Springback of Friction Stir Welded Sheets Made of Aluminium Grades during V-Bending: An Experimental Study

Table 2

Tensile properties of AA 5052H32.

Rolling direction	𝜎ys (MPa)	UTS (MPa)	𝜀𝑢 (%)	𝜀𝑡 (%)	𝑛	𝐾 (MPa)	𝑅
0^0	170±8	228±7	11.2±1	13.4±2	0.14	335±20	0.92
15^0	166±9	224±7	10.2±1	13.0±2	0.14	330±22	0.94
30^0	163±7	220±9	11.9±2	13.4±1	0.14	321±26	0.85
45^0	168±10	225±8	10.8±2	13.4±1	0.14	318±16	0.93
60^0	157±6	218±8	11.6±1	13.3±2	0.15	325±21	0.71
75^0	165±5	221±10	11.2±2	13.7±2	0.15	321±19	0.72
90^0	165±8	222±5	9.9±2	12.6±1	0.15	326±21	0.85

𝜎_ys: yield strength; UTS: ultimate tensile strength; 𝜀_𝑢: uniform elongation; 𝜀_𝑡: total elongation (at 50 mm gauge length); 𝐾: strength coefficient; 𝑛: strain hardening exponent; 𝑅: plastic strain ratio.