2015
DOI: 10.1515/afe-2015-0085
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Numerical Model for Solidification Zones Selection in the Large Ingots

Abstract: A vertical cut at the mid-depth of the 15-ton forging steel ingot has been performed by curtesy of the CELSA - Huta Ostrowiec plant. Some metallographic studies were able to reveal not only the chilled undersized grains under the ingot surface but columnar grains and large equiaxed grains as well. Additionally, the structural zone within which the competition between columnar and equiaxed structure formation was confirmed by metallography study, was also revealed. Therefore, it seemed justified to reproduce so… Show more

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Cited by 6 publications
(4 citation statements)
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“…1a, while equiaxed structure growth yields from the unconstrained solidification, Fig. 1b, [3]. The thermal gradient is positive at the s/l interface of the columnar structure, locally, and equals the total thermal gradient, Fig.…”
Section: Introductionmentioning
confidence: 89%
“…1a, while equiaxed structure growth yields from the unconstrained solidification, Fig. 1b, [3]. The thermal gradient is positive at the s/l interface of the columnar structure, locally, and equals the total thermal gradient, Fig.…”
Section: Introductionmentioning
confidence: 89%
“…Yet as regards steel, non-metallic inclusions have mostly a negative effect which is dependent on their content, size, shape and distribution [1][2][3]. The mechanical properties and fatigue strength of structural materials should also be evaluated in view of crystallization conditions [4][5][6][7][8][9], manufacturing process [10][11][12], microstructure [13,14], microsegregation [15][16][17][18][19] and the existing defects [20][21][22].…”
Section: Introductionmentioning
confidence: 99%
“…It should also be noted that many studies take the subject brass strictly defined composition, but they do not indicate how to obtain the final material, especially copper alloys -brasses [5][6][7]. Especially when raw materials for its production are of quite different composition [8][9][10][11][12]. It should also be noted that a well-designed algorithm of the metal charge for brasses creates the possibility of writing a computer program, like the application to calculate the viscosity using the Iida models from the program Slag.…”
Section: Introductionmentioning
confidence: 99%