About: Phase Formation Control in Plasma Sprayed Alumina

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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	Alumina is an inexpensive material often used as feedstock for plasma spraying. Hard corundum (α-Al2O3) is desirable in coatings, but other phases, unstable at elevated temperatures, also form as result of the complexity of the spraying processes. When chromia (Cr2O3) is added to Al2O3 a complex corundum type α-(Al,Cr)2O3 phase forms in the deposits. Two types of Al2O3/Cr2O3 powder feedstock with 2%, 8%, 33% and 50% Cr2O3 were sprayed: fused materials and mixtures of Al2O3 and Cr2O3 powders. Coatings were made by the water-stabilized plasma (WSP) system and by commercial atmospheric plasma spraying (APS) and compared by various characterization techniques, including X-ray diffraction, scanning elektron microscopy and microanalysis. Coatings made from fused feedstock by both spraying methods contain the corundum phase with its fraction increasing with increasing Cr2O3 content. In case of mixed feedstock the stabilization effect was observed for WSP spraying only. Alumina is an inexpensive material often used as feedstock for plasma spraying. Hard corundum (α-Al2O3) is desirable in coatings, but other phases, unstable at elevated temperatures, also form as result of the complexity of the spraying processes. When chromia (Cr2O3) is added to Al2O3 a complex corundum type α-(Al,Cr)2O3 phase forms in the deposits. Two types of Al2O3/Cr2O3 powder feedstock with 2%, 8%, 33% and 50% Cr2O3 were sprayed: fused materials and mixtures of Al2O3 and Cr2O3 powders. Coatings were made by the water-stabilized plasma (WSP) system and by commercial atmospheric plasma spraying (APS) and compared by various characterization techniques, including X-ray diffraction, scanning elektron microscopy and microanalysis. Coatings made from fused feedstock by both spraying methods contain the corundum phase with its fraction increasing with increasing Cr2O3 content. In case of mixed feedstock the stabilization effect was observed for WSP spraying only. (en)
Title	Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings (en)
skos:prefLabel	Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings (en)
skos:notation	RIV/61389021:_____/11:00367138!RIV12-AV0-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/08/1240), Z(AV0Z20430508)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Kolman, Blahoslav Jan Dubský, Jiří 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	220160
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/11:00367138
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Alumina; Chromia; Plasma spraying; Phase stabilization (en)
http://linked.open.../riv/klicoveSlovo	Alumina Plasma spraying Chromia Phase stabilization
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D777CBFF5E1C]
http://linked.open...i/riv/nazevZdroje	Ceramics - Silikáty
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	3 (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	2011
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Berger, L.-M. Kolman, Blahoslav Jan Chráska, Pavel Dubský, Jiří Stahr, C. Ch.
http://linked.open...ain/vavai/riv/wos	000297615100015
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications
issn	0862-5468
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings Phase Formation Control in Plasma Sprayed Alumina–Chromia Coatings

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