IMPACT OF OSCILLATION PARAMETERS ON SURFACE QUALITY OF CAST BILLETS

被引：10
|
作者：
Cibulka, J. [1 ]
Krzok, R. [1 ]
Hermann, R. [1 ]
Bocek, D. [1 ]
Cupek, J. [1 ]
Michalek, K. [2 ,3 ]
机构：
[1] Trinecke Zelezarny As, Prumyslova 1000, Trinec Stare Mesto, Czech Republic
[2] Vsb Tech Univ Ostrava, Fac Met & Mat Engn, Dept Met & Foundry, 17 Listopadu 15-2172, Ostrava, Czech Republic
[3] Reg Mat Sci & Technol Ctr, 17 Listopadu 15-2172, Ostrava, Czech Republic
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2016年 / 61卷 / 01期
关键词：
continuous casting of steel; mould oscillation; peritectic steel grades; billet surface quality;
D O I：
10.1515/amm-2016-0054
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The paper is focused on impact of different oscillation parameters on surface quality of peritectic steel grades cast into billets 150x150 mm. Hydraulic oscillation used for this purpose was temporarily installed on one strand of the billet caster. Hydraulic oscillation enables, in comparison to ordinary used electromechanical oscillation, flexible set-up of basic parameters of the oscillation cycle (negative strip time and its ratio). Proper oscillation mode is capable to assure regular oscillation marks development, good lubrication in the mould and adequate compression of the solidifying shell. Impact of an oscillation mode providing negative strip time 0.085 s and its ratio -50 % on surface quality of cast billets is compared with standard oscillation mode applied on strands equipped with electromechanical oscillation characterized with variable negative strip time between 0.084 and 0.096 s and fixed negative strip ratio to -14 %.
引用
收藏
页码：283 / 287
页数：5
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