Limit of Al content in Fe-Si electrical steels

Author

Boc, I. ; Cziraki, A. ; Csebi, J. ; Nemeth, S. ; Szentmiklosi, L.

Author_Institution

Csepel Metalworks, Budapest, Hungary

Volume

26

Issue

5

fYear

1990

fDate

9/1/1990 12:00:00 AM

Firstpage

2226

Lastpage

2228

Abstract

The precipitation structure of Fe-Si-Al strips containing different amounts of Al produced by different technologies was investigated by transmission scanning electron microscopy. It was found that the core loss is strongly correlated with the number of precipitates with 0.1-μm diameter. A comparison of the microstructure and the core-loss values of the samples clearly shows that these precipitates are the most harmful to these magnetic properties. The number and the size distribution of the precipitates can be controlled by the Al content of the material. The Al was effective up to 0.5 mass% content using the standard one-strand annealing technology

Keywords

aluminium alloys; iron alloys; magnetic properties of substances; silicon alloys; Al content; Fe-Si electrical steels; Fe-Si-Al strips; core loss; magnetic properties; microstructure; one-strand annealing; transmission scanning electron microscopy; Core loss; Magnetic cores; Magnetic materials; Magnetic properties; Microstructure; Scanning electron microscopy; Size control; Steel; Strips; Transmission electron microscopy;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.104679

Filename

104679