Advances in Materials Science and Engineering / 2017 / Article / Fig 6

Research Article

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

Figure 6

(a) SEM images of the unalloyed sample. SEM images of the samples sintered for different mechanical alloying times: (b) 20 min, (c) 12 h, and (d) 24 h.

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