KINETICS AND CONTROL OF SCALING FOR REDUCED SURFACE DECARBURIZATION OF SPRING STEELS

被引：0
|
作者：
Anghelina, Dorel [1 ]
Kienreich, Robert [2 ]
Zamberger, Sabine [3 ]
Zamberger, Joerg [4 ]
Kozeschnik, Ernst [5 ]
Schneider, Reinhold
机构：
[1] Univ Leoben, Chair Met, Leoben, Austria
[2] Voestalpine Austria Draht, Donawitz, Austria
[3] Voestalpine Stahl, Donawitz, Austria
[4] Styria Federn Judenburg, Judenburg, Austria
[5] Vienna Univ Technol, Inst Mat Sci & Technol, Vienna, Austria
来源：
METALURGIA INTERNATIONAL | 2010年 / 15卷 / 05期
关键词：
surface decarburization; oxygen partial pressure; gas composition; scale layer thickness; scale phase change; CARBON;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Scale formation control is important in order to optimize the steel surface quality in a balance between metal yield losses and low decarburization depth. In this study, the case of billets reheating in CH(4)-based off-gas is considered, namely including a model for the oxygen partial pressure. The results from thermo-gravimetric experiments and metallographic studies are discussed, showing how the atmosphere, steel composition and the reheating pattern influence the amount, structure and composition of the oxide layer. Some possible ways of oxidation protection are also investigated.
引用
收藏
页码：5 / 8
页数：4
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