About: PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Among important metal matrix composites are cemented carbides, predominantly tungsten carbide with cobalt binder. For high temperature applications, e.g., in nuclear or International thermonuclear reactor (i.e. nuclear fusion) technology, metals with a higher melting point, namely, tungsten, are preferred. Tungsten carbides with a decomposition temperature of 2785°C should also be replaced by, for example, ZrC. A mixture of W powder was prepared with 3 to 20 vol. % of ZrC. This feedstock having a spheroidal character was fed into the plasma of the water-stabilized plasma (WSP) gun by means of an inert gas carrier. Coatings with thickness of about 1 mm were sprayed on graphite substrates with cylindric shape. Pure tungsten and pure ZrC were sprayed under similar conditions as the cermet. Microhardness, surface roughness, XRD, XRF, dilatometry and Raman microspectroscopy were used for the coatings characterization. ZrC coatings are hard and their elastic modulus is high. Among important metal matrix composites are cemented carbides, predominantly tungsten carbide with cobalt binder. For high temperature applications, e.g., in nuclear or International thermonuclear reactor (i.e. nuclear fusion) technology, metals with a higher melting point, namely, tungsten, are preferred. Tungsten carbides with a decomposition temperature of 2785°C should also be replaced by, for example, ZrC. A mixture of W powder was prepared with 3 to 20 vol. % of ZrC. This feedstock having a spheroidal character was fed into the plasma of the water-stabilized plasma (WSP) gun by means of an inert gas carrier. Coatings with thickness of about 1 mm were sprayed on graphite substrates with cylindric shape. Pure tungsten and pure ZrC were sprayed under similar conditions as the cermet. Microhardness, surface roughness, XRD, XRF, dilatometry and Raman microspectroscopy were used for the coatings characterization. ZrC coatings are hard and their elastic modulus is high. (en)
Title	PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM (en)
skos:prefLabel	PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM (en)
skos:notation	RIV/61389021:_____/09:00335339!RIV10-AV0-61389021
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z20430508), Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Ctibor, Pavel Chráska, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	333609
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/09:00335339
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Plasma spraying; cermet coatings; microhardness; zirconium carbide; tungsten (en)
http://linked.open.../riv/klicoveSlovo	cermet coatings microhardness Plasma spraying tungsten zirconium carbide
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[44D806A7AB7F]
http://linked.open...i/riv/nazevZdroje	Acta Technica ČSAV
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Brožek, V. Ctibor, Pavel Chráska, Pavel Cheong, D.-I.
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	0001-7043
number of pages	13 (xsd:int)
is http://linked.open...avai/riv/vysledek of	PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM PLASMA SPRAYING OF REFRACTORY CERMETS BY THE WATER-STABILIZED SPRAY (WSP) SYSTEM

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