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Analysis of Slab and Slab Heater Cover in a Compact Endless Cast and Rolling Mill Process using Finite Element Methods SCIE SCOPUS KCI

Title
Analysis of Slab and Slab Heater Cover in a Compact Endless Cast and Rolling Mill Process using Finite Element Methods
Authors
BAEK, JONG WONJOO, WON OHChung,JSCho,YSPARK, SEONG JIN
Date Issued
2019-01
Publisher
KOREAN INST METALS MATERIALS, KIM BLDG 6TH FLOOR, SEOCHO-DAERO 56 GIL 38, SEOCHO-GU, SEOUL 137-881, SOUTH KOREA
Abstract
Compact Endless cast and rolling Mill (CEM) processes were developed and used to fabricate steel products such as steel slabs. However, the coiling furnace in this process was very expensive, so a new layout was suggested. As the coiling furnace was removed, the interval among the slab heaters had to be increased. This led to a temperature drop in the slab. The temperature distribution of the slab impacts quality, so new layout was developed. This paper presents a Finite Element Method (FEM) simulation of thermal behavior in the slab employing slab heater covers. All of the simulation results were verified by comparing them with experimental results. The slab moving distance at which the temperature was saturated during the process was determined to consider the steady-state and analyze the temperature distribution of the slab and slab heater. Those results revealed that the efficiency of heat conservation increased by more than 50% using the slab heater cover. Finally, a sensitivity analysis of the slab heater cover was conducted with respect to the cover design. The effects of insulator thickness, the gap distance between the slab and cover, and material parameters such as density, and specific heat were investigated to optimize the design of the slab heater cover to produce the best quality slab.
URI
https://oasis.postech.ac.kr/handle/2014.oak/95313
DOI
10.3365/KJMM.2019.57.1.43
ISSN
1738-8228
Article Type
Article
Citation
KOREAN JOURNAL OF METALS AND MATERIALS, vol. 57, no. 1, page. 43 - 50, 2019-01
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박성진PARK, SEONG JIN
Dept of Mechanical Enginrg
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