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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Druckformat: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v4.i4.30
9 pages

HIGH TEMPERATURE SYNTHESIS OF MODIFIED EXFOLIATED GRAPHITE-BASED MATERIALS AND THEIR MECHANICAL PROPERTIES

Yu. A. Nikitin
Institute of Surface Chemistry, Academy of Sciences of Ukraine, Prospect Nauki 31, P.O. Box 252650, Kiev 252022; The Zhitomir Institute of Industrial Engineers, 103, str. Chernyhovsky, Zhitomir 262005, Ukraine
Ivan G. Chernysh
Institute of Surface Chemistry, Academy of Sciences of Ukraine, Prospect Nauki 31, P.O. Box 252650, Kiev 252022; The Zhitomir Institute of Industrial Engineers, 103, str. Chernyhovsky, Zhitomir 262005, Ukraine
Wasil P. Honcharyk
Institute of Surface Chemistry, Academy of Sciences of Ukraine, Prospect Nauki 31, P.O. Box 252650, Kiev 252022; The Zhitomir Institute of Industrial Engineers, 103, str. Chernyhovsky, Zhitomir 262005, Ukraine

ABSTRAKT

Using perspective trends in formation of exfoliated graphite (EG)-based composition materials by synthesis of non-organic combinations on the surface of EG-particles, it was proved the possibility of purposeful change of properties both of EG-powder surface and EG-based moulded materials.
This work presents a method of synthesis of alumosilicates on the surface of EG-particles in order to improve the thermooxidazing resistance of graphite.
Methodical approach an evaluation of formation and deformation processes, as well as an evaluation of structural strength of pressed articles produced from modified EG-powder, was elaborated. It was established that process of synthesis of alumosilicates on the surface of EG-particles leads to the formation of energetically more stable honeycomb powder structure in vermicular form with decreased number of defects in continuity of the structure in form of powder. This property increase the durability of articles, produced from EG-powder with modified surface.


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