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Kontrola nekovinskih vključkov in livne sposobnosti pri obdelavi Al-pomirjenih jekel s kalcijem = Non-metalic inclusions control and castability assurance of Al-killed steel by Ca-treatmentKoroušić, Blaženko ...Streljanje CaSi-žice v talino ponovčne peči v cilju kontrole kemizma vključkov in zagotavljanja dobrega litja na konti napravi je danes standardna praksa. Znano je, da sta postopek litja in kvaliteta ... jekla v veliki meri odvisa od sestave in količine prisotnih vključkov v tekočem jeklu. Kontrola d dodatka kalcija (kg CaSi/t), ki ga streljamo v talino se najpogosteje povezuje s količino celotnega kisika v talini, ker v končni fazi to rezultira v tvorbi kalcijevih aluminatov. Da bi bili sposobni imeti kontrolo nad postopkom modifikacije vključkov je izrednega pomena kontrola kemične sestave žlindre ter drugih procesnih parametrov na ponovčni peči in konti napravi. V tem poročilu podajamo pregled nekaterih pomembnih področij, ki v največji meri vplivajo na kemijo vključkov z vključno analizo reakcij kalcija z oblogo ponovce in medponovce.Source: RMZ - Materials and geoenvironment : periodical for mining, metallurgy and geology = RMZ - Materiali in geookolje : revija za rudarstvo, metalurgijo in geologijo. - ISSN 1408-7073 (Let. 46, št. 4, nov. 1999, Str. 677-685)Type of material - article, component part ; adult, seriousPublish date - 1999Language - slovenianCOBISS.SI-ID - 154463
Author
Koroušić, Blaženko |
Arh, Boštjan |
Tehovnik, Franc |
Godicelj, Tomaž
Topics
vključki |
sestava |
kontrola |
vpihovanje CaSi |
litje |
zagotovitev |
izlivniki |
inclusion |
chemistry |
control |
CaSi-injection |
assurance |
castabillity |
nozzle |
clogging
source: RMZ - Materials and geoenvironment : periodical for mining, metallurgy and geology = RMZ - Materiali in geookolje : revija za rudarstvo, metalurgijo in geologijo. - ISSN 1408-7073 (Let. 46, št. 4, nov. 1999, Str. 677-685)
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Arh, Boštjan | 10762 |
Godicelj, Tomaž | 18786 |
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