UNIV. NEWS. NORTH-CAUCAS. REG. TECHNICAL SCIENCES SERIES. 2022; 1: 54-59
http://dx.doi.org/10.17213/1560-3644-2022-1-54-59
DETERMINATION OF THE MINIMUM DENSITY OF A POROUS CARBON BASE TO OBTAIN A MATERIAL SIMILAR TO SG-P0,5
Eroshenko Natalya S. – Graduate Student, Department «Chemical Technologies», natali.eroshenko.89@mail.ru
Eroshenko Viktor D. – Candidate of Technical Sciences, Chief Technologist of GrafitEl-Moscow Electrode Plant LLC, viktor.eroshenko.89@mail.ru
Ovchinnikov Andrey N. – Senior Lecturer, Department «Engineering Technology Technological Machines and Equipment», a.n.ovchinnikov@mail.ru
Abstract
By the method of successive impregnation of carbon felt with bakelite LBS-1, followed by heat treatment, a number of fibrous carbon materials with different densities were obtained, which were subsequently used as a carbon base to create siliconized graphite. The minimum value of the density of the carbon base is 0,7 g / cm3, which makes it possible to obtain a siliconized carbon material that meets the requirements of TU 48-20-81-89. The use of carbon felt as a base ensures an even distribution of channel pores in the siliconized material, which allows avoiding internal defects - oversilicated or undersilized areas. The proposed method for obtaining a carbon base by successive impregnations of carbon felt can be recommended for use in industry to create defect-free siliconized materials with a controlled phase composition.
Keywords: siliconized graphite, carbon felt, silicon carbide, X-ray analysis of defects
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