Reticulated Open-Celled Zinc Oxide Ceramic Foams: Manufacturing, Microstructure, Mechanical, and Thermal Properties

Figure 2

SEM micrographs of the strut fracture surface in zinc oxide ceramic foams: (a) SE image, (b, c) BSE images revealing the Bi-containing secondary phase in the grain boundaries, (d) grain size distribution in the ZnO strut material, and (e, f) BSE micrograph and EDS spectra of the strut surface (black ○) and of individual grains of a Sb-containing secondary phase (red ○).

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