An Investigation on Dislocation Density in Cold-Rolled Copper Using Electrochemical Impedance Spectroscopy

Table 1

Yield strength and true strain corresponding to each amount of cold work.

Specimen code	C10	C9	C8	C7	C6	C5
Cold work (%)	0	10	20	30	40	50
True strain	0	0.09	0.18	0.26	0.34	0.40
Yield strength (0.2%) (MPa)	162.54	221.88	255.15	275.33	290.52	292.31