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Behavior and microstructural changes in different tungsten-based materials under pulsed plasma loading
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SYSNO ASEP 0468206 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Behavior and microstructural changes in different tungsten-based materials under pulsed plasma loading Author(s) Vilémová, Monika (UFP-V) RID, ORCID
Pala, Zdeněk (UFP-V) RID
Jäger, Aleš (FZU-D) RID, ORCID
Matějíček, Jiří (UFP-V) RID, ORCID
Chernyshova, M. (PL)
Kowalska-Strzeciwilk, E. (PL)
Gribkov, V. A. (PL)
Janata, Marek (UFP-V)Source Title Nuclear Materials and Energy. - : Elsevier
Roč. 9, December (2016), s. 123-127Number of pages 5 s. Publication form Print - P Action International Conference of Fusion Reactor Material (ICFRM-17) /17./ Event date 11.10.2015 - 16.10.2015 VEvent location Aachen Country DE - Germany Event type WRD Language eng - English Country NL - Netherlands Keywords ODS tungsten ; yttrium oxide ; porosity ; phase stability ; monoclinic phase ; plasma focus ; damage ; erosion Subject RIV JJ - Other Materials Subject RIV - cooperation Institute of Physics - Other Materials R&D Projects GA14-12837S GA ČR - Czech Science Foundation (CSF) Institutional support UFP-V - RVO:61389021 ; FZU-D - RVO:68378271 UT WOS 000391191500020 EID SCOPUS 85006802843 DOI 10.1016/j.nme.2016.06.004 Annotation In this study, morphological, microstructural and phase changes of four types of tungsten materials after exposure to dense deuterium plasma were examined. The microstructures of the prepared materials mutually differ by the porosity, grain size and phase content. It was found that inherent porosity of sintered materials leads to a specific mechanism of erosion and might be a significant source of dust in the case of materials with higher porosity. Further, a preferential erosion of the dispersed particles by melting and evaporation and subsequent formation of thin film on the surface of W-Y2O3 was described as well. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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