the H₂O₂/SnCl₂-treated titanium surface. Heating treatment or immersion time can improve the deposition effect of apatite to a certain extent. The atom ratio of Ca/P in the formed apatite varies from 2.7 to 1.6, deviating from the equilibrium ratio 1.7 of HA. The mechanism for nucleation and growth of the apatite layer can be attributed to the amorphous titania sol, the morphology filled with numerous net and crack in Ti surface and the catalyze effect of Sn ion.

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Periodical:

Advanced Materials Research (Volume 1096)

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371-375

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1096.371

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Online since:

April 2015

Authors:

Wen Jun He*, Rui Fu Zhu, Yu Peng Lü

Keywords:

Bioactivity, Hydroxyapatite, Spontaneous Deposition, Titanium

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