NUMERICAL ANALYSIS OF OPTIMUM SOFT REDUCTION AMOUNT FOR CONTINUOUS CASTING SLAB

被引：0

作者：

Liu, Ke ^{[1
]}

Zhang, Jiaquan ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China

来源：

METALURGIA INTERNATIONAL | 2012年 / 17卷 / 04期

关键词：

Continuous casting slab; Soft reduction; Volume shrinkage; Coupled FEM model;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Soft reduction has been proved to be the best way to minimize center segregation and eliminate center porosity. This article focuses on the investigation of optimum soft reduction parameters applied online, for the purpose to developing a reliable approach to determine proper soft reduction parameters basing variation steel grades and casting conditions. A thermal-mechanical coupled FEM model has been developed to predict proper soft reduction amount for continuous casting slab. For a given steel grade and section size, the soft reduction amounts, with different solid fraction in the center of slab cross-section, are suggested according to calculate results. It may lay the practical foundation for the soft reduction amount optimization of continuous casting process.

引用

页码：14 / 18

页数：5

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