Simulation of transient eddy-current measurement for the characterization of depth and conductivity of a conductive plate

Weiying Cheng, Ichiro Komura

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

A transient eddy-current measurement method is presented to determine the thickness and conductivity of a conductive plate. The conductive plate is induced by an air-cored coil, the magnetic flux density along the axial is measured, and the various signals corresponding to plates with different thickness and conductivity are calculated using a 3-D transient eddy-current simulator. Characteristic features are obtained from the transient response. A similarity-based modeling method is utilized in this paper to estimate the thickness and conductivity of the conductive plate.

Original languageEnglish
Pages (from-to)3281-3284
Number of pages4
JournalIEEE Transactions on Magnetics
Volume44
Issue number11 PART 2
DOIs
Publication statusPublished - 2008 Nov 1
Externally publishedYes

Keywords

  • Conductivity measurement
  • Eddy-current testing
  • Impulse response
  • Thickness measurement

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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