Influence of Manufacturing Factors on Mechanical Behavior of Sealing Multigraphene Materials

Nigmatullin, I.; Morozov, N.; Olshukov, A.; Shulyak, V.; Gubin, V.; Klyukova, K.; Gracheva, A.; Avdeev, V.; Chebotarev, S.

Авторы: Nigmatullin Ildar, Morozov Nikolai, Olshukov Alexey, Shulyak Vladimir, Gubin Viktor, Klyukova Kristina, Gracheva Alexandra, Avdeev Viktor, Chebotarev Sergei
Журнал: Journal of Materials Engineering and Performance
Том: 35
Год издания: 2026
Издательство: ASM International
Местоположение издательства: United States
DOI: 10.1007/s11665-026-13615-6
Аннотация: Compacted multigraphene materials (CMGM) with 1.0-1.3 g/cm3 densities have excellent gasket properties. CMGM with 1.5-1.8 g/cm3 densities are used as wide-range temperature controllers. The article presents results of a comprehensive study of such production factors as temperature modes and gas-dynamic transport flows influence on the compressibility, recovery and resiliency of CMGM, measured according to the ASTM F36-15 standard. The experiments were carried out in a specially designed three-section furnace equipped with dosing and air transport systems. The furnace was designed using heat and mass transfer multiphysics process modeling of converting oxidized graphite into thermally expanded multigraphene material. The temperature field distribution nature is shown to significantly affect the CMGM mechanical properties. It was found that the best recovery rate of ~ 11 % is achieved by central furnace section heating to 1100 °C with initial temperatures of the outer sections of 700 °C. The technological mode, in addition to improving the CMGM mechanical properties, is shown to reduce furnace energy consumption in 28 %
Добавил в систему: Морозов Николай Сергеевич

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Influence of Manufacturing Factors on Mechanical Behavior of Sealing Multigraphene Materialsстатья

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