The Influence of Process Parameters on the Mechanical Properties of Friction Stir-Welded Dissimilar Aluminium Alloys AA2219 and AA7068

Table 1

Dissimilar alloys’ chemical composition.

Element	Mg	Ni	Si	Fe	Cu	Ti	Al
AA2219-T6	1.60	1.0	0.18	1.1	2.30	0.07	93.7
AA7068-T6	2.7	0.12	5.1	0.35	2.0	0.58	88.1