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Modeling Macrosegregation during Direct-Chill Casting of Multicomponent Aluminum Alloys

✍ Scribed by Q. Du; D.G. Eskin; L. Katgerman

Book ID
107441274
Publisher
The Minerals, Metals & Materials Society
Year
2007
Tongue
English
Weight
608 KB
Volume
38
Category
Article
ISSN
1073-5623

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πŸ“œ SIMILAR VOLUMES

Effect of different grain structures on
Effect of different grain structures on centerline macrosegregation during direct-chill casting
✍ D.G. Eskin; R. Nadella; L. Katgerman πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 744 KB

Duplex grain structure consisting of coarse-cell and fine-cell dendritic grains is frequently found in the central portion of direct-chill cast billets and ingots. Coarse-cell grains are usually considered as free-floating crystals settled to the bottom of the billet sump. These grains are assumed t

Influence of Transport Mechanisms on Mac
Influence of Transport Mechanisms on Macrosegregation Formation in Direct Chill Cast Industrial Scale Aluminum Alloy Ingots
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## Abstract The phenomena responsible for the formation of macrosegregations and grain structures during solidification are closely related. We present a model study of macrosegregation formation in an industrial sized (350 mm thick) direct chill (DC) cast aluminum alloy slab. The modeling of these

Modeling of macrosegregation and micropo
Modeling of macrosegregation and microporosity formation during transient directional solidification of aluminum alloys
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In this article macrosegregation and porosity formation are investigated by a numerical modeling technique and by upward vertical unidirectional solidification experiments. The local composition predicted by the macrosegregation model along the casting is used as an input parameter for simulation of

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A method to simulate temperature and stress fields in solidifying cylindrical ingots during the vertical semicontinuous direct chill casting process is presented in this paper. As the first approximation of the whole process, a steady state in the casting ingot with enough length is examined, and th