Wear Resistance of (Diamond-Ni)-Ti6Al4V Gradient Materials Prepared by Combined Selective Laser Melting and Spark Plasma Sintering Techniques

Figure 4

SEM micrographs of nickel-coated diamond particles.

(a) Diamond-30 wt%Ni 20-30 μm

(b) Diamond-56 wt%Ni 6-12 μm

(c) Diamond-30 wt%Ni 40-50 μm

(d) Diamond-56 wt%Ni 40-50 μm