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Compatibility of plasma sprayed tungsten based materials with graphite substrates
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SYSNO ASEP 0336046 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Compatibility of plasma sprayed tungsten based materials with graphite substrates Title Kompatibilita plazmově deponovaných materiálů na bázi wolframu s grafitem Author(s) Brožek, Vlastimil (UFP-V) RID
Ctibor, Pavel (UFP-V) RID, ORCID
Boldyryeva, Hanna (UFP-V)
Cheong, D.-I. (KR)
Yang, S.-H. (KR)Source Title Proceedings of the 19th Joint Seminar – Development of materials science in research and education, P21. - Bratislava : STU Bratislava, 2009 / Koman M. ; Mikloš D. - ISBN 978-80-89088-81-2 Pages s. 18-19 Number of pages 2 s. Action Joint Seminar – Development of materials science in research and education/19th./ Event date 31.08.2009 VEvent location Závažná Poruba Country SK - Slovakia Event type EUR Language eng - English Country SK - Slovakia Keywords Tungsten, zirconium carbide ; plasma spraying ; carbide interlayers ; compatibility Subject RIV BL - Plasma and Gas Discharge Physics CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation The experiments showed that powders of W and ZrC mixtures can be processed by plasma spraying with WSP® equipment and successfully transformed into coatings, namely on graphite substrates of various shapes. The products are slightly porous which is inherent for atmospheric plasma spray technique. Plasma spraying of a mixture of W and ZrC led to coatings with pores present predominantly inside larger particles of ZrC. This effect is probably due to incomplete melting of such particles. Due to extremely high temperatures it is necessary to have in mind the probability of creation of interlayers between substrate and coating as a consequence of chemical reactions. In our experiments these interlayers enhanced the compactness of the coating-substrate system. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2010
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