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Microstructure and magnetostrictive behavior of Fe-15 at% Ga alloy with different cooling rates

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Abstract

The main attention of this paper was devoted to the study of the effect of different cooling rates on the magnetic domain configuration and magnetostrictive behavior of heat-treated Fe-15 at% Ga alloy. After annealing at 1,000 °C for 3 h, the samples were subjected to water quenching, air cooling, and furnace cooling treatments. Phase constitution and magnetic domain structures of the samples were studied using X-ray diffraction (XRD) and magnetic force microscopy (MFM). XRD results indicate a single phase of α-Fe with disordered bcc (A2) structure for all samples. MFM results show that both water-quenched (WQ) and air-cooled (AC) samples are mainly made from ordered stripe domain structures, whereas a mixture of irregular stripe, zigzag, and plate domain patterns are observed in furnace-cooled (FC) sample. Magnetostrictive strain was measured in the presence of an externally applied magnetic field. It is found that WQ sample has the highest magnetostriction, while AC and FC samples exhibit moderate and the lowest magnetostriction, respectively, against the applied field. The dependence of initial domain configurations on thermal history is found to be conducive to the change in saturation magnetostrictions of the samples.

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References

  1. Atulasimha J, Flatau AB. A review of magnetostrictive iron-gallium alloys. Smt Mater Struct. 2011;20(4):043001.

    Article  Google Scholar 

  2. Xing Q, Du Y, McQueeney RJ, Lograsso TA. Structural investigations of Fe–Ga alloys: phase relations and magnetostrictive behavior. Acta Mater. 2008;56(16):4536.

    Article  Google Scholar 

  3. Khachaturyan AG, Viehland D. Structurally heterogeneous model of extrinsic magnetostriction for Fe–Ga and similar magnetic alloys: part II. Giant magnetostriction and elastic softening. Metall Mater Trans A. 2007;38(13):2317.

    Article  Google Scholar 

  4. Khachaturyan AG, Viehland D. Structurally heterogeneous model of extrinsic magnetostriction for Fe–Ga and similar magnetic alloys: part I. Decomposition and confined displacive transformation. Metall Mater Trans A. 2007;38(13):2308.

    Article  Google Scholar 

  5. Bhattacharyya S, Jinschek JR, Khachaturyan AG, Cao H, Li JF, Viehland D. Nanodispersed D03-phase nanostructures observed in magnetostrictive Fe-19 % Ga galfenol alloys. Phys Rev B. 2008;77(10):104107.

    Article  Google Scholar 

  6. Lograsso TA, Summers EM. Detection and quantification of D03 chemical order in Fe–Ga alloys using high resolution X-ray diffraction. Mater Sci Eng, A. 2006;416(1):240.

    Article  Google Scholar 

  7. Zhao X, Mellors N, Kilcoyne S, Lord D, Lupu N, Chiriac H, Henry RF. Neutron diffraction studies of magnetostrictive Fe–Ga alloy ribbons. J Appl Phys. 2008;103(7):07B320.

    Google Scholar 

  8. Clark AE, Wun-Fogle M, Restorff JB, Lograsso TA, Cullen JR. Effect of quenching on the magnetostriction on Fe1−x Ga x (0.13 < x < 0.21). IEEE Trans Magn. 2001;37(4):2678.

    Article  Google Scholar 

  9. Lograsso TA, Ross AR, Schlagel DL, Clark AE, Wun-Fogle M. Structural transformation in quenched Fe–Ga alloys. J Alloys Compd. 2003;350(1):95.

    Article  Google Scholar 

  10. Datta S, Hung M, Raim J, Lograsso TA, Flatau AB. Effect of thermal history and Ga content on magnetomechanical properties of iron gallium alloys. Mater Sci Eng, A. 2006;435(5):221.

    Article  Google Scholar 

  11. Armstrong WD. A directional magnetization potential based model of magnetoelastic hysteresis. J Appl Phys. 2002;91(4):2202.

    Article  Google Scholar 

  12. Zhang JX, Chen LQ. Phase-field microelasticity theory and micromagnetic simulations of domain structures in giant magnetostrictive materials. Acta Mater. 2005;53(9):2845.

    Article  Google Scholar 

  13. Zhang JJ, Ma T, Van M. Magnetic force microscopy study of heat-treated Fe81Ga19 with different cooling rates. Phys B. 2010;405(15):3129.

    Article  Google Scholar 

  14. Bai F, Li J, Viehland D, Wu D, Lograsso TA. Magnetic force microscopy investigation of domain structures in Fe-x at% Ga single crystals (12 < x < 25). J Appl Phys. 2005;98(22):023904-1.

    Google Scholar 

  15. Zhou JK, Li DD, Li JG. Magnetic force microscopy observation of undercooled Fe81Ga19 magnetostrictive alloys. J Phys D. 2008;41(20):205405.

    Article  Google Scholar 

  16. Emdadi AA, HosseinNedjad S, BadriGhavifekr H. Effect of solidification texture on the magnetostrictive behavior of Galfeno. Metall Mater Trans A. 2014;45:906.

    Article  Google Scholar 

  17. Hubert A, Schafer R. Magnetic Domains: The Analysis of Magnetic Microstructures. 3rd ed. Berlin: Springer; 2000. 5.

    Google Scholar 

  18. Engdahl G. Handbook of Giant Magnetostrictive Materials. 1st ed. London: Academic Press; 2000. 78.

    Google Scholar 

  19. Wu R. Origin of large magnetostriction in FeGa alloys. J Appl Phys. 2002;91(10):7358.

    Article  Google Scholar 

Download references

Acknowledgments

The author gratefully acknowledges the support of Center of Excellence for High Performance Materials (CEPMAT) at University of Tehran for providing vacuum arc melting, Mahar Fan Abzar Co. for running MFM tests, Dr. S. Hossein Nedjad and Dr. H. Badri Ghavifekr in Faculty of Materials Engineering, Sahand University of Technology for their sincere help.

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  1. Faculty of Materials Engineering, Center for Advanced Materials Research, Sahand University of Technology, 51335-1996, Tabriz, Iran

    Aliakbar Emdadi

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  1. Aliakbar Emdadi
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Correspondence to Aliakbar Emdadi.

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Emdadi, A. Microstructure and magnetostrictive behavior of Fe-15 at% Ga alloy with different cooling rates. Rare Met. 34, 251–254 (2015). https://doi.org/10.1007/s12598-015-0450-4

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  • DOI: https://doi.org/10.1007/s12598-015-0450-4

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