fig2
From: Gradient microcellular materials for broadband microwave absorption and multifunctional integration
Figure 2. Characterization of microcellular structure morphology. SEM images of (A-D) G1-G4 and (E-H) U1-U4; (I) cell diameter and (J) cell density of gradient microcellular materials; (K) cell diameter and cell density of U1-U4; (L) EDS mapping of Fe elements in G2 and (M-P) Micro CT scan images of G1-G4.
