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Prethodno priopćenje
Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel
J. Drápala
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
S. Brožová
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
I. Szurman
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
K. Konečná
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
G. Kostiuková
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
J. Vontorová
; VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Czech Republic
P. Jonšta
; Vitkovice Heavy Machinery, a.s., Ostrava – Vítkovice, Czech Republic
K. Sobotková
; Tescan Orsay Holding, a.s., Brno, Czech Republic
| Puni tekst: engleski, pdf (346 KB) | str. 757-760 | citiraj | |
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APA 6th Edition Drápala, J., Brožová, S., Szurman, I., Konečná, K., Kostiuková, G., Vontorová, J., ... Sobotková, K. (2016). Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel. Metalurgija, 55 (4), 757-760. Preuzeto s https://hrcak.srce.hr/157443 MLA 8th Edition Drápala, J., et al. "Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel." Metalurgija, vol. 55, br. 4, 2016, str. 757-760. https://hrcak.srce.hr/157443. Citirano 14.08.2020. Chicago 17th Edition Drápala, J., S. Brožová, I. Szurman, K. Konečná, G. Kostiuková, J. Vontorová, P. Jonšta i K. Sobotková. "Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel." Metalurgija 55, br. 4 (2016): 757-760. https://hrcak.srce.hr/157443 Harvard Drápala, J., et al. (2016). 'Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel', Metalurgija, 55(4), str. 757-760. Preuzeto s: https://hrcak.srce.hr/157443 (Datum pristupa: 14.08.2020.) Vancouver Drápala J, Brožová S, Szurman I, Konečná K, Kostiuková G, Vontorová J i sur. Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel. Metalurgija [Internet]. 2016 [pristupljeno 14.08.2020.];55(4):757-760. Dostupno na: https://hrcak.srce.hr/157443 IEEE J. Drápala, et al., "Influence of selected rare earth metals on structural characteristics of 42CrMo4 steel", Metalurgija, vol.55, br. 4, str. 757-760, 2016. [Online]. Dostupno na: https://hrcak.srce.hr/157443. [Citirano: 14.08.2020.] |
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Sažetak
The influence of rare earth metals (REM) addition on solidification structure of the low-carbon 42CrMo4 steel was investigated. Alloys were prepared by means of a centrifugal casting. The addition of cerium, praseodymium or mischmetal in the steel produced greatly improved solidification structure with a suppressed columnar grain zone, finer grain size in the equiaxed grain zone. The additions occurred in the steel bath in the form of REM oxide and/or oxide-sulphide inclusions and as dissolved REM segregated along with other elements at prior grain boundaries and interdendritic spaces. Microstructure (light microscope), SEM/EDX chemical microanalysis, and TOF-SIMS analysis – mapping of elements in the structure of alloys were obtained.
Ključne riječi
Low-carbon 42CrMo4 steel; rare earth metals; centrifugal casting; structure; inclusions
Hrčak ID: 157443
URI
https://hrcak.srce.hr/157443
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