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- Title
Improved Processing Technique for Preparation of Non-Oriented Electrical Steels with Low Coercivity.
- Authors
PETRYSHYNETS, I.; KOVAC, F.; MARCIN, J.; ŠKORVANEK, I.
- Abstract
In order to improve soft magnetic properties of vacuum degassed NO steels, an adjusted temper rolling process for development of particular textures f100g < 0vw > was used. The main idea here relies on a deformation-induced grain growth, which promotes preferable formation of the grains with desired orientation. Two vacuum degassed NO steels were chosen as an experimental material. In both cases, a coarse or columnar grained microstructure, with pronounced intensity of cube and Goss texture components, was achieved during a continuous final annealing. The obtained microstructure leads to a significant decrease of coercivity, measured in DC magnetic field. The coercivity of steel with silicon content 2.4 wt.% decreased from 42 A/m to 17 A/m. Even more remarkable improvement of the soft magnetic properties was observed for the steel with Si 0.6 wt.%, where the coercivity value dropped from 68 A/m to 12.7 A/m.
- Subjects
MAGNETIC properties of electrical steel; COERCIVE fields (Electronics); MANUFACTURING processes; NITROGEN oxides; CRYSTAL growth; ANNEALING of metals; EXPERIMENTAL design
- Publication
Acta Physica Polonica: A, 2014, Vol 126, Issue 1, p182
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.126.182