Springback Study on Profile Flexible 3D Stretch-Bending Process Using the Neural Network

Table 1

Aluminum alloy grade and mechanical properties.

Aluminum alloy grade	Treatment state	Elastic modulus E (MPa)	Tangent modulus E1 (MPa)	Tensile strength (MPa)	Yield strength (MPa)	Poisson’s ratio	Density (g/cm^3)
6063	T5	68300	341.667	186	145	0.33	2.69
6005A	T5	69000	210	262	241	0.33	2.7
5052	H32	69300	291.667	230	195	0.33	2.68
5083	H112	70300	687.5	303	193	0.33	2.66
6082	T6	71000	666.67	290	250	0.33	2.7