About: Composition changes of cast iron particles due to reactions in a plasma stream

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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	During atmospheric plasma spraying, considerable changes of alloy powder particles often occur. Besides spheroidization, this refers particularly to alloy composition. The present paper describes the results of a study of decarburization and oxidation of cast iron powder at the in-flight period of spraying by a water-stabilized plasma torch. Both reactions were affected significantly by particle size and feed rate. The reactions are a consequence of oxygen entrainment from the ambient atmosphere. In some cases, extreme decarburization was observed. Average surface temperature and average particle velocity were measured in selected spraying runs along the main part of the particle path in the plasma stream. Information on structure of sprayed cast iron powder as compared with feedstock powder was obtained by Mössbauer spectroscopy. To maintain the cast iron properties, as large particle size and high feed rate as possible are necessary. Based on experimental results During atmospheric plasma spraying, considerable changes of alloy powder particles often occur. Besides spheroidization, this refers particularly to alloy composition. The present paper describes the results of a study of decarburization and oxidation of cast iron powder at the in-flight period of spraying by a water-stabilized plasma torch. Both reactions were affected significantly by particle size and feed rate. The reactions are a consequence of oxygen entrainment from the ambient atmosphere. In some cases, extreme decarburization was observed. Average surface temperature and average particle velocity were measured in selected spraying runs along the main part of the particle path in the plasma stream. Information on structure of sprayed cast iron powder as compared with feedstock powder was obtained by Mössbauer spectroscopy. To maintain the cast iron properties, as large particle size and high feed rate as possible are necessary. Based on experimental results (en)
Title	Composition changes of cast iron particles due to reactions in a plasma stream Composition changes of cast iron particles due to reactions in a plasma stream (en)
skos:prefLabel	Composition changes of cast iron particles due to reactions in a plasma stream Composition changes of cast iron particles due to reactions in a plasma stream (en)
skos:notation	RIV/61389021:_____/10:00352819!RIV11-GA0-61389021
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/08/1240), Z(AV0Z20410507), Z(AV0Z20430508)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kolman, Blahoslav Jan Chráska, Pavel Chráska, Tomáš Voleník, Karel
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	251666
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/10:00352819
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cast Iron; Plasma Spraying; Decarburization; Oxidation (en)
http://linked.open.../riv/klicoveSlovo	Oxidation Cast Iron Decarburization Plasma Spraying
http://linked.open...ontrolniKodProRIV	[DAEC111B5DE5]
http://linked.open...v/mistoKonaniAkce	Florencie
http://linked.open...i/riv/mistoVydani	Shrewsbury
http://linked.open...i/riv/nazevZdroje	World PM2010 Proceedings: Powder Manufacturing and Processing; Miniaturization and Nanotechnology; Powder Pressing
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Physical properties of plasma sprayed refractory materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Chráska, Tomáš Kolman, Blahoslav Jan Schneeweiss, Oldřich Chráska, Pavel Voleník, Karel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-10-10 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Physical and chemical processes in plasmas and theis applications
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	European Powder Metallurgy Association
https://schema.org/isbn	1899072101

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