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Thermochemical Modification of Ti-6Al-4V alloy for Biomedical Applications


A. A. Al-asnawy, A. A. El-hadad, Islam S. EL-Sayed, Khairy M. T. Eraba
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In an attempt to increase the bioactivity and corrosion resistance of a Ti–6Al–4V alloy, the thermochemical process for surface modification was utilized. Ti6Al4V substrates were pretreated with a sodium hydroxide (10 M of NaOH aqueous solution at 60°C for 24 h.). After NaOH pretreatment, a three- dimensional porous network of hydrogel layer made of sodium titanate was observed on the Ti6Al4V surface. The gel can then be converted to Ti-OH groups during hydrothermal treatment, which will contribute to the formation of hydroxyapatite when immersing them in a simulated body fluid (SBF) solution for 30 days. Characterization was performed by means of X-ray diffraction (XRD), attenuated total Reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), Scanning electron microscopy (SEM), and energy dispersive X-ray analysis (EDX). The resultant apatite layer formed on titanium metal in SBF could enhance the bonding strength between living tissue and the implant.

A. A. Al-asnawy, A. A. El-hadad, Islam S. EL-Sayed, Khairy M. T. Eraba

Ti6Al4V, Hydroxyapatite, Alkali Pretreatment, Thermochemical - Methods, Sodium Titanate, SBF

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Publication Details

Published in : Volume 2 | Issue 5 | September-October - 2016
Date of Publication Print ISSN Online ISSN
2016-10-31 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
454-463 IJSRSET1625121   Technoscience Academy

Cite This Article

A. A. Al-asnawy, A. A. El-hadad, Islam S. EL-Sayed, Khairy M. T. Eraba, "Thermochemical Modification of Ti-6Al-4V alloy for Biomedical Applications ", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 5, pp.454-463 , September-October-2016.
URL : http://ijsrset.com/IJSRSET1625121.php




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