Magnesium Non-metallic Inclusions in Non-oriented Electrical Steel Sheets

被引:5
|
作者
Petrovic, Darja Steiner [1 ]
Arh, Bostjan [1 ]
Tehovnik, Franc [1 ]
Pirnat, Miran [2 ]
机构
[1] Inst Met & Technol, Ljubljana 1000, Slovenia
[2] Acroni Doo, Jesenice 4270, Slovenia
关键词
magnesium; non-metallic inclusions; non-oriented electrical steel; DEOXIDIZED MOLTEN STEEL; MAGNETIC-PROPERTIES; IN-SITU; ALUMINOTHERMIC REDUCTION; SILICON STEELS; GRAIN-GROWTH; CORE LOSS; DEOXIDATION; MG; ALUMINUM;
D O I
暂无
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
During routine metallographic investigations of some fully processed, non-oriented, electrical steel sheets, the typical MnS inclusions were not observed in the microstructures. In the MS-type sulphides, the manganese was substituted by magnesium. A systematic ex-situ characterisation of the non-metallic, magnesium-containing inclusions was carried out and the origin of the inclusions was proposed. The inclusions' chemistry and morphology were investigated by light microscopy and field-emission scanning electron microscopy. The non-metallic, magnesium-containing inclusions were classified as complex sulphides, oxides and spinels. Magnesium was also detected as being co-precipitated with other non-metallic inclusions, like nitrides. The form of the co-precipitated magnesium inclusions was predetermined by the shape of the thermodynamically most stable inclusions.
引用
收藏
页码:2069 / 2075
页数:7
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