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modified alumina Cement with High Service Properties

China's Refractories 2016年第4期25卷 1-5页

作者： Sergey M.LOGVINKOV GalinaN.SHABANOVA Alia N.KOROHODSKA Elena V.KHRYSTYCH Kharkov National University of Economic after named of S. Kuznets Kharkov 61166 Ukraine National Technical University “Kharkov Polytechnic Institute” Kharkov 61002 Ukraine National University of Civil Protection of Ukraine Kharkov 61023 Ukraine

This scientific paper gives consideration to the information on the contemporary structure of binary systems and three-component CaO-Al_2O_3-ZrO_2 system required to select rational parameters for the synthesis of cementing *** production process of experimental clinker that has a Ca_7Al_6ZrO_（18） composition has been *** data of X-ray phase analysis and petrographic analysis of the experimental composition of special cement have been given and the reasons for availability of inappropriate phases have been *** processes of hydration hardening of the cement stone have been studied and the data of differential thermal analysis were used for the establishment of the hydration mechanism for basic crystal phases in the cement clinker *** differences in the hydration processes of experimental special cement were analyzed in comparison with known mechanisms.A possibility of the exploitation of special binder in contact with ZrO_2（CaO-stabilized）was tested using the specimens of fine concrete that were subjected to thermal treatment in different *** physical and mechanical properties of specimens and the mineralogical composition of concretes were given based on the data of X-ray analysis and the petrographic *** cement additive was selected and its amount in the concrete composition was defined to slow-down the hardening and the mixture plasticization *** relationships of physical and mechanical characteristics of concrete specimens were defined experimentally as a function of granulometric composition of the filler and thermal treatment *** investigation data of corrosion resistance obtained using the static method were used to find out if experimental concretes can operate in contact with the steel-smelting alkaline slag.

关键词： hydration binder hardening smelting inappropriate alumina modified alkaline possibility aggregate

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