Research Article

Characteristics of Nanophase WC and WC-3 wt% (Ni, Co, and Fe) Alloys Using a Rapid Sintering Process for the Application of Friction Stir Processing Tools

Figure 4

Microstructures of sintered hard materials: (a) WC, (b) WC-3 wt% Fe, (c) WC-3 wt% Ni, and (d) WC-3 wt% Co.
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(b)
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(d)