Figure 3
Macroscopic crack propagation pathways at ΔK = 20 MPa m1/2 in (a) δ-FG and (b) CG, obtained by optical microscope: (a-1,b-1) are for non-charged specimens. (a-2,b-2) are for H-charged specimens. The arrowheads denote the crack tips.
Figure 3 | Scientific Reports
