Table 1.

Mechanical parameters of the 6082-T6 aluminium alloy sheets.

Sample Direction	Rp0.2, MPa	Rm, MPa	A80, %	n	r	Δr
0°	314	342	13.7	0.087	0.528	−0.139
45°	307	337	14.2	0.086	0.657
90°	313	341	12.0	0.086	0.509