The Influence of Mould Powder Properties on Shell Formation in Continuous Casting of Steels

被引：3
|
作者：
Dacker, C. -A. [1 ]
Sohlgren, T. [2 ]
机构：
[1] Swerea KIMAB A, Stockholm, Sweden
[2] SSAB EMEA, Oxelosund, Sweden
来源：
STEEL RESEARCH INTERNATIONAL | 2010年 / 81卷 / 10期
关键词：
Steelmaking; continuous casting; shell formation; mould powder;
D O I：
10.1002/srin.201000171
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
For peritectic steel grades the shell formation is uneven resulting in quality problems such as surface cracks. Production of these steels calls for good control and knowledge of the critical factors for shell formation. By optimisation of process parameters, it is possible to enable production of crack sensitive slabs for heavy plate. This also gives a unique possibility to study the interaction between process parameters and shell formation. The paper presents the results from two large investigations with this ambition covering the total of 27 + 30 heats of 220 tons of steel at SSAB EMEA-Oxelosund and concludes how surface cracks can be significantly decreased.
引用
收藏
页码：899 / 907
页数：9
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