Effects of Mechanical Alloying on Sintering Behavior of Tungsten Carbide-Cobalt Hard Metal System

Figure 1

SEM images of the mechanically alloyed samples for (a) 20 min, (b) 1 h, (c) 3 h, (d) 6 h, (e) 12 h, and (f) 24 h.

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(f)