Effect of Friction Stir Processing on Gas Tungsten Arc-Welded and Friction Stir-Welded 5083-H111 Aluminium Alloy Joints

Table 6

Friction stir-processed and unprocessed GTAW weld joints results.

Sample	Rρ0.2 yield strength (MPa)	Ultimate tensile strength (MPa)	Percentage elongation (%)	Joint efficiency (%)
Base metal		350	16
A	38.220	46.028	6.56	13.15
B	68.111	153.75	9.41	44
C	53.139	133.833	8.56	38.24
A2	122.08	172.167	12	49.19
B2	93.421	186.722	16	53.35
C2	173.611	249.917	22.86	71.40