Figure 3. All optical micrographs are as-cast condition : (a) Alloy-1, (b) Alloy-2, (c) Alloy-3, (d) Alloy-4; EPMA micrographs are as-cast condition: (e) Alloy-2, (f) Alloy-4

From

Heat Treatment and Friction Stir Processing Effects on Mechanical Properties and Microstructural Evolution of Sc Inoculated Al-Zn-Mg Alloys

P. K. Mandal

Materials Science and Metallurgy Engineering. 2017, 4(1), 16-28 doi:10.12691/msme-4-1-2