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

Figure 2

Microstructure of (a) as-received, (b) extrusion temperature (ET) = 500°C, (c) ECAP-2 passes, and (d) ECAP-6 passes.

(a)

(b)

(c)

(d)