Abstract
We developed a vibrational molding process for obtaining ceramic concretes using rigid mixtures and metallic molds. The as-formed semifinished products are characterized by a fairly high mechanical strength. A siliceous (silica-based) ceramic concrete having a porosity of 12–16% and an ultimate compressive strength of 20–25 N/mm2 was obtained. The mechanism of structure evolution of the semifinished products was identified; it is determined by the interaction between the phases and fixing (orientation) of the liquid phase of the highly concentrated binder suspensions due to the molecular forces of the filler grains.
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