Investigation of tungsten surface changes after interaction with dense plasma streams compared with the results given by a simple 1D model

Franciszek Dąbrowski , Łukasz Ciupiński , Monika Kubkowska , Pełka Grzegorz , Adamiec Joanna , Kowalska-strzęciwilk Ewa , Stępniewski Włodzimierz , Paduch Marian , Zielińska Ewa

Abstract

In this work, plasma–target interactions on tungsten samples, carried out in a Mather-type plasma focus PF-1000 device, were investigated. The experimental results have been compared to 1D model computer simulations. Samples were studied by means of scanning electron microscopy, focused ion beam microscopy and precise measurements of weight loss. Additionally, simulations based on the numerical solution of a 1D heat conductivity equation were carried out. The samples exhibited relatively high resistance to the generated plasma streams. The practical work indicated a loss of about 1.54 mg per plasma focus discharge. The computer model calculations gave a weight loss one magnitude greater. An attempt to explain this discrepancy is given in the paper.
Author Franciszek Dąbrowski (FMSE / DMD)
Franciszek Dąbrowski,,
- Division of Materials Design
, Łukasz Ciupiński (FMSE)
Łukasz Ciupiński,,
- Faculty of Materials Science and Engineering
, Monika Kubkowska - Institute of Plasma Physics and Laser Microfusion (IFPiLM) [Instytut Problemow Jadrowyc]
Monika Kubkowska,,
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, Pełka Grzegorz - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Pełka Grzegorz,,
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, Adamiec Joanna - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Adamiec Joanna,,
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, Kowalska-strzęciwilk Ewa - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Kowalska-strzęciwilk Ewa,,
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, Stępniewski Włodzimierz - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Stępniewski Włodzimierz,,
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, Paduch Marian - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Paduch Marian,,
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, Zielińska Ewa - Institute of Plasma Physics and Laser Microfusion (IFPiLM)
Zielińska Ewa,,
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Journal seriesInternational Journal of Materials Research, ISSN 1862-5282, (A 30 pkt)
Issue year2016
Vol107
No8
Pages729-734
Publication size in sheets0.5
Keywords in EnglishPlasma focus, Wolfram, Oddziaływanie plasma-target Plasma focus, Tungsten, Plasma – target interactions
ASJC Classification2505 Materials Chemistry; 2506 Metals and Alloys; 1606 Physical and Theoretical Chemistry; 3104 Condensed Matter Physics
DOIDOI:10.3139/146.111394
URL http://www.hanser-elibrary.com/doi/10.3139/146.111394
Languageen angielski
File
_MK111394.pdf 2.17 MB
Score (nominal)30
Score sourcejournalList
ScoreMinisterial score = 20.0, 07-11-2019, ArticleFromJournal
Ministerial score (2013-2016) = 30.0, 07-11-2019, ArticleFromJournal
Publication indicators Scopus Citations = 0; WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.527; WoS Impact Factor: 2016 = 0.681 (2) - 2016=0.687 (5)
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