2014
DOI: 10.1179/1743281214y.0000000247
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Reduction in macrosegregation on 380 mm×490 mm bloom caster equipped combination M+F-EMS by optimising casting speed

Abstract: Based on the plant trials and the developed coupled mathematical model of electromagnetism, turbulent fluid flow, heat and solute transport, the effect of F-EMS position on the degree of bloom macrosegregation cast with combination stirring (MzF-EMS) has been evaluated and compared for medium carbon steel, 40Cr, and high carbon steel, GCr15. The optimum F-EMS position is mainly related to the solidification characteristic of the molten steel in the liquid pool that depends on the average natural convection vel… Show more

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Cited by 34 publications
(19 citation statements)
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“…Medium carbon steel castings are widely used in mining machinery, and high hardness, high strength and certain toughness are generally required for these castings [1,2]. Therefore, various heat treatment methods, such as quenching, normalizing and annealing are applied to increase the mechanical properties of the castings [3].…”
Section: Introductionmentioning
confidence: 99%
“…Medium carbon steel castings are widely used in mining machinery, and high hardness, high strength and certain toughness are generally required for these castings [1,2]. Therefore, various heat treatment methods, such as quenching, normalizing and annealing are applied to increase the mechanical properties of the castings [3].…”
Section: Introductionmentioning
confidence: 99%
“…The application of external field nowadays is a commonly used method in DC casting to improve as-cast structure and reduce macrosegregation level (Zuo et al , 2005; Liu et al , 2020; Zhang et al , 2021), especially for magnetic field (MF). However, a majority of previous numerical works relating to the segregation under MF were focused on steel continuous casting or shape casting (Sun et al , 2015; Li et al , 2020; Wang et al , 2020), and little reported electromagnetic DC casting (Kumar and Dutta, 2005; Simlandi et al , 2013). Beyond that, there were also fewer researches associating with the solute segregation behavior in DC casting of rectangular slab (Pakanati et al , 2020; Gao et al , 2020), let along the corresponding researches under the action of MF.…”
Section: Introductionmentioning
confidence: 99%
“…Since the 70s of the 20th century, with the improvement of the quality requirements of the steel slabs of various countries, the center segregation of the slab has become the critical attention of all countries. Therefore, in order to solve the slab segregation problem, dynamic soft reduction technology is widely used in continuous casting production process [1][2][3]. At present, SMS Siemag, Siemens VAI and Danieli Davy, which have developed relatively mature dynamic soft reduction equipment and process technology and are successfully applied to the steel industry, Distington).…”
Section: Introductionmentioning
confidence: 99%