- BUILDING MATERIALS AND PRODUCTS
- Assessment of Suitability of Basalts for Production of Mineral Fiber
- ÓÄÊ 691.213.2
Tatiana A. DROZDYUK, e-mail: t.drozdyuk@narfu.ru
Arkady M. AYZENSHTADT, e-mail: a.isenshtadt@narfu.ru
Tatiana A. MAKHOVA, e-mail: t.mahova@narfu.ru
Maria A. FROLOVA, e-mail: m.aizenstadt@narfu.ru
Northern (Arctic) Federal University named after M.V. Lomonosov, Severnaya Dvina naberezhnaya, 17, Arkhangelsk 163002, Russian Federation
Abstract. The analysis of existing methods of preliminary assessment of the suitability of basalt raw materials for the production of mineral fibers is made. It is shown that for such an assessment it is necessary to take into account a number of parameters that characterize the technological properties of basalt raw materials, and not be limited to parameters depending only on the chemical composition. It is stated that such a value is the viscosity of the basalt melt, and the acidity module and the meltability constant can't serve as universal criteria. The assessment of the suitability of basalt of the Myanduha Deposit, located in the Arkhangelsk region, for the manufacture of mineral fibers is made. For the basalts of this deposit, the chemical composition and melting point were determined, and the acidity modulus, the meltability constant and the melt viscosity were calculated. Experimental results make it possible to recommend basalts of the Myanduha Deposit for the production of fine continuous fibers.
Key words: basalt, mineral fibers, melting point, basalt of Myanduha Deposit, melt viscosity, acidity modulus. - REFERENCES
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