Evolution of the Microstructure and Strength in the Nugget Zone of Friction Stir Welded SiCp/Al–Cu–Mg Composite
Wang D.
1,
2
, Xiao B.L.
1,
*
, Wang Q.Z.
1
, Ma Z.Y.
1
Fig. 2. Optical micrographs of SiCp2009Al composite: a BM, b as-FSW sample, c FSW-T4 sample.