Laboratory simulation of thin slab casting

Near net shape casting processes have been studied and applied by the steelmaking industry since the 1980s. Laboratory and numerical simulation have been used, along with pilot plants, to develop this new technology. The present paper describes equipment designed and built to simulate the conditions...

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Bibliographic Details
Published inIronmaking & steelmaking Vol. 30; no. 5; pp. 412 - 416
Main Authors Sobral, M. D. C., Mei, P. R., Santos, R. G., Gentile, F. C., Bellon, J. C.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.10.2003
SAGE Publications
Maney
Taylor & Francis Ltd
Subjects
Alloy solidification
Applied sciences
Casting
Continuous casting
Cooling
Copper
Deformation
Exact sciences and technology
Experiments
Gravity die casting and continuous casting
Iron and steel making
Laboratories
Manganese steel
Metals. Metallurgy
Microstructure
Production capacity
Production of metals
Scientific imaging
Simulation
Solidification
Steel
Steel alloys
Studies
Temperature
Thermocouples
Casting machine
Modulation
Continuous casting
Experimental study
Slab
Macrostructure
Molten steel
Solidification
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Summary:Near net shape casting processes have been studied and applied by the steelmaking industry since the 1980s. Laboratory and numerical simulation have been used, along with pilot plants, to develop this new technology. The present paper describes equipment designed and built to simulate the conditions of thin slab casting and experiments carried out using it. The influence of liquid core reduction, one of the parameters used to obtain improved microstructure of thin slabs, has been analysed. The instrumented simulator consists of a water cooled mould with a movable side wall driven by a hydraulic piston. Experiments have been conducted using V-Nb microalloyed steel, with and without liquid core reduction, to assess the influence of solidification parameters on microstructure formation. Specimens from as cast slabs have been examined after polishing and etching to characterise the microstructure. Both macro- and microstructures of slabs obtained under various solidification conditions are described. Finally, chemical composition analysis by X-ray fluorescence has been used to investigate manganese segregation.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0301-9233
1743-2812
DOI:10.1179/030192303225004079