A Model of the Calibration Blocks of the Magnetic Susceptibility of Disperse Materials for Devices Intended for Magnetic Susceptibility Measurements: I. Calculation of a Calibration Specimen with the Normalized Magnetic Susceptibility of a Disperse Material
Calculated parameters of large-volume calibration specimens are presented. The specimens are made of a disperse ferromagnetic mixture with the magnetic susceptibility chic > or = 400 SI units encased in a spherical shell made of a dielectric with the magnetic susceptibility chim(d) < < 1. T...
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Published in | Russian journal of nondestructive testing Vol. 41; no. 11; pp. 731 - 735 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
01.11.2005
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Online Access | Get full text |
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Summary: | Calculated parameters of large-volume calibration specimens are presented. The specimens are made of a disperse ferromagnetic mixture with the magnetic susceptibility chic > or = 400 SI units encased in a spherical shell made of a dielectric with the magnetic susceptibility chim(d) < < 1. The normalized magnetic susceptibility is determined for the calibration specimens. Its limiting value, equal to chic(c) = 1.99 SI units, is determined by their spherical form and the volume concentration Cv = 0.9, which corresponds to the volume fraction of the ferromagnetic component in the disperse medium. Relative error delta in the measurement of the specimen's magnetic susceptibility does not exceed -1%. [Example materials: ferrite]. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 |
ISSN: | 1061-8309 1608-3385 |
DOI: | 10.1007/s11181-006-0026-3 |