Enhanced Corrosion Resistance of Recycled Aluminum Alloy 6061 Chips Using Hot Extrusion Followed by ECAP

Table 2

Identification and geometry of the samples used in the corrosion test.

	Condition	Diameter (mm)	Active surface (cross section) (cm^2)
E0	As-received	5	0.20
E1	Hot extruded at 500°C	7	0.39
E2	ECAP-2 passes	7	0.39
E3	ECAP-4 passes	8	0.50
E4	ECAP-6 passes	7	0.39