Demagnetizing correction in permeability measurements of cylinders

  • D. X. Chen*
  • , S. S. Wang
  • , Y. C. Cheng
  • , X. H. Chu
  • , M. J. Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A formula for demagnetizing correction of the measured permeability of cylindrical samples is derived. The procedure for using this formula and the accurately calculated fluxmetric demagnetizing factors to treat the results of fluxmetric measurements is introduced and applied to several samples of different lengths cut from the same magnetic cylinder. The revision of ASTM A342, standard test methods for permeability of feebly magnetic materials, is explained in the appendix.

Original languageEnglish
Article number055607
JournalMeasurement Science and Technology
Volume23
Issue number5
DOIs
StatePublished - May 2012

Keywords

  • demagnetizing correction
  • fluxmetric measurements

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