Figure 6

The stress–strain curves of samples before and after electrochemical treatment: (a) untreated samples; (b) 0.2 V/cm; (c) 0.5 V/cm; (d) 1.0 V/cm; (e) 2.0 V/cm; (f) 3.0 V/cm.
The stress–strain curves of samples before and after electrochemical treatment: (a) untreated samples; (b) 0.2 V/cm; (c) 0.5 V/cm; (d) 1.0 V/cm; (e) 2.0 V/cm; (f) 3.0 V/cm.