During the study using electron microscopy, the structural features of ceramic brick samples with minimum and maximum slag content at the micro-, macro- and meso-level were determined. The method of mercury porosimetry revealed the influence of nickel production slag on reducing the number of the most dangerous pores with a size of 0.002...0.050 microns (mesolevel) of a ceramic shard, which ensures regulation of the formation of the pore phase during the firing process and increases the frost resistance of products. At the same time, it has been established that an increase
in the mass content of slag in the composition of the raw material charge, starting from 5 %, determines the increase in the volume of pores larger than 0.050 microns (macro level) in the volume of the finished product. This causes a decrease in the strength of the samples. The results of electron microscopy of samples with a minimum and maximum content of nickel slag confirmed the identified structural features of the composite ceramic material at the micro-, macro- and meso-level and were used in the development of technology for the production of ceramic bricks with the addition of technogenic products of nickel production.
Victoria A. Gurieva – Doctor of Technical Sciences, Associate Professor, Head of the Department of Construction Production Technology, Federal State Budgetary Educational Institution of Higher Education “Orenburg State University” (OSU), Orenburg, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Anastasia A. Ilyina – Postgraduate Student, Lecturer of the Department of Construction Production Technology, Federal State Budgetary Educational Institution of Higher Education “Orenburg State University” (OSU), Orenburg, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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