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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.springerlink.com/content/j07t3222hnv87882/fulltext.pdf
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 and 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, a 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 and 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, a 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:_____/12:00376631!RIV13-AV0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(FR-TI2/561), P(FR-TI2/702), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Matějíček, Jiří Ctibor, Pavel Hrabovský, Milan Kavka, Tetyana
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	170637
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/12:00376631
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	copper; tungsten; hybrid water-gas torch; plasma facing materials; plasma spraying; gas shroud (en)
http://linked.open.../riv/klicoveSlovo	copper gas shroud plasma facing materials plasma spraying tungsten hybrid water-gas torch
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[20FB7AB5C03B]
http://linked.open...i/riv/nazevZdroje	Journal of Thermal Spray Technology
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 Inovation of technology for thermal spraying of materials
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Ctibor, Pavel Hrabovský, Milan Matějíček, Jiří Kavka, Tetyana
http://linked.open...ain/vavai/riv/wos	000303472800039
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	1059-9630
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11666-011-9725-y

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