Investigate the Process Parameter on the Friction Stir Welding of Dissimilar Aluminium Alloys

Table 2

AA7475 and AA2219: mechanical and thermal characteristics.

Materials	UTS (MPa)	Yield strength (MPa)	Percentage of elongation (%)	Material thermal conductivity (W/mK)	Incipient melting liquids’ temperature (°C)
AA7475-T651	460–470	425–435	12–15	162–165	535–635
AA 2219-O	290–295	215–230	14–16	115–125	545–645