Figure 3
From: Thermal Resistance Variations of Fly Ash Geopolymers: Foaming Responses
SEM micrographs of (a) fly ash; (b) unexposed and exposed unfoamed fly ash geopolymers at (c) 200 °C; (d) 400 °C; (e) 600 °C; and (f) 800 °C.
Figure 3 | Scientific Reports
