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The effect of small additions of zirconium concentrate with average particle size 30 nm on the physical and mechanical properties of foam glass is examined. It is found that the introduction of zirconium dioxide into the foaming mixture changes the macrostructure of foam glass and increases the average pore size to 2.5 mm. Nanosize ZrO2 decreases the viscosity of melt upon foaming. The optimal weight...
The possibility of eliminating the alkali-silica reaction (ASR-interaction) in foam glass owing to crystallization of glass is examined. It is found that the main crystalline phases in the crystallization of the amorphous phase of foam glass are devitrite (Na2Ca3Si6O16), an octahedral phase (Na4CaSi3O9), and a cristobalitetridimite modification of SiO2. The binary glass ceramic composition of foam...
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