TiC_0.5N_0.5-Based Cermets with Varied Amounts of Si₃N₄ Nanopowders Prepared by Spark Plasma Sintering

Figure 4

Typical SE SEM images on fracture surface of the as-prepared cermets with different amounts of Si₃N₄ nanopowder: (a) 0 wt.%, (b) 2 wt.%, and (c) 5 wt.%.

(a)

(b)

(c)