Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Factors Affecting the Formation of Shell and Longitudinal Cracks in Mold during High Speed Continuous Casting of Slabs
Hakaru NAKATOMichiharu OZAWAKatsuo KINOSHITAYasuhiro HABUToshihiko EMI
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JOURNALS FREE ACCESS

1981 Volume 67 Issue 8 Pages 1200-1209

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Abstract

Factors affecting the formation of the shell and longitudinal cracks on the shell have been investigated for high speed continuous casting of slabs.
Withdrawal speed of slab, melt stream velocity coming out of submerged nozzle, mold taper, and mold oscillation have shown respective influence on the formation and their effects have been analyzed quantitatively. Also, characteristics of the heat extraction from and resulting stress in the shell have been examined with respect to the crack formation.
These observations have resulted in countermeasures to enhance uniform shell formation in mold and prevent the cracks on the slabs.

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© The Iron and Steel Institute of Japan
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