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Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black

Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black

By using the oscilloscope method within the frequency range 10 to 10⁶ Hz at the temperature 492.1 K and pressure 11.31 MPa at the output of the single-screw extruder, the dielectric properties of the composite melt – linear low-density polyethylene + 20 wt.% of graphite + 10 wt.% of carbon black – h...

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Main Authors: Kuryptya, Ya.A., Savchenko, B.M., Kovalchuk, O.V., Kovalchuk, T.M., Shostak, T.S.
Format: Article
Language:English
Published: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2016
Series:Semiconductor Physics Quantum Electronics & Optoelectronics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/121602
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spelling irk-123456789-1216022017-06-15T03:04:19Z Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black Kuryptya, Ya.A. Savchenko, B.M. Kovalchuk, O.V. Kovalchuk, T.M. Shostak, T.S. By using the oscilloscope method within the frequency range 10 to 10⁶ Hz at the temperature 492.1 K and pressure 11.31 MPa at the output of the single-screw extruder, the dielectric properties of the composite melt – linear low-density polyethylene + 20 wt.% of graphite + 10 wt.% of carbon black – have been investigated. It has been shown that in the whole frequency range, near-electrode processes significantly effect on charge transfer. For the frequencies less than 100 Hz, in the near-electrode area the conductance is provided with hopping movement of electrons. For the frequencies over 100 Hz, charge transfer occurs through the ion movement. It has been shown that the transfer of ions in the near-electrode area can be described using the relaxation process that, unlike the vast majority of processes described in the publications, meets the wellknown relations only in terms of the complex conductivity. It has been shown that, in the terms of the complex conductivity, this relaxation process can be approximated with Debye equation, as well as it has been estimated the relaxation time (8.5 ms) for this process. According to the parameters included in the Debye equation, it has been estimated the thickness of the near-electrode area (17 μm) and shown that it practically coincides with the sizes of graphite particles. 2016 Article Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black / Ya.A. Kuryptya, B.M. Savchenko, O.V. Kovalchuk, T.M. Kovalchuk, T.S. Shostak // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2016. — Т. 19, № 3. — С. 290-294. — Бібліогр.: 20 назв. — англ. 1560-8034 DOI: 10.15407/spqeo19.03.290 PACS 77.22.Ch,Gm, 81.40.Tv http://dspace.nbuv.gov.ua/handle/123456789/121602 en Semiconductor Physics Quantum Electronics & Optoelectronics Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description By using the oscilloscope method within the frequency range 10 to 10⁶ Hz at the temperature 492.1 K and pressure 11.31 MPa at the output of the single-screw extruder, the dielectric properties of the composite melt – linear low-density polyethylene + 20 wt.% of graphite + 10 wt.% of carbon black – have been investigated. It has been shown that in the whole frequency range, near-electrode processes significantly effect on charge transfer. For the frequencies less than 100 Hz, in the near-electrode area the conductance is provided with hopping movement of electrons. For the frequencies over 100 Hz, charge transfer occurs through the ion movement. It has been shown that the transfer of ions in the near-electrode area can be described using the relaxation process that, unlike the vast majority of processes described in the publications, meets the wellknown relations only in terms of the complex conductivity. It has been shown that, in the terms of the complex conductivity, this relaxation process can be approximated with Debye equation, as well as it has been estimated the relaxation time (8.5 ms) for this process. According to the parameters included in the Debye equation, it has been estimated the thickness of the near-electrode area (17 μm) and shown that it practically coincides with the sizes of graphite particles.
format Article
author Kuryptya, Ya.A.
Savchenko, B.M.
Kovalchuk, O.V.
Kovalchuk, T.M.
Shostak, T.S.
spellingShingle Kuryptya, Ya.A.
Savchenko, B.M.
Kovalchuk, O.V.
Kovalchuk, T.M.
Shostak, T.S.
Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
Semiconductor Physics Quantum Electronics & Optoelectronics
author_facet Kuryptya, Ya.A.
Savchenko, B.M.
Kovalchuk, O.V.
Kovalchuk, T.M.
Shostak, T.S.
author_sort Kuryptya, Ya.A.
title Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
title_short Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
title_full Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
title_fullStr Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
title_full_unstemmed Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
title_sort peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black
publisher Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
publishDate 2016
url http://dspace.nbuv.gov.ua/handle/123456789/121602
citation_txt Peculiarities of near-electrode relaxation processes in the polyethylene melt filled with graphite and carbon black / Ya.A. Kuryptya, B.M. Savchenko, O.V. Kovalchuk, T.M. Kovalchuk, T.S. Shostak // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2016. — Т. 19, № 3. — С. 290-294. — Бібліогр.: 20 назв. — англ.
series Semiconductor Physics Quantum Electronics & Optoelectronics
work_keys_str_mv AT kuryptyayaa peculiaritiesofnearelectroderelaxationprocessesinthepolyethylenemeltfilledwithgraphiteandcarbonblack
AT savchenkobm peculiaritiesofnearelectroderelaxationprocessesinthepolyethylenemeltfilledwithgraphiteandcarbonblack
AT kovalchukov peculiaritiesofnearelectroderelaxationprocessesinthepolyethylenemeltfilledwithgraphiteandcarbonblack
AT kovalchuktm peculiaritiesofnearelectroderelaxationprocessesinthepolyethylenemeltfilledwithgraphiteandcarbonblack
AT shostakts peculiaritiesofnearelectroderelaxationprocessesinthepolyethylenemeltfilledwithgraphiteandcarbonblack
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last_indexed 2023-10-18T20:39:51Z
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