NDLI: Localized investigation of magnetic bulk property deterioration of electrical steel: Analysing magnetic property drop thorough mechanical and laser cutting of electrical steel laminations using neutron grating interferometry

Content Provider	IEEE Xplore Digital Library
Author	Siebert, R. Wetzig, A. Beyer, E. Betz, B. Grunzweig, C. Lehmann, E.
Copyright Year	2013
Description	Author affiliation: Neutron Imaging & Activation Group, Paul Scherrer Inst., Villigen, Switzerland (Betz, B.; Grunzweig, C.; Lehmann, E.) \|\| Ablation & Cutting, Fraunhofer IWS, Dresden, Germany (Siebert, R.; Wetzig, A.; Beyer, E.)
Abstract	The knowledge of manufacturing related magnetic property degeneration in electrical steel laminations is essential for selecting correct obstructing material grades and designing efficient electrical machines. Until now these effects stay undiscovered due to the lack of adequate investigation methods that reveal local information on troubling lamination areas. Here we show how the use of a non-destructive testing method based on a neutron grating interferometry setup provides spatially-resolved information about the local bulk domain wall density. Different representative manufacturing techniques are compared in terms of magnetic flux density deterioration such as punching, mechanically cutting by guillotine as well as laser fusion cutting applying industrial high power laser beam sources.
Sponsorship	IEEE Power Electron. Soc.
Starting Page	1
Ending Page	5
File Size	851399
Page Count	5
File Format	PDF
ISBN	9781479911028
e-ISBN	9781479911059
DOI	10.1109/EDPC.2013.6689726
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-29
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutron grating interferometry Magnetic flux Punching Magnetic domains Cutting edge Materials Neutrons Laser cutting Magnetic fields Laser beam cutting Domain investigation Magnetic properties
Content Type	Text
Resource Type	Article

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