Characterization of Mechanically Alloyed Nanocrystalline Fe(Al): Crystallite Size and Dislocation Density

Figure 1

SEM images of the Fe(Al) powder particles mechanically alloyed: (a) and (a₁) for 2 h, (b) and (b₁) for 12 h, and (c) and (c₁) for 20 h.