Ti(C, N)-Based Cermets with Two Kinds of Core-Rim Structures Constructed by β-Co Microspheres

Figure 5

Morphology of (Ti, W Mo, Ta) (C, N) powders, as obtained by SEM. (a) Ball mill 3 h; (b) ball mill 6 h; (c) ball mill 9 h; (d) ball mill 12 h.

(a)

(b)

(c)

(d)