About: Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding

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About: Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A hybrid DC arc plasma torch, combining water and gas stabilization, offers a high flexibility in plasma characteristics. These can be controlled in a wide range by the torch operational parameters, such as arc current and secondary gas flow rate. In this study, their influence on plasma spraying of tungsten and copper was investigated. To suppress the in-flight oxidation of the metals, inert gas shrouding was applied. In-flight particle diagnostics, analysis of free-flight particles and coatings was performed for spraying experiments in the open atmosphere and with argon shrouding. Both in-flight particle behavior and coating properties were found to be sensitive to the torch parameters. The application of shrouding was found to affect particle in-flight parameters, reduce the oxide content in the coatings and generally improve their properties, such as thermal conductivity. However, different degree of these effects was observed for copper and tungsten. A hybrid DC arc plasma torch, combining water and gas stabilization, offers a high flexibility in plasma characteristics. These can be controlled in a wide range by the torch operational parameters, such as arc current and secondary gas flow rate. In this study, their influence on plasma spraying of tungsten and copper was investigated. To suppress the in-flight oxidation of the metals, inert gas shrouding was applied. In-flight particle diagnostics, analysis of free-flight particles and coatings was performed for spraying experiments in the open atmosphere and with argon shrouding. Both in-flight particle behavior and coating properties were found to be sensitive to the torch parameters. The application of shrouding was found to affect particle in-flight parameters, reduce the oxide content in the coatings and generally improve their properties, such as thermal conductivity. However, different degree of these effects was observed for copper and tungsten. (en)
Title	Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding (en)
skos:prefLabel	Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding Spraying of metallic powders by hybrid gas/water torch and the effects of inert gas shrouding (en)
skos:notation	RIV/61389021:_____/11:00370373!RIV12-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(FR-TI2/702), P(GAP205/11/2070), Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Matějíček, Jiří Ctibor, Pavel Hrabovský, Milan Kavka, Tetyana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	231674
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/11:00370373
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Hybrid argon-water plasma torch; plasma spraying; shrouding (en)
http://linked.open.../riv/klicoveSlovo	Hybrid argon-water plasma torch shrouding plasma spraying
http://linked.open...ontrolniKodProRIV	[16BA3BB77D7A]
http://linked.open...v/mistoKonaniAkce	Hamburg
http://linked.open...i/riv/mistoVydani	Düsseldorf
http://linked.open...i/riv/nazevZdroje	DVS Berichte, vol. 276( Proceedings of the International thermal spray conference 2011)
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	*Development of stabilized plasma (WSP) torch based technology Interaction of steam plasma jet with solids, liquids and gases in low pressure and gasification reactors
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Ctibor, Pavel Hrabovský, Milan Matějíček, Jiří Kavka, Tetyana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-09-27 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	DVS Media GmbH
https://schema.org/isbn	978-3-87155-268-7

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