Magnetoelastic Contribution to Ultrasonic Attenuation in Structural Steels

  • Pierre Langlois
  • Jean F. Bussière


During recent years, there has been sustained interest in the use of ultrasonic attenuation to characterize the microstructure and mechanical properties of metals 1–4 . However, most of these studies have focussed on attenuation associated with scattering and have either neglected or treated in an empirical and simplified manner other contributions to attenuation. In the present study, we show that absorption of magnetoelastic origin can give rise to substantial attenuation in common structural steels and investigate its dependence on ultrasonic frequency and magnetic permeability.


Carbon Steel Magnetic Permeability Initial Permeability Ultrasonic Attenuation Saturate Field 


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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Pierre Langlois
    • 1
  • Jean F. Bussière
    • 1
  1. 1.National Research Council of CanadaIndustrial Materials Research InstituteBouchervilleCanada

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