Mold behavior and its influence on quality in the continuous casting of steel slabs: Part i. Industrial trials, mold temperature measurements, and mathematical modeling

Mahapatra, R.; Brimacombe, J. K.; Samarasekera, I. V.; Walker, Nicholas R.; Paterson, E. A.; Young, Jang Dong

doi:10.1007/bf02651163

Cited by 68 publications

(46 citation statements)

References 3 publications

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“…Such models found further application in trouble shooting the location down the caster of hot tear cracks initiating near the solidification front [20] , and in the optimization of cooling practice below the mold to avoid subsurface longitudinal cracks due to surface reheating [21] .…”

Section: Previous Workmentioning

confidence: 99%

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Heat-transfer and solidification model of continuous slab casting: CON1D

Meng

Thomas

2003

Metall Mater Trans B

390

289

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Section: Previous Workmentioning

confidence: 99%

“…These models have been crucial in determining the axial heat flux profile based on measured temperatures in the mold walls [20,32,33] . This procedure is sometimes automated with inverse heat conduction models [20] .…”

Section: Previous Workmentioning

confidence: 99%

Heat-transfer and solidification model of continuous slab casting: CON1D

Meng

Thomas

2003

Metall Mater Trans B

390

289

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“…Many research studies have been carried out to investigate the solidification of steel in the mold by using mold heat transfer measurements, [1][2][3][4][5][6][7][8][9][10][11] as heat transfer rate in the mold casting strongly influences the surface quality of final slabs. The mold heat transfer rate is regulated by those factors that determine the thickness of the gap, as well as the properties of the flux infiltrating between the solid shell and the mold wall.…”

Section: Introductionmentioning

confidence: 99%

The Observation of Mold Flux Crystallization on Radiative Heat Transfer

Wang

Cramb

2005

ISIJ Int.

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As an important factor in the moderation of heat transfer in continuous casting mold, mold flux has been researched widely. However, the study of the effect of solid mold flux on radiative heat transfer has not been conducted widely. By using an infrared radiation emitter, which was developed at Carnegie Mellon University, a radiative heat flux was applied to a copper mold to simulate the heat transfer phenomena in continuous casting. The effect of adding a thin slag disc on top of copper mold on radiative heat transfer has been analyzed. It was found that the presence of mold flux enhanced radiative heat transfer rate. The effect of full crystallization of a slag disc was to reduce the heat transfer rate by 20 % compared with a completely glassy sample. The specific effect of full crystalline and glassy parts of the mold flux on radiative heat transfer, and the influence of their properties on heat transfer rate was discussed in this paper.

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“…Properties of copper depending on temperature. Heat transfer from the billet to the mould is really complex and include a range of different heat transfer operations, thus it is difficult to examine each occasion separately [16]. Heat flux removal from the mould is controlled by convection equation.…”

Section: Boundary Conditionsmentioning

confidence: 99%

Effect of Cooling Intensity and Position on Solidification in Semi-Continuous Casting of Copper

Hameed¹,

Mohammed²,

Fadhil³

2016

OJFD

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Cooling heat flux effect in both primary and secondary cooling zone has been studied in semi-continuous casting of copper billet. Sufficient cooling is essential to reduce casting defects and to get high productivity, however low rate of solidification is aimed in order to get coarser grain size and softer metal for less losses in extrusion. A three-dimensional numerical model has been developed including solidification behavior of copper through mushy zone. At steady state and constant casting speed, solid shell thickness is monitored during the reduction of cooling rate at mould region to avoid breaking out. Heat flux intensity at mould plays important role not only in the formation of solid shell thickness. But, pool length and mushy zone thickness can be significantly increased by decreasing primary cooling intensity. Increase intensity of secondary cooling zone for two particular cases of primary cooling is tested. First case is tested at mould inlet water temperature of 38˚C, and second case at water temperature of 63˚C. Results showed that the combination of increasing secondary cooling intensity and reduction of primary cooling intensity can increase pool length and mushy zone thickness. Also, it is shown that, secondary cooling intensity can be magnified by up to 1.5 times for cooling water temperature of 63˚C to get pool length close to that of water temperature of 38˚C.

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Mold behavior and its influence on quality in the continuous casting of steel slabs: Part i. Industrial trials, mold temperature measurements, and mathematical modeling

Cited by 68 publications

References 3 publications

Heat-transfer and solidification model of continuous slab casting: CON1D

Heat-transfer and solidification model of continuous slab casting: CON1D

The Observation of Mold Flux Crystallization on Radiative Heat Transfer

Effect of Cooling Intensity and Position on Solidification in Semi-Continuous Casting of Copper

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