Effect of Processing on Mechanically Alloyed and Spark Plasma Sintered Al-Al₂O₃ Nanocomposites

Figure 4

FE-SEM micrographs of Al-10 vol.% Al₂O₃ composite mechanically alloyed for (a) 2 h; (b) 8 h; (c) 15 h; (d) 24 h and corresponding mapping of Al and O.

(a)

(b)

(c)

(d)