Influence of aluminum-containing slag on physical and mechanical parameters, phase composition and porosity of acid-resistant materials

Author:

Abdrakhimova E. S.

Abstract

The use of slag from the smelting of carbon-free ferrochrome with increased contents of refractory oxides (Al2O3 57,8 wt. %, CaO 14,9 wt. %, MgO 12,7 wt. %, and Cr2O3 5,6 wt. %) in the production of acid-resistant materials based on non-enriched kaolin clay, it allows to obtain acid-resistant products with high physical, mechanical and chemical parameters in the range of firing temperatures of 1250‒1300 oC. Тhe introduction of slag from the smelting of carbon-free ferrochrome into the compositions of ceramic masses contributes to the formation of highly refractory minerals (corundum, chromium oxide, bonite, mayenite, magnesia overcoat) and an increase in the content of mullite, and also reduces open porosity and thereby strengthens the product.

Publisher

National University of Science and Technology MISiS

Subject

Computer Networks and Communications,Hardware and Architecture,Software

Reference19 articles.

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