Effect of water glass modification with nanoparticles of zinc oxide on selected physical and chemical properties of binder and mechanical properties of sand mixture

摘要: In this paper, an attempt was made to use the ZnO nanoparticles as a modifier of foundry binder - water glass. The colloidal suspension zinc oxide in propanol. A thermal method obtain metal adopted. product decomposition basic carbonate ([ZnCO3]2•[Zn(OH)2]3), and introduced into glass amount 1 3 wt%. To determine interfacial reactions taking place quartz modified system, wettability grains measured. effect modification on mechanical properties moulding sands verified by testing tensile strength Rm u with binders. Water solution propanol confirmed sand mixtures additive.