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Title: RESEARCH AND MATHEMATICAL MODELING OF THE PROCESS OF OBTAINING A NANOCOMPOSITE OF SIC-CNT
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RESEARCH AND MATHEMATICAL MODELING OF THE PROCESS OF OBTAINING A NANOCOMPOSITE OF SIC-CNT
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1314-2704
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English
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18
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6.1
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The reinforcement of ceramic composites with the help of carbon nanotubes (CNTs) is
used to increase and stabilize the mechanical properties of composites based on silicon carbide, such as strength, fracture toughness and modulus of elasticity. To save the properties and reduce the synthesis temperature of ceramics based on silicon carbide, an aluminum-magnesian spinel is introduced into the matrix. A nanocomposite with a matrix of silicon carbide (SiC) and spinel (MgAl2O4) and with a CNT content of 1-3% by weight was synthesized by the method of spark plasma sintering (SPS).Based on the results of studies of the properties of the obtained samples of a ceramic SiC-CNT composite, it can be noted that the porosity depends on the amount of CNTs and the holding time. The constructed mathematical model describes the change in porosity during the process of plasma plasma sintering of the composite. The mathematical model contains kinetic constants that take into account the influence of the physical parameters of the various stages of sintering. This mathematical model makes it possible to perform numerical experiments to determine the optimum temperature regime of sintering. The research is supported by the Ministry of Education and Science of the Russian Federation, agreement 14.574.21.0158, project ID RFMEFI57417X0158. |
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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425-432
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02-08 July, 2018
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website
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cdrom
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1823
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Composite; silicon carbide; carbon nanotubes; mathematical modeling;
spark plasma sintering |
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