Nondestructive Rapid Investigation of Domains and Grain Boundaries of Grain Oriented Silicon Steel

Helmut Pfützner

doi:10.2355/isijinternational.29.828

ISIJ International

Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559

Nondestructive Rapid Investigation of Domains and Grain Boundaries of Grain Oriented Silicon Steel

Helmut Pfützner

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Keywords: grain oriented silicon steel, transformer sheet, magnetic domain, grain structure, magnetic analyses

JOURNAL FREE ACCESS

1989 Volume 29 Issue 10 Pages 828-835

DOI https://doi.org/10.2355/isijinternational.29.828

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Abstract

This paper reviews some new techniques for rapid analyses of domain and grain structures of grain oriented silicon steel. It is focussed on nondestructive techniques which can be applied on coated sheets. Closer discussions are given for colloid, SEM, and field scanning techniques as well as for a method which applies magnetotactic bacteria for the visualization of domains.

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