Drake, A E; Ager, C I (1993) Report on the development of low magnetic permeability reference materials. NPL Report. DES 119
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Abstract
A study has been carried out to select suitable reference materials for the calibration of magnetic permeability measuring instruments over their normal working range of relative magnetic permeability of 1.0025 to 1.4. With the exception of some of the rare earth elements, the permeability of the elements is below the lower limit of this range. It was necessary, therefore, to investigate metallic alloys and composites. As a result, three magnetic alloys were selected on grounds of their stability and uniformity of composition.
Item Type: | Report/Guide (NPL Report) |
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NPL Report No.: | DES 119 |
Subjects: | Electromagnetics Electromagnetics > Electromagnetic Materials |
Last Modified: | 02 Feb 2018 13:19 |
URI: | http://eprintspublications.npl.co.uk/id/eprint/337 |
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