Effect of SiC Nanowhisker on the Microstructure and Mechanical Properties of WC-Ni Cemented Carbide Prepared by Spark Plasma Sintering
Figure 4
Typical SEM micrographs on the etched surfaces of the prepared WC-Ni cemented carbides with varied fractions of SiC nanowhisker: (a) 0 wt.%, (b) 0.75 wt.%, (c) 1.5 wt.%, (d) 2.25 wt.%, (e) 3.0 wt.%, and (f) 3.75 wt.% (etched by Murakami’s reagent for 2 min).
