Secondary-cooling system with regulation over the slab width in OAO Uralmashzavod projects
Simulation of the thermal state of continuous-cast slabs permits comparative analysis of two cooling systems: the periphery-center system; and remote control of the pipe positions. These systems differ in the distribution of cooling over the ingot width. The results of numerical experiments are pres...
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Veröffentlicht in: | Steel in translation 2013-09, Vol.43 (9), p.583-586 |
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creator | Bulanov, L. V. Yurovskii, N. A. Busygin, V. V. Avdonin, V. Yu Gel’fenbein, E. V. Cheremisin, D. D. |
description | Simulation of the thermal state of continuous-cast slabs permits comparative analysis of two cooling systems: the periphery-center system; and remote control of the pipe positions. These systems differ in the distribution of cooling over the ingot width. The results of numerical experiments are presented. In the periphery-center system, which is in wide global use, the edges of the slab are overcooled in some cases. Accordingly, it is better to organize slab cooling by means of pipes distributed diagonally over the height with sprayers that ensure coverage of the edges. Quantitative characteristics are proposed for the effectiveness of cooling in terms of the formation of precipitates (nitrides and carbonitrides of aluminum and alloying elements) that might weaken the grain boundaries. |
doi_str_mv | 10.3103/S0967091213090039 |
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Accordingly, it is better to organize slab cooling by means of pipes distributed diagonally over the height with sprayers that ensure coverage of the edges. 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subjects | Aluminum base alloys Chemistry and Materials Science Materials Science |
title | Secondary-cooling system with regulation over the slab width in OAO Uralmashzavod projects |
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