Issue 46

H. Mekri et alii, Frattura ed Integrità Strutturale, 46 (2018) 62-72; DOI: 10.3221/IGF-ESIS.46.07 70 Figure 11 : Cartography of Microhardness profiles of cross-sections of dissimilar FSSW between AA 6061 and Galvanised steel; (a) (R S 1000 rpm and D P 1.9 mm); (b) (R S 1000 rpm and D P 2.7 mm); (c) (R S 2000 rpm and D P 2.7 mm). Figure 12: Optical micrographs of cross-sections of dissimilar FSSW between AA 6061 and galvanized steel (a) (R S 1000 rpm and D P 1.9 mm); (b) (R S 1000 and D P 2.7 mm); (c) (R S 2000 rpm and D p 2.7 mm). (b) (c) (a)