Growth of 1-D TiO₂ Nanowires on Ti and Ti Alloys by Oxidation

Figure 6

(a) A schematic diagram of Ti alloy samples showing the β precipitates along the grain boundary of the α-matrix, (b) a surface image of the alloy sample after the heat treatment at 700°C for 8 hr at a flow rate of 500 mL/min, and (c) the image at higher magnification highlighting enhanced growth around the β phase.

(a)

(b)

(c)