Surface magnetic domains dynamic in machined steel

This contribution deals with an observation of the magnetic dynamic of different types of the machined surface of bearing steel. The Bakhausen noise (BN) measurements are presented here as commonly introduced in industry for quality control due to the extremely sensitivity of the magnetic domains wa...

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Bibliographic Details
Published in:	EPJ Web of conferences Vol. 75; pp. 2003 - 1-02003-4
Main Authors:	Blazek, D, Neslusan, M, Hrabovsky, D
Format:	Journal Article
Language:	English
Published:	EDP Sciences 01-01-2014
Subjects:	Anisotropy Bearing steels Dynamics Magnetic anisotropy Magnetic domains Noise measurement Steels Walls
Online Access:	Get full text
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Summary:	This contribution deals with an observation of the magnetic dynamic of different types of the machined surface of bearing steel. The Bakhausen noise (BN) measurements are presented here as commonly introduced in industry for quality control due to the extremely sensitivity of the magnetic domains wall dynamics to the microstracture of material. The results of magneto-optical measurements are presented with the goal to explain the observed BN anisotropy. It is shown that BN anisotropy is associated with uniaxal magnetic anisotropy introduced by hard milling which causes the principally different magnetic reversals processes in orthogonal directions.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2100-014X 2100-014X
DOI:	10.1051/epjconf/20147502003