Chemical composition and morphology of oxidic ceramics at filtration of steel deoxidised by aluminium

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dc.contributor.authorBažan, Jiří
dc.contributor.authorStránský, Karel
dc.contributor.authorHoráková, Dana
dc.date.accessioned2009-09-25T06:48:17Z
dc.date.available2009-09-25T06:48:17Z
dc.date.issued2009
dc.description.abstractComposition and morphology of filter ceramics were investigated during filtration of steel deoxidised by aluminium. Filtration was realised with use of filters based on oxidic ceramics Cr2O3, TiO2, SiO2, ZrO2, Al2 O3, 3Al2O3·2SiO2 and MgO·Al2O3. It was established that change of interphase (coating) occurs during filtration of steel on the surface of capillaries of ceramics, where content of basic oxidic component decreases. Loss of oxidic component in the coating is replaced by increase of oxides of manganese and iron and it is great extent inversely proportional to the value of Gibbs’ energy of oxide, which forms this initial basis of ceramics.en
dc.description.abstract-enSastav i morfologija filterske keramike ispitivana je tokom filtriranja aluminijem deoksidiranog čelika. Filtriranje je provedeno filterima izradenim od oksidne keramike Cr2O3, TiO2, SiO2, ZrO2, Al2 O3, 3Al2O3·2SiO2 te MgO·Al2O3. Utvrdeno je kako tijekom filtriranja do promjene medufaze (stvaranja sloja) dolazi na kapilarnim površinama keramike, u kojima se udio temeljne oksidne komponente smanjuje. Taj gubitak nadomješten je manganskim i željeznim oksidom i uglavnom je obrnuto proporcionalan vrijednosti Gibbsove energije oksida, koji čini osnovu keramičke tvari.en
dc.format.extent1675946 bytescs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMetalurgija. 2009, g. 48, br. 4, s. 229-233.en
dc.identifier.issn0543-5846
dc.identifier.issn1334-2576
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.urihttp://hdl.handle.net/10084/76072
dc.identifier.wos000267255800004
dc.language.isoenen
dc.publisherHrvatsko Metalurško Društvoen
dc.relation.ispartofseriesMetalurgijaen
dc.relation.urihttp://hrcak.srce.hr/file/60779en
dc.rights.accessopenAccess
dc.subjectfiltration of steelen
dc.subjectceramic filtersen
dc.subjectinterphase reactionsen
dc.subjectthermodynamic stability of filteren
dc.subjectfiltriranje čelikaen
dc.subjectkeramički filterien
dc.subjectreakcije medufazeen
dc.subjecttermodinamička stabilnost filteraen
dc.titleChemical composition and morphology of oxidic ceramics at filtration of steel deoxidised by aluminiumen
dc.title.alternativeKemijski sastav i morfologija oksidne keramike tijekom filtriranja aluminijem deoksidiranog čelikaen
dc.typearticleen
dc.type.versionpublishedVersion

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