Metal Science and Heat Treatment

, Volume 54, Issue 5–6, pp 229–233 | Cite as

Effect of magnetic field on Fe – Si – Al alloy properties with zero magnetostriction

  • E. K. Naimi
  • D. E. Kaputkin

A method and results for a study of the effect of permanent and variable (up to about 1.5 kHz) magnetic fields with intensity H = 0–1050 A/m on internal friction Q –1 and Young’s modulus defect ∆E/E in magnetically-soft alloy of the system Fe – Si – Al (sendast type) with mechanical vibration frequency about 105 Hz are provided. The range of strain rate amplitudes ε0 within which Q –1 and ∆E/E are independent of H, and the range where they increase linearly with an increase in S0 over the whole range of change in H are determined. Results obtained are analyzed within the framework of existing relaxation theory and hysteresis mechanism of elastic vibration damping within magnetically soft materials.

Key words

ferromagnetic materials ultrasound internal friction magnetic field Young’s modulus defect 


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  1. 1.National Research Technology University MISiSMoscowRussia

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