Mold transient heat transfer behavior based on measurement and inverse analysis of slab continuous casting

2012 ◽  
Vol 212 (9) ◽  
pp. 1811-1818 ◽  
Author(s):  
Xudong Wang ◽  
Ling Tang ◽  
Xinyang Zang ◽  
Man Yao
2013 ◽  
Vol 44 (6) ◽  
pp. 1466-1477 ◽  
Author(s):  
Wei Yan ◽  
Weiqing Chen ◽  
Carsten Lippold ◽  
Hongcheng Xu

2021 ◽  
Vol 40 (1) ◽  
pp. 370-381
Author(s):  
Luping Zhang ◽  
Pengcheng Xiao ◽  
Zengxun Liu ◽  
Jingyi Zhou ◽  
Liguang Zhu

Abstract The growth rate of the shell thickness in the funnel mold for ultrahigh-speed continuous casting of steel has a significant effect on the shell surface quality. By using the node temperature inheritance algorithm, a three-dimensional transient thermal conductivity model of the liquid steel solidification inside the mold was established, and the effects of casting temperature and speed on the heat transfer behavior of the thin slab were investigated. The results show that with an increase in the casting speed from 4.0 to 6.0 m·min−1, the maximum thickness of the shell at mold exit was reduced from 26 to 12.8 mm, and the maximum temperature of the slab surface at mold exit increased from 1,210 to 1,305°C. However, the increase of casting temperature from 1,550 to 1,560°C had little effect on the surface temperature and thickness of the slab shell.


2015 ◽  
Vol 1088 ◽  
pp. 153-158 ◽  
Author(s):  
An Gui Hou ◽  
Yi Min ◽  
Cheng Jun Liu ◽  
Mao Fa Jiang

A heat transfer and solidification model of slab continuous casting process was developed, and the nail-shooting experiments were carried out to verify and improve the prediction accuracy. The comparison between the simulation and the measurements results showed that, there exists difference between the model predicted liquid core length and the calculated liquid core length according to the measurement results of the solidification shell thickness. In the present study, the value of constant a in the heat transfer coefficient calculation formula was corrected through back-calculation, results showed that, the suitable value of a is 31.650, 33.468 and 35.126 when the casting speed is 0.8m·min-1, 0.9m·min-1 and 1.0m·min-1 respectively, which can meet the liquid core length of the measurement results. The developed model built a foundation for the application of dynamic secondary cooling, and dynamic soft reduction.


2014 ◽  
Vol 2 ◽  
pp. 67-74 ◽  
Author(s):  
Nopparat Katkhaw ◽  
Nat Vorayos ◽  
Tanongkiat Kiatsiriroat ◽  
Yottana Khunatorn ◽  
Damorn Bunturat ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document