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Archives of Metallurgy and Materials

The Journal of Institute of Metallurgy and Materials Science and Commitee on Metallurgy of Polish Academy of Sciences

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Impact of electro slag remelting on 14 109 steel properties

A. Pribulová / P. Futáš / A. Kmita
  • Agh University of Science and Technology Academic Centre for Materials and Nanotechnology, Al. A. Mickiewicza 30, 30-059 Krakow, Poland
  • Other articles by this author:
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/ D. Márasová
  • Faculty of Mining, Ecology, Process Control and Geotechnology, Technical University in Košice, Slovakia
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  • De Gruyter OnlineGoogle Scholar
/ M. Holtzer
  • Agh University of Science and Technology, Faculty of Foundry Engineering, Al. A. Mickiewicza 30, 30-059 Krakow, Poland
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Published Online: 2017-04-06 | DOI: https://doi.org/10.1515/amm-2017-0025

Abstract

The Electro Slag Remelting (ESR) is one of the remelting processes in the field of metal refinery. In this process, the slag plays various roles, such as heat generation, protection of melt, and chemical refining. The main objective of the experiments described in this article was to identify the most appropriate slag composition for the electro slag remelting of the steel in order to achieve the chemical composition compliant with the standard applicable to the given steel, minimum sulphur content, minimum contents of oxide and sulphide inclusions, as well as mechanical properties corresponding to the standard applicable to the steel STN 14 109. Ten electrodes were remelted, whereas the remelting was carried out under 8 slags. The used slags containing 70% of CaF2 and 30% of Al2O3 with different addition of CaO, the slags consisted of the same components as previous slags, whereas the ratio of individual components was 1:1:1, and with SiO2 and MgO and slag without Al2O3. With regard to all the above mentioned facts, the slag types which may be regarded as the most appropriate for the STN 14 109 steel remelting are the basic slags containing 70% of CaF2 - 30% of Al2O3 with added 30 and 45 weight % of CaO.

Keywords: Electroslag remelting; slag; non-metallic inclusions; mechanical properties; chemical composition

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About the article

Published Online: 2017-04-06

Published in Print: 2017-03-01


Citation Information: Archives of Metallurgy and Materials, Volume 62, Issue 1, Pages 181–185, ISSN (Online) 2300-1909, DOI: https://doi.org/10.1515/amm-2017-0025.

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© Polish Academy of Sciences. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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