Research Article
Effects of Mechanical Alloying on Sintering Behavior of Tungsten Carbide-Cobalt Hard Metal System
Figure 4
SEM images of the powders prepared by mechanical alloying for 24 h at different concentrations: (a) 25%, (b) 50%, (c) 75%, and (d) 100%.
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(b) |
(c) |
(d) |