Figure 4
Microstructure of copper after cumulative hydrostatic extrusion process: (a) ɛ = 1.71, (b) ɛ = 2.53, (c) ɛ = 3.08, (d) ɛ = 3.89. 
cross – section, 
longitudinal section.
Figure 4 | Scientific Reports
Microstructure of copper after cumulative hydrostatic extrusion process: (a) ɛ = 1.71, (b) ɛ = 2.53, (c) ɛ = 3.08, (d) ɛ = 3.89. cross – section, longitudinal section.
