基于二冷区传热的基本原理和异型坯凝固传热特点,建立了异型坯凝固传热模型;通过现场测试铸坯表面温度和坯壳厚度对数学模型进行修正,得到了异型坯连铸过程中表面温度随时间变化的规律;同时,对原有二冷制度进行了评估,提出了合理的二冷改进措施.通过二冷工艺的优化,提高了二次冷却的均匀性,铸坯表面和内部质量大幅度提高.
参考文献
| [1] | Lee Jung-Eui;Yeo Tae-Jung;Oh Kyu Hwan et al.Prediction of Cracks in Continuously Cast Steel Beam Blank Through Fully Coupled Analysis of Fluid Flow,Heat Transfer,and Deformation Behavior of a Solidifying Shell[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2000,31A:225. |
| [2] | Joseph T. Dzierzawski .Continuous casting of beam blanks[J].Iron & Steel Review,1999(9):36-41. |
| [3] | K.Kim H.N.Han .Analysis of surface and internal cracks in continuously cast beam blank[J].Ironmaking & Steelmaking: Products and applications,1997(3):249-255. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%