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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F05%3A00013175%21RIV06-GA0-27360___
rdf:type
n4:Vysledek skos:Concept
dcterms:description
Work was focused on steels with increased sulphur contents, the main characteristic feature of which is their improved machinability. Apart from sulphur the contents of other elements in low range was also important, particularly that of aluminium, calcium and oxygen. Main objective was observation of behaviour of oxidic, and possibly also sulphidic inclusions in liquid steel. Steel grades C35RKL and 30MNVS6 were chosen. At the first stage properties and production technologies of both grades were compared. At the second stage chemical compositions were compared and at the third stage micro-purity of steel was observed from the viewpoint of development of inclusions, with focus on number, area, size and type of inclusions in liquid steel beginning from argon-blowing unit, passing through ladle furnace and vacuum unit and ending up in tundish. Práce byla zaměřena na oceli se zvýšeným obsahem síry, jejichž hlavním charakteristickým rysem je zvýšená obrobitelnost. Krom síry, byly velmi důležité v nízkém rozmezí i obsahy dalších prvků, zejména hliníku, vápníku a kyslíku. Hlavním úkolem bylo sledovat chování oxidických, popřípadě, sulfidických vměstků v tekuté oceli. Byly vybrány oceli značek C35RKL a 30MNVS6. V první části byly uvedeny vlastnosti a technologie výroby obou značek. V druhé části byly srovnávány chemické analýzy a v třetí části byla sledována mikročistota oceli z hlediska vývoje vměstků zaměřená na počet, plochu, velikost a typ vměstků v tekuté oceli od argonovací stanice přes pánvovou pec, vakuové zařízení až po mezipánev. Work was focused on steels with increased sulphur contents, the main characteristic feature of which is their improved machinability. Apart from sulphur the contents of other elements in low range was also important, particularly that of aluminium, calcium and oxygen. Main objective was observation of behaviour of oxidic, and possibly also sulphidic inclusions in liquid steel. Steel grades C35RKL and 30MNVS6 were chosen. At the first stage properties and production technologies of both grades were compared. At the second stage chemical compositions were compared and at the third stage micro-purity of steel was observed from the viewpoint of development of inclusions, with focus on number, area, size and type of inclusions in liquid steel beginning from argon-blowing unit, passing through ladle furnace and vacuum unit and ending up in tundish.
dcterms:title
Modification of steel by calcium at continous casting of steel Modification of steel by calcium at continous casting of steel Modifikace oceli vápníkem při plynulém odlévání oceli
skos:prefLabel
Modification of steel by calcium at continous casting of steel Modification of steel by calcium at continous casting of steel Modifikace oceli vápníkem při plynulém odlévání oceli
skos:notation
RIV/61989100:27360/05:00013175!RIV06-GA0-27360___
n3:strany
14-15
n3:aktivita
n20:P
n3:aktivity
P(GA106/04/0029)
n3:dodaniDat
n6:2006
n3:domaciTvurceVysledku
n19:4457293
n3:druhVysledku
n9:D
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
530914
n3:idVysledku
RIV/61989100:27360/05:00013175
n3:jazykVysledku
n8:eng
n3:klicovaSlova
machinability; chemical composition; micro-purity; inclusions; argon-blowing unit; ladle furnace; vacuum unit; tundish; continous casting
n3:klicoveSlovo
n5:chemical%20composition n5:vacuum%20unit n5:machinability n5:tundish n5:inclusions n5:ladle%20furnace n5:continous%20casting n5:micro-purity n5:argon-blowing%20unit
n3:kontrolniKodProRIV
[DE8DB892474F]
n3:mistoKonaniAkce
Ostrava
n3:mistoVydani
Ostrava
n3:nazevZdroje
Den interních doktorandů 2005
n3:obor
n18:JG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n12:GA106%2F04%2F0029
n3:rokUplatneniVysledku
n6:2005
n3:tvurceVysledku
Adolf, Zdeněk Suchánek, Petr
n3:typAkce
n16:CST
n3:zahajeniAkce
2005-12-12+01:00
s:numberOfPages
2
n11:hasPublisher
Vysoká škola báňská - Technická univerzita Ostrava
n21:isbn
80-248-0978-8
n17:organizacniJednotka
27360