Table 2.

The results of OCP, corrosion potential and corrosion current of as-extruded, T5 and T6 specimens.

Sample	OCP (V vs. SCE)	Ecorr (V vs. SCE)	Icorr (A/cm2)
E	−1.627	−1.469	1.106 × 10−4
E + T5	−1.645	−1.492	2.089 × 10−5
E + T6	−1.643	−1.521	1.518 × 10−5