Effect of the Steam Activation Thermal Treatment on the Microstructure of Continuous TiO₂ Fibers

Figure 6

SEM images of the continuous TiO₂ fibers calcined 300°C ((a), (b), and (c)); 500°C ((d), (e), and (f)) and 700°C ((g), (h), and (i)) using steam activation for 90 min.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)