| Technique for high axial shielding factor performance of large-scale, thin, open-ended, cylindrical Metglas magnetic shields. | |
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MedLine Citation:
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PMID: 21806224 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Metglas 2705M is a low-cost commercially available, high-permeability cobalt-based magnetic alloy, provided as a 5.08-cm wide and 20.3-μm thick ribbon foil. We present an optimized construction technique for single-shell, large-scale (human-size), thin, open-ended cylindrical Metglas magnetic shields. The measured dc axial and transverse magnetic shielding factors of our 0.61-m diameter and 1.83-m long shields in the Earth's magnetic field were 267 and 1500, for material thicknesses of only 122 μm (i.e., 6 foil layers). The axial shielding performance of our single-shell Metglas magnetic shields, obtained without the use of magnetic shaking techniques, is comparable to the performance of significantly thicker, multiple-shell, open-ended Metglas magnetic shields in comparable-magnitude, low-frequency applied external fields reported previously in the literature. |
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Authors:
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S Malkowski; R Adhikari; B Hona; C Mattie; D Woods; H Yan; B Plaster |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 82 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-08-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 075104 Citation Subset: IM |
Affiliation:
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Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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