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Evaluation of mechanical properties of magnetic materials using a non-destructive method

  • David X. Yang
  • , Kevin P. Kankolenski
  • , Susan Z. Hua
  • , L. J. Swartzendruber
  • , G. E. Hicho
  • , Harsh Deep Chopra
  • SUNY Buffalo
  • National Institute of Standards and Technology

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

A magnetic-based nondestructive evaluation (NDE) method, which employs Barkhausen effect and measurement of hysteresis loops, is developed and used to correlate the magnetic and mechanical properties in ultra low carbon (ULC) steel. The NDE test equipment offers the capability to detect small deviations from linearity that occur in the stress-strain curve well below the 0.2% offset strain. Results show that three properties extracted from the experimental results, jumpsum and jumpsum rate (derived from the Barkhausen spectrum), and differential permeability (derived from the B-H loops), vary sensitively with small deformations well below the 0.2% offset strain in ULC steels; however coercivity is a slowly varying function of small applied strains.

Original languageEnglish
Pages (from-to)2758-2760
Number of pages3
JournalIEEE Transactions on Magnetics
Volume37
Issue number4 I
DOIs
StatePublished - Jul 2001
Event8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States
Duration: Jan 7 2001Jan 11 2001

Keywords

  • Barkhasuen effect
  • Jumpsum method
  • Mechanical properties
  • Nondestructive testing

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