Features of Black Clinker Brick Production

The results of studies on the influence of a number of factors on obtaining wall and road clinker brick of black color are presented. Examples of products and architectural solutions are given, problems and main technological tasks for obtaining a dark color of products are reflected, data on types of clays most suitable for producing clinker brick are given, principles of obtaining the optimal structure of burnt material are considered. The characteristics of chromophore elements are given taking into account their availability for obtaining black brick clinker. Brief chromophore properties of the selected elements and compositions of the most common black ceramic pigments are given. The question of the most stable crystalline compounds that give color to the ceramic material – spinel, garnet, forsterite, diopside, and others – is examined. Efficient black crystalline compounds are selected to produce a brick with a corresponding color. The influence of the glassy phase on the color saturation of the ceramic material and the relationship with the physical and technical properties of the products are shown. The main recommendations for determining the possibility of obtaining clinker brick of black color on the basis of various types of clay raw materials and technological principles of production based on the creation of a special matrix structure of ceramic material, taking into account the durability and color preservation of the products, are presented.

V.D. KOTLYAR¹, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
N.I. NEBEZHKO², Engineer;
Yu.V. TEREKHINA¹, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.);
Yu.V. POPOV³, Candidate of Sciences (Geology and Mineralogy) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
Yu.I. NEBEZHKO⁴, Director;
R.A. YASHCHENKO¹, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Don state technical University (1, Gagarin Square, Rostov-on-Don, 344000, Russian Federation)
² Individual Entrepreneur (108, Prosvesheniia Street, Novocherkassk, 346000, Russian Federation)
³ Southern Federal University (105/42, Bolshaya Sadovaya Street, Rostov-on-Don, 344006, Russian Federation)
⁴ Elitnaya stroitel’naya keramika (86A, Aleksandrovskaya Street, Novocherkassk, Rostov Region, 346421, Russian Federation)

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