Obtención de recubrimientos de hidroxiapatita sobre titanio mediante el método biomimético

A. Paz; Y. Martín; L. M. Pazos; M. B. Parodi; G. O. Ybarra; J. E. González

doi:10.3989/revmetalmadrid.1009

Authors

A. Paz Dirección de Química, Centro Nacional de Investigaciones Científicas
Y. Martín Dirección de Química, Centro Nacional de Investigaciones Científicas
L. M. Pazos Instituto Nacional de Tecnología Industrial
M. B. Parodi Instituto Nacional de Tecnología Industrial
G. O. Ybarra Instituto Nacional de Tecnología Industrial
J. E. González Dirección de Química, Centro Nacional de Investigaciones Científicas

DOI:

https://doi.org/10.3989/revmetalmadrid.1009

Keywords:

Hydroxyapatite, Titanium, Biomimetic, Coating

Abstract

In this work, a study about the deposition of hydroxyapatite on a titanium substrate employing the biomimetic method is presented. A solution with high content of calcium and phosphorus (SCS) was used. In addition, activation of titanium with hydrogen peroxide and hydrochloric acid and a subsequent heat treatment was performed. The characterization of materials used and the coating obtained was carried out by Infrared Spectroscopy (FT-IR), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDX). As a result of the activation processes a hydrated titanium oxide was formed. On the active surface, a coating of hydroxyapatite was obtained after a period of 24 h, which has a thickness of about 2-4 μm.

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