Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys

Golovin, I. S.; Palacheva, V. V.; Zadorozhnyy, V. Yu.; Zhu, J.; Jiang, H.; Cifre, J.; Lograsso, T. A.

doi:10.1016/j.actamat.2014.05.044

Title: Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys

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Abstract

The structure, magnetostriction and damping properties of Fe₈₂Ga_(18–x)Al_x (x = 0, 5, 8, 12) alloys were analyzed. The anelastic response of Fe–18(Ga + Al) alloys was studied as a function of temperature (from 0 to 600 °C), frequency (from 0.01 to 200 Hz) and amplitude (from 0.0004% to 0.2%) of forced vibrations. The origin of the relatively high damping capacity of Fe–Ga–Al alloy at room temperature was determined by applying a magnetic field and different heat treatment regimes. The substitution of Ga by Al in Fe–18% Ga alloys was found to decrease magnetostriction and damping. The heat treatment of alloys influences the damping capacity of alloys more than variations of their chemical compositions. Thermally activated frequency and temperature-dependent anelastic effects in Fe–Ga–Al alloys were analyzed and the corresponding activation parameters for relaxation processes were evaluated. Internal friction effects caused by structural transformations were recorded and were found to be consistent with the A2 → D0₃ → L1₂ reaction. Thus, the physical mechanisms for all anelastic effects are discussed.

Authors:

Golovin, I. S. ^[1]; Palacheva, V. V. ^[1]; Zadorozhnyy, V. Yu. ^[1]; Zhu, J. ^[2]; Jiang, H. ^[2]; Cifre, J. ^[3]; Lograsso, T. A. ^[4]

National Univ. of Science and Technology MISIS, Moscow (Russia)
Univ. of Science and Technology Beijing, Beijing (P.R. China)
Univ. de les Illes Balears, Palma de Mallorca (Spain)
Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)

Publication Date:: Wed Jul 16 00:00:00 EDT 2014

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1227144

Alternate Identifier(s):: OSTI ID: 1495887

Report Number(s):: IS-J-8727
Journal ID: ISSN 1359-6454; PII: S1359645414004005

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: Acta Materialia

Additional Journal Information:: Journal Volume: 78; Journal Issue: C; Journal ID: ISSN 1359-6454

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Fe–Ga–Al alloys; damping; magnetostriction; structure; ordering

Citation Formats


                    Golovin, I. S., Palacheva, V. V., Zadorozhnyy, V. Yu., Zhu, J., Jiang, H., Cifre, J., and Lograsso, T. A. Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys.  United States: N. p., 2014. 
Web.  doi:10.1016/j.actamat.2014.05.044.

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                    Golovin, I. S., Palacheva, V. V., Zadorozhnyy, V. Yu., Zhu, J., Jiang, H., Cifre, J., & Lograsso, T. A. Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys.  United States.  https://doi.org/10.1016/j.actamat.2014.05.044

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                    Golovin, I. S., Palacheva, V. V., Zadorozhnyy, V. Yu., Zhu, J., Jiang, H., Cifre, J., and Lograsso, T. A. Wed .  
"Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys".  United States.  https://doi.org/10.1016/j.actamat.2014.05.044.  https://www.osti.gov/servlets/purl/1227144.

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@article{osti_1227144,

  title        = {Influence of composition and heat treatment on damping and magnetostrictive properties of Fe–18%(Ga + Al) alloys},

  author       = {Golovin, I. S. and Palacheva, V. V. and Zadorozhnyy, V. Yu. and Zhu, J. and Jiang, H. and Cifre, J. and Lograsso, T. A.},

  abstractNote = {The structure, magnetostriction and damping properties of Fe82Ga(18–x)Alx (x = 0, 5, 8, 12) alloys were analyzed. The anelastic response of Fe–18(Ga + Al) alloys was studied as a function of temperature (from 0 to 600 °C), frequency (from 0.01 to 200 Hz) and amplitude (from 0.0004% to 0.2%) of forced vibrations. The origin of the relatively high damping capacity of Fe–Ga–Al alloy at room temperature was determined by applying a magnetic field and different heat treatment regimes. The substitution of Ga by Al in Fe–18% Ga alloys was found to decrease magnetostriction and damping. The heat treatment of alloys influences the damping capacity of alloys more than variations of their chemical compositions. Thermally activated frequency and temperature-dependent anelastic effects in Fe–Ga–Al alloys were analyzed and the corresponding activation parameters for relaxation processes were evaluated. Internal friction effects caused by structural transformations were recorded and were found to be consistent with the A2 → D03 → L12 reaction. Thus, the physical mechanisms for all anelastic effects are discussed.},

  doi          = {10.1016/j.actamat.2014.05.044},

  journal      = {Acta Materialia},

  number       = C,

  volume       = 78,

  place        = {United States},

  year         = {Wed Jul 16 00:00:00 EDT 2014},

  month        = {Wed Jul 16 00:00:00 EDT 2014}

}

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