Structural Transformations Versus Hard Particles Motion in the Brass Ingots

• Autorzy: Wołczyński W. , Ivanova A. A. , Kwapisiński P. , Olejnik E.

Identyfikatory

DOI

10.1515/amm-2017-0362

• Języki publikacji: EN

Abstrakty

EN

A mathematical method for the forecast of the type of structure in the steel static ingot has been recently developed. Currently, the method has been applied to structural zones prediction in the brass ingots obtained by the continuous casting. Both the temperature field and thermal gradient field have been calculated in order to predict mathematically the existence of some structural zones in the solidifying brass ingot. Particularly, the velocity of the liquidus isotherm movement and thermal gradient behavior versus solidification time have been considered. The analysis of the mentioned velocity allows the conclusion that the brass ingots can evince: chilled columnar grains-, (CC), fine columnar grains-, (FC), columnar grains-, (C), equiaxed grains zone, (E), and even the single crystal, (SC), situated axially. The role of the mentioned morphologies is analyzed to decide whether the hard particles existing in the brass ingots can be swallowed or rejected by the solid / liquid (s/l) interface of a given type of the growing grains. It is suggested that the columnar grains push the hard particles to the end of a brass ingot during its continuous casting.

Słowa kluczowe

EN

continuously cast ingot; mathematical forecast of structural zones; hard particles in the brass

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 4
• Strony: 2461--2467
• Opis fizyczny: Bibliogr. 39 poz., rys., wykr., wzory

Twórcy

autor

Wołczyński W.

• Institute of Metallurgy and Materials Science, 25 Reymonta Str. 30-059 Kraków, Poland

autor

Ivanova A. A.

• Institute of Applied Mathematics and Mechanics, 74 Rosa Luxemburg Str., 83-114 Donetsk, Ukraine

autor

Kwapisiński P.

• KGHM - Polish Copper Company, 48 Skłodowskiej-Curie Str., 59-301 Lublin

autor

Olejnik E.

• AGH University of Science and Technology, 23 Reymonta Str., 30-059 Kraków, Poland

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Uwagi

EN

The support was provided by the National Center for Research and Development under Grant No. PBS3/A5/52/2015. The assistance of the steel plant “CELSA – Huta Ostrowiec” in Ostrowiec Świętokrzyski, and in particular, Mr. R. Martynowski, and Mr. S. Binek is greatly appreciated.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).