Quantitative Evaluation of Stress-Permeability Relation in Ferromagnetic Steel by Measuring Magnetic Flux Density near Material

Kenichirou Sekiguchi, Masumi Saka, Hiroyuki AbÉ

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Measurement of stress based on the magnetoelastic interaction effect in ferromagnetic materials relies on a change in permeability due to the stress. A method for quantitatively evaluating the stress-permeability relation was proposed by combining measured magnetic flux density near a specimen with nonlinear analysis of the magnetic field by the finite-element method. First, the flux density near the specimen was measured in a low magnetic field independent of the detecting system. Next, the permeability was modeled by a linear function of the flux density. Also, the permeability was modeled to relate it with the stress in a linear form. Finally, the stress-permeability relation was determined quantitatively by comparing the measurement with the nonlinear analysis of the magnetic field based on the model of permeability.

Original languageEnglish
Pages (from-to)1617-1623
Number of pages7
JournalTransactions of the Japan Society of Mechanical Engineers Series A
Volume60
Issue number575
DOIs
Publication statusPublished - 1994

Keywords

  • Detecting System
  • Finite-Element Method
  • Low Magnetic Field
  • Magnetic Flux Density
  • Magnetoelastic Interaction
  • Nondestructive Inspection
  • Nonlinear Problem
  • Permeability
  • Stress

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Quantitative Evaluation of Stress-Permeability Relation in Ferromagnetic Steel by Measuring Magnetic Flux Density near Material'. Together they form a unique fingerprint.

Cite this