Publication detail
Checking the metallurgy with the aid of inclusion analysis
ŠENBERGER, J. ZÁDĚRA, A. ČECH, J.
Czech title
Kontrola metalurgie pomocí analýzy vměstků
English title
Checking the metallurgy with the aid of inclusion analysis
Type
journal article - other
Language
en
Original abstract
Results of studying the influence of inclusion morphology on properties of heavy casting are given. The inclusion morphology is dependent on content and kind of the deoxidizing element. Due to segregations the inclusions can be formed in heavy castings under different conditions (by concentration of deoxidizing elements) than in castings of common size. In heavy casting during deoxidation the inclusions of the IVth type occur more frequently. Deoxidation with zirconium shows to be for some heavy casting unsuitable one. Similarly in castings deoxidized with cerium and lanthanum the inclusions of greater sizes occur that can unfavourably influence the steel properties and increase the tendency to crack formation. The inclusion morphology after deoxidation with magnesium is also unsuitable for heavy castings.
Czech abstract
Výsledky sledování vlivu morfologie vměstků na vlastnosti masivních odlitků. Morfologie vměstků je závislá na obsahu a druhu dezoxidačního prvku. V důsledku segregací mohou v masivních odlitcích vznikat vměstky za jiných podmínek (koncentrací dezoxidačních prvků) než v odlitcích běžné velikosti. Při dezoxidaci se v masivních odlitcích častěji vyskytují vměstky IV. typu. Dezoxidace zirkoniem se ukazuje pro některé masivní odlitky nevhodná. Podobě u odlitků dezoxidovaných cerem a lantanem se vyskytují vměstky větších rozměrů, které mohou nepříznivě ovlivnit vlastnosti oceli a zvýšit sklon ke vzniku trhlin. Rovněž morfologie vměsků po dezoxidaci hořčíkem je nevhodná pro masivní odlitky.
English abstract
Results of studying the influence of inclusion morphology on properties of heavy casting are given. The inclusion morphology is dependent on content and kind of the deoxidizing element. Due to segregations the inclusions can be formed in heavy castings under different conditions (by concentration of deoxidizing elements) than in castings of common size. In heavy casting during deoxidation the inclusions of the IVth type occur more frequently. Deoxidation with zirconium shows to be for some heavy casting unsuitable one. Similarly in castings deoxidized with cerium and lanthanum the inclusions of greater sizes occur that can unfavourably influence the steel properties and increase the tendency to crack formation. The inclusion morphology after deoxidation with magnesium is also unsuitable for heavy castings.
Keywords in Czech
Dezoxidace, masivní odlitky, morfologie vměstků
Keywords in English
Deoxidation, heavy castings, morphology of inclusions
RIV year
2011
Released
11.03.2011
ISSN
1897-3310
Volume
11
Number
1
Pages from–to
118–122
Pages count
5
BIBTEX
@article{BUT50795,
author="Jaroslav {Šenberger} and Antonín {Záděra} and Jan {Čech},
title="Checking the metallurgy with the aid of inclusion analysis",
year="2011",
volume="11",
number="1",
month="March",
pages="118--122",
issn="1897-3310"
}