Microstructure of POPbeton
Fly ash as raw material, polished specimen.
Detail of a polished specimen.
Aggregate interface.
Reinforcement interface.
POPbeton after 2 years of placement in a Na2SO4 solution.
POPbeton after 7 years of placement in sea water.
POPbeton (mortar) after 3 months of placement in H2SO4.
Fired POPbeton (specimens from right): firing temperatures of 20°C, 600 °C, 800°C and 1000 °C , both orange pieces were fired to 1000°C.