Production of calcium phosphate coatings by laser ablation for biomedical applications
Keywords:Laser ablation, Coating, Calcium phosphate, Implant
Apatitic calcium phosphates are used as coatings to improve the fixation of orthopedic and dental implants. The commercial technique to produce these coatings (plasm-spray) shows some problems of adherence and control of their physicochemical properties. In this communication laser ablation is presented as a solution to overcome these problems. The ablation system consists in a vacuum chamber filled with water vapour up to the desired pressure. The laser beam of an ArF excimer laser is focused on a hydroxyapatite target, and the coating is deposited on a substrate parallel to the target maintained at certain temperature. The physicochemical properties of the material were analysed by Fourier transformed infrared spectroscopy (FT-IR) X ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X ray spectroscopy (EDX). Taking into account these results, two types of coatings were choosen to asses their biocompatibility in vitro.
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How to Cite
Mayor, M. B., Arias, J. L., García-Sanz, F. J., Pou, J., León-Camacho, B., & Pérez-Amor, M. (1998). Production of calcium phosphate coatings by laser ablation for biomedical applications. Revista De Metalurgia, 34(2), 89–93. https://doi.org/10.3989/revmetalm.1998.v34.i2.666
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