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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F09%3APU80291%21RIV10-MPO-26210___
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Reoxidation of steel is a term for summary designation of secondary and tertiary oxidation of steel occurring during keeping the metal in a ladle after tapping it from a furnace and during casting in a mould cavity. During reoxidation the oxygen concentration and its activity in a casting are growing. In case that oxygen activity exceeds the equilibrium activity of oxygen with carbon the casting part or the whole casting can be afflicted with gas cavities of carbon monoxide. With higher oxygen activity the formations of oxides of elements with lower deoxidation ability (Mn, Si) continues. Those oxides can form in castings the extensive slaggy formations in their volume or on the casting surface designated as secondary slag inclusions. Thus the steel reoxidation directly influences surface and internal quality of steel castings and consequently the manufacturing costs too. Reoxidation of steel is a term for summary designation of secondary and tertiary oxidation of steel occurring during keeping the metal in a ladle after tapping it from a furnace and during casting in a mould cavity. During reoxidation the oxygen concentration and its activity in a casting are growing. In case that oxygen activity exceeds the equilibrium activity of oxygen with carbon the casting part or the whole casting can be afflicted with gas cavities of carbon monoxide. With higher oxygen activity the formations of oxides of elements with lower deoxidation ability (Mn, Si) continues. Those oxides can form in castings the extensive slaggy formations in their volume or on the casting surface designated as secondary slag inclusions. Thus the steel reoxidation directly influences surface and internal quality of steel castings and consequently the manufacturing costs too. Reoxidation of steel is a term for summary designation of secondary and tertiary oxidation of steel occurring during keeping the metal in a ladle after tapping it from a furnace and during casting in a mould cavity. During reoxidation the oxygen concentration and its activity in a casting are growing. In case that oxygen activity exceeds the equilibrium activity of oxygen with carbon the casting part or the whole casting can be afflicted with gas cavities of carbon monoxide. With higher oxygen activity the formations of oxides of elements with lower deoxidation ability (Mn, Si) continues. Those oxides can form in castings the extensive slaggy formations in their volume or on the casting surface designated as secondary slag inclusions. Thus the steel reoxidation directly influences surface and internal quality of steel castings and consequently the manufacturing costs too.
dcterms:title
EXPERIMENTAL VERIFICATION OF A MODEL OF STEEL REOXIDATION Experimentální ověření modelu reoxidace Experimentální ověření modelu reoxidace
skos:prefLabel
Experimentální ověření modelu reoxidace Experimentální ověření modelu reoxidace EXPERIMENTAL VERIFICATION OF A MODEL OF STEEL REOXIDATION
skos:notation
RIV/00216305:26210/09:PU80291!RIV10-MPO-26210___
n4:aktivita
n16:P
n4:aktivity
P(FT-TA5/048)
n4:cisloPeriodika
2
n4:dodaniDat
n8:2010
n4:domaciTvurceVysledku
n7:8649928 n7:5027195 n7:2416719 n7:7909454 n7:6423647
n4:druhVysledku
n17:J
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
314308
n4:idVysledku
RIV/00216305:26210/09:PU80291
n4:jazykVysledku
n13:cze
n4:klicovaSlova
steel casting, secondary oxidation, oxygen activity
n4:klicoveSlovo
n5:steel%20casting n5:secondary%20oxidation n5:oxygen%20activity
n4:kodStatuVydavatele
CZ - Česká republika
n4:kontrolniKodProRIV
[6FC475554395]
n4:nazevZdroje
Transaction of the VŠB-Technical university of Ostrava, Mechanical series
n4:obor
n18:JG
n4:pocetDomacichTvurcuVysledku
5
n4:pocetTvurcuVysledku
5
n4:projekt
n9:FT-TA5%2F048
n4:rokUplatneniVysledku
n8:2009
n4:svazekPeriodika
52
n4:tvurceVysledku
Krutiš, Vladimír Šenberger, Jaroslav Záděra, Antonín Kováč, Marek Kolda, Vlastimil
s:issn
1210-0471
s:numberOfPages
8
n15:organizacniJednotka
26210