Barkhausen Noise Analysis and Ferromagnetic Materials

Abstract

At its foundations (ferromagnetic domains), the Barkhausen effect has a rich theory. An introduction to this theory is first given. The Barkhausen effect is a defined and a description of how it comes about is given. Barkhausen Noise Analysis (BNA) is used as a nondestructive evaluation method. Completed applications of this are cited and explained. BNA is applicable only to ferromagnetic materials, so its use has primarily focused on armor applications in this study. The parameters which affect the method were also sought and the results given. Keywords: Barkhausen noise analysis; Residual stress; TOW missile; Ferromagnetic; Hysteresis; Magnetization; Nondestructive evaluation; Domain walls; Magnetic moments.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1989
Accession Number
ADA217989

Entities

People

  • Douglas J. Strand

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Detectors
  • Domain Walls
  • Engineering
  • Fatigue Tests (Mechanics)
  • Ferromagnetic Materials
  • Magnetic Fields
  • Magnetic Moments
  • Magnetic Phenomena
  • Magnetization
  • Materials
  • Materials Science
  • Materials Testing
  • Measurement
  • Mechanics
  • Military Research
  • Test And Evaluation

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