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Stress Enhanced Tio2 Nanowire Growth On Ti-6al-4v Particles By Thermal Oxidation
Stress Enhanced Tio2 Nanowire Growth On Ti-6al-4v Particles By Thermal Oxidation
A.S. Md Abdul Haseeb
Titanium dioxide (TiO2) nanowires were grown on Ti - 6wt% Al - 4wt% V (Ti64) particles by thermal oxidation. To investigate the effect of stress on nanowire growth, the particles were milled in a planetary ball mill prior to the thermal oxidation. Thermal oxidation of the Ti64 particles was carried out in a horizontal tube furnace in a controlled oxygen atmosphere in the temperature range of 700-900 °C. The oxygen concentration was varied from 20 ppm to 80 ppm in Ar atmosphere. Nanostructures were characterized by high resolution field emission scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction. TiO2 …