S. M. Azarov, E. E. Petushik, A. A. Drobysh, T. E. Evtukhova, E. I. Mikhasik
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Modeling and Optimization of Characteristics of Structures Made of Refractory Nonmetallic Materials with a Rigid System of Transport Pores Formed by Sintering Fibers
The article presents the results of studies on modeling and optimizing the structure of refractory nonmetallic materials with a rigid system of transport pores formed by sintering basalt fibers. Based on the analysis of the images of the structures, it is shown that the Kozeny approach can be chosen as an approximate model for calculating and optimizing the characteristics for a combination of two media: a medium formed by ceramic fibers and a medium in the form of a rigid system of transport pores. Moreover, the interpenetration of media obeys a normal distribution. It has been established by calculation that the optimal structure with a porosity of 52–75% is characterized by an average pore size of 20–25 µm, a permeability coefficient (2–3) × 10–10 m2, and a compressive strength of 7–21 MPa. The calculated values are confirmed by experimental results. The conducted studies prove that the porous material made of basalt fiber is able to provide better filtering characteristics compared to analogues.
期刊介绍：
Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.
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