A measurement method of the magnetic properties of magnetic sheet by means of a single sheet tester at audio frequency
Source abstract
Abstract
Abstract A single sheet tester (SST) for audio frequency of 400 Hz–10 kHz was made experimentally and the magnetizing winding can get the nearly uniform distribution of flux density of a specimen in the longitudinal direction at the frequency up to 10 kHz. The flux densities at various positions of strips measured by the Epstein method were detected by search coils wound on strips at 400 Hz and 1.0 T. They have large discrepancy. However, the magnetic properties obtained from both methods have a little discrepancy. Although the uniformity of flux distribution in the Epstein frame is not sufficient, the average is fairly effective because the magnetic properties can be assumed to be locally linear within the small deviation of flux density.
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Research context
OpenAlex topics: Magnetic Properties and Applications · Non-Destructive Testing Techniques · Advanced Electrical Measurement Techniques
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References (4)
Show source-provided references
1. 2000
2. 1996
3. Y. Takara, J. Chun-Feng, Y. Ishihara, T. Todaka, Study on the single sheet magnetic measurement method for audio frequency (no. 3), The Papers of Technical Meeting on Magnetics of IEE Japan, MAG-06-70, 2006, pp. 27–32.
4. Y. Takara, K. Fujiwara, Y. Ishihara, T. Todaka, The influence of the distribution of flux density measured by the Epstein method—comparison with the SST method, The Papers of Technical Meeting on Magnetics of IEE Japan, MAG-07-60, 2007, pp. 37–42.