140405.fig.008a
(a)
140405.fig.008b
(b)
140405.fig.008c
(c)
140405.fig.008d
(d)
Figure 8: TEM micrographs showing the distribution of precipitates by tempering at 450°C: (a) Steel B; (b) EDX analysis on the spheroidal particles in (a); (c) Steel C; (d) EDX analysis on the spheroidal particles in (c).