Modeling of gas-phase compression for carbon-carbon composites

Authors

  • Віктор Олексійович Скачков Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006, Ukraine
  • Віктор Ілліч Іванов Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006, Ukraine
  • Сергій Анатолійович Воденніков Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006, Ukraine
  • Юрій Вікторович Мосейко Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.12396

Keywords:

Carbon-carbon composites, gas phase, pyrocarbon, compression methods, mathematical models

Abstract

Compression of carbon-carbon composites is carried out in thermo-chemical reactor of flowing type by filling the porous structure with pyrocarbon deposited from the gas phase during the pyrolysis of hydrocarbons. Homogeneous processes create the complex of saturated and unsaturated hydrocarbons and a number of radicals. The products of homogeneous processes and source hydrocarbon diffuse into the porous structure and form a solid residue – pyrocarbon, decomposing on the heated sides of pores.

Practical implementation of the compression of the composites can be fulfilled by isothermal and nonisothermal methods under static and pulsating pressure, as well as with and without the forced convection.

It follows from the analysis of mathematical models of different methods of gas-phase compression of carbon-carbon composites that use of processes with pulsating pressure does not lead to decrease in the duration of compression and increase of deposition of pyrocarbon in the porous structure. Forced feed of the reaction gas into the porous structure during the isothermal process increases the amount of pyrocarbon deposited in the volume of the composite. However, the efficiency of the process is limited by the moment of overgrowing of pore throats. During the thermogradient process, the forced feed of the reaction gas increases the rate of deposition of pyrocarbon along a pore and reduces the duration of the compression

Author Biographies

Віктор Олексійович Скачков, Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006

Candidate of engineering’s sciences, associate professor

Metallurgy of the coloured metals department

Віктор Ілліч Іванов, Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006

Senior research worker

Metallurgy of the black metals department 

Сергій Анатолійович Воденніков, Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006

Doctor of engineering’s sciences, professor, manager by a department

Metallurgy of black metals department 

Юрій Вікторович Мосейко, Zaporozhe state engineering academy ave. Lenin, 226, Zaporozhe, Ukraine, 69006

Candidate of pedagogic sciences, associate professor

Metallurgy of black metals department

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Published

2013-04-25

How to Cite

Скачков, В. О., Іванов, В. І., Воденніков, С. А., & Мосейко, Ю. В. (2013). Modeling of gas-phase compression for carbon-carbon composites. Eastern-European Journal of Enterprise Technologies, 2(5(62), 16–19. https://doi.org/10.15587/1729-4061.2013.12396

Issue

Vol. 2 No. 5(62) (2013): The applied physics and materials technology

Section

Applied physics

License

Copyright (c) 2014 Віктор Олексійович Скачков, Віктор Ілліч Іванов, Сергій Анатолійович Воденніков, Юрій Вікторович Мосейко

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