Titanium Substrate Surfaces Coated with Hydroxyapatite by Magnetron Sputtering

Abstract:

The deposition of hydroxyapatite coatings on titanium via sputtering techniques has been quite studied on commercial dense substrates, for use as a biomaterial. In this work, porous titanium samples produced by powder metallurgy and commercially dense titanium sheet, used as control, were used as substrates. The coatings were deposited by radio frequency magnetron sputtering using a hydroxyapatite target in argon atmosphere with different deposition times. Samples characterization was performed by Optical Microscopy, Scanning Electron Microscopy/Energy Dispersive Spectroscopy and low-angle X-ray Diffraction. Hydroxyapatite coating depositions were obtained on both titanium substrates. The results indicated the potential of this methodology for titanium substrates with homogeneous hydroxyapatite coatings.

• Periodical: Materials Science Forum (Volumes 798-799)
• Pages: 472-477
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.798-799.472
• Online since: June 2014
• Authors: Roseli Marins Balestra, Alexandre Antunes Ribeiro, Joao C. de Oliveira, Albano Cavaleiro, Marize Varela Oliveira
• Keywords: Hydroxyapatite (HA), Magnetron Sputtering, Powder metallurgy, Titanium

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