Application of the Instrumented Nanoindentation Method to Evaluating the Behavior of the Mechanical Properties of a Fe-Ga Alloy with Increasing Gallium Content

V. A. Milytun; I. V. Gervasyeva

doi:10.17804/2410-9908.2018.6.090-099

V. A. Milytun, I. V. Gervasyeva

APPLICATION OF THE INSTRUMENTED NANOINDENTATION METHOD TO EVALUATING THE BEHAVIOR OF THE MECHANICAL PROPERTIES OF A Fe-Ga ALLOY WITH INCREASING GALLIUM CONTENT

DOI: 10.17804/2410-9908.2018.6.090-099

Five Fe-Ga samples with gallium content ranging from 13.2 to 19.7 at. % are studied in this paper. X-ray phase analysis is carried out for the certification of the phase composition of the initial samples; in order to find differences in the chemical composition inside the grains and in the near-border areas, elementary analysis of individual structure sections is carried out. It is demonstrated that in this alloy there is a distinct brittle fracture. To study the mechanical properties and to reveal their behavior with increasing Ga content, it is proposed to use a nanoindentation system. An increase in microhardness and a decrease in the plastic work of indentation with increasing Ga content are shown.

Acknowledgements: The work was performed within the state assignment from FASO Russia (Magnet, No. АААА-А18-118020290129-5) and partially supported by the RFBR (project No. 18-03-00623) and UB RAS Complex Program No. 18-10-2-5. The experimental results were obtained with the use of the equipment of the Testing Center of Nanotechnology and Advanced Materials collective use center.

Keywords: Fe-Ga alloy, instrumented microindentation, fracture

Bibliography:

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$Fig. 2. A diffraction pattern obtained from the Fe-18.6 at % Ga sample$

В. А. Милютин, И. В. Гервасьева

ИСПОЛЬЗОВАНИЕ МЕТОДА ИНСТРУМЕНТАЛЬНОГО НАНОИНДЕНТИРОВАНИЯ ДЛЯ ОЦЕНКИ ИЗМЕНЕНИЯ МЕХАНИЧЕСКИХ СВОЙСТВ СПЛАВА FE-GA ПРИ УВЕЛИЧЕНИИ СОДЕРЖАНИЯ ГАЛЛИЯ

В работе исследованы 5 образцов сплава Fe-Ga с содержанием галлия от 13,2 до 19,7 ат. %. Для аттестации фазового состава образцов проведен рентгенофазовый анализ, а с целью установления различий по химическому составу в теле зерна и в приграничных областях проведен элементарный анализ отдельных участков структуры. Показано, что в данном сплаве имеет место ярко выраженный хрупкий излом. Для исследования механических свойств и установления характера их изменения при увеличении содержания Ga предложено использовать систему наноиндентирования. Показано увеличение микротвердости и уменьшение пластической работы индентирования по мере роста содержания галлия.

Благодарности: Работа выполнена в рамках государственного задания ФАНО России (тема «Магнит» № АААА-А18-118020290129-5 при частичной поддержке РФФИ (проект № 18-03-00623) и комплексной программы УрО РАН № 18-10-2-5. Экспериментальные результаты получены с использованием оборудования ЦКП «Ис-пытательный центр нанотехнологий и перспективных материалов»

Ключевые слова: сплав Fe-Ga, инструментальное микроиндентирование, излом

Библиография:

Magnetostrictive properties of body-centered cubic Fe-Ga and Fe-Ga-Al alloys / A. E. Clark, J. B. Restorff, M. Wun-Fogle, T. A. Lograsso, D. L Schlagel // IEEE Transactions on Magnetics. – 2000. –Vol. 36. – P. 3238–3240. – DOI: 10.1109/20.908752.
Structural investigations of Fe–Ga alloys: Phase relations and magnetostrictive behavior / Q. Xing, Y. Du, R. J .McQueeney, T. A. Lograsso // Acta Materialia. – 2008. – Vol. 56. – P. 4536–4546. – DOI: 10.1016/j.actamat.2008.05.011.
Na S., Flatau A. B. Single grain growth and large magnetostriction in secondarily recrystallized Fe–Ga thin sheet with sharp Goss (011) [100] orientation // Scripta Materialia. – 2012. – Vol. 66. – P. 307–310. – DOI: 10.1016/j.scriptamat.2011.11.020.Magnetostrictive properties of galfenol alloys under compressive stress / A. E. Clark, M. Wun-Fogle, J. B. Restorff, T. A. Lograsso // Materials Transaction. – 2002. – Vol. 43. – P. 881–886. – DOI: 10.2320/matertrans.43.881.
Magnetostrictive properties of galfenol alloys under compressive stress / A.E. Clark, M. Wun-Fogle, J.B. Restorff, T.A. Lograsso // Materials Transaction. – 2002. – V. 43. – P. 881-886. – DOI: 10.2320/matertrans.43.881
Temperature and stress dependencies of the magnetic and magnetostrictive properties of Fe 0.81 Ga 0.19 / R. A. Kellogg, A. B. Flatau, A. E. Clark, M. Wun-Fogle, T. A. Lograsso // J. Appl. Phys. – 2002. – Vol. 91. –P. 7821–7823. – DOI: 10.1063/1.1452216.
Corrosion studies of single crystals of iron–gallium alloys in aqueous environments / T. V. Jayaraman, N. Srisukhumbowornchai, S. Guruswamy, M. L. Free // Corros. Sci. – 2007. – Vol. 49. – P. 4015–4027. – DOI: 10.1016/j.corsci.2007.05.010.
Golovin I. S., Rivière A. Mechanisms of anelasticity in Fe-13Ga alloy // Intermetallics. – 2011. – Vol. 19. – P. 453–459. – DOI: 10.1016/j.intermet.2010.10.017.
Golovin I. S. Anelasticity of Fe–Ga based alloys // Materials & Design. – 2015. – Vol. 88. – P. 577–587. – DOI: 10.1016/j.matdes.2015.08.160.
Xing Q., Lograsso T. A. Effect of cooling rate on magnetoelasticity and short-range order in Fe-Ga alloys // Scripta Materialia. – 2011. – Vol. 65. – P. 359–362. – DOI: 10.1016/j.scriptamat.2011.05.010.
Ductility, texture and large magnetostriction of Fe–Ga-based sheets / J.H. Li, X.X. Gao, J. Zhu, X.Q. Bao, T. Xia, M.C. Zhang // Scripta Materialia. – 2010. – V. 63. – P. 246–249. – DOI: 10.1016/j.scriptamat.2010.03.068Ductility, texture and large magnetostriction of Fe–Ga-based sheets / J. H. Li, X. X. Gao, J. Zhu, X. Q. Bao, T. Xia, M. C. Zhang // Scripta Materialia. – 2010. – Vol. 63. – P. 246–249. – DOI: 10.1016/j.scriptamat.2010.03.068.
S. Na, A.B. Flatau. Deformation behavior and magnetostriction of polycrystalline Fe-Ga-X (X=B, C, Mn, Mo, Nb, NbC) alloys // Journal of Applied Physics. – 2008. – V. 103. – P. 07D304. – DOI: 10.1063/1.2838772Na S., Flatau A. B. Deformation behavior and magnetostriction of polycrystalline Fe-Ga-X (X=B, C, Mn, Mo, Nb, NbC) alloys // Journal of Applied Physics. – 2008. – Vol. 103. – P. 07D304. – DOI: 10.1063/1.2838772.
Texture evolution and magnetostriction in rolled (Fe81Ga19) 99 Nb1 alloy / J. Li, X. Gao, J. Zhu, C. He, J. Qiao, W. M. Zhang // J. Alloys. Compd. – 2009. – Vol. 476. – P. 529–533. – DOI: 10.1016/j.jallcom.2008.09.087.
Ductility enhancement and magnetostriction of polycrystalline Fe-Ga based alloys / J. Li, X. Gao, J. Zhu, Jie Li, M. Zhang // J. Alloys. Compd. – 2009. – Vol. 484. – P. 203–206. – DOI: 10.1016/j.jallcom.2009.03.008.
Sun A. L., Liu J. H., Jiang C. B. Microstructural characteristics and in situ reinforcement in NbC-doped Fe81Ga19 magnetostrictive alloys // Materials & Design. – 2015. – Vol. 88. – P. 1342–1346. – DOI: 10.1016/j.matdes.2015.08.150.
Takahashi T., Okazaki T., Furuya Y. Improvement in the mechanical strength of magnetostrictive (Fe-Ga-Al)-X-C (X = Zr, Nb and Mo) alloys by carbide precipitation // Scr. Mater. – 2009. – Vol. 61. – P. 5–7. – DOI: 10.1016/j.scriptamat.2008.12.032.
Improved magneostriction and mechanical properties in dual-phase FeGa single crystal / Y. Wu, L. Fang, C. Meng, Y. Chen, J. Wang, J. Liu, T. Zhang, C. Jiang // Materials Research Letters. – 2018. – Vol. 6. – P. 327–332. – DOI: 10.1080/21663831.2018.1451403.
Influence of Tb on structure and properties of Fe-19%Ga and Fe-27%Ga alloys / I. S. Golovin, E. M. Balagurov, V. V. Palacheva, A. Emdadi, I. A. Bobrikov, A. Y. Churyumov, V. V. Cheverikin, A. V. Pozdniakov, A. V. Mikhaylovskaya, S. A. Golovin // J. Alloys. Compd. – 2016. – Vol. 707. – P. 51–56. – DOI: 10.1016/j.jallcom.2016.09.151.
Magnetostriction and microstructure of the melt-spun Fe 83 Ga 17 alloy / M. C. Zhang, H. L. Jiang, X. X. Gao, J. Zhu, S. Z. Zhou // Journal of Applied Physics. – 2006. – Vol. 99. – P. 023903. – DOI: 10.1063/1.2164528.
Giant magnetostriction on Fe85Ga15 stacked ribbon samples / G. D. Liu, L. B. Liu, Z. H. Liu, M. Zhang, J. L. Chen, J. Q. Li, G. H. Wu // Appl. Phys. Lett. – 2004. – Vol. 84. – P. 2124–2126. – DOI: 10.1063/1.1688452.
Atulasimha J., Flatau A. B. A review of magnetostrictive iron–gallium alloys // Smart Mater. Struct. – 2011. – Vol. 20. – P. 043001–043001. – DOI: 10.1088/0964-1726/20/4/043001.
Magnetic and Mechanical Properties of Polycrystalline Galfenol / E. M. Summers, T. A. Lograsso, J. D. Snodgrass, J. C. Slaughter // Smart Structures and Materials 2004: Active Materials: Behavior and Mechanics : proceedings. – 2004. – Vol. 448. – DOI: 10.1117/12.539781.
Phase equilibria and stability of ordered b.c.c. phases in the Fe-rich portion of the Fe–Ga system / O. Ikeda, R. Kainuma, I. Ohnuma, K. Fukamichi, K. Ishida // J. Alloys. Compd. – 2002. – Vol. 347. – P. 198–205. – DOI: 10.1016/S0925-8388(02)00791-0.
Pineau A., Benzerga A. A., Pardoen T. Failure of metals I: Brittle and ductile fracture // Acta Materialia. – 2016. – Vol. 107. – P. 424–483. – DOI: 10.1016/j.actamat.2015.12.034.
Khachaturyan A. G., 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. – Vol. 38A – P. 2308–2316. – DOI: 10.1007/s11661-007-9253-z.
Nanodispersed DO3-phase nanostructures observed in magnetostrictive Fe–19% Ga Galfenol alloys / S. Bhattacharyya, J. R. Jinschek, A. Khachaturyan, H. Cao, J. F. Li, D. Viehland // Phys. Rev. B. – 2008. – Vol. 77. – P. 104107. – DOI: 10.1103/PhysRevB.77.104107.
Role of Nanoscale Precipitates on the Enhanced Magnetostriction of Heat-Treated Galfenol (Fe1-xGax) Alloys / H. Cao, P. M. Gehring, C. P. Devreugd, J. A. Rodriguez-Rivera, J. Li, D. Viehland // Phys. Rev. Lett. – 2009. – Vol. 102. – P. 127201. – DOI: 10.1103/PhysRevLett.102.127201.

Библиографическая ссылка на статью

Milytun V. A., Gervasyeva I. V. Application of the Instrumented Nanoindentation Method to Evaluating the Behavior of the Mechanical Properties of a Fe-Ga Alloy with Increasing Gallium Content // Diagnostics, Resource and Mechanics of materials and structures. - 2018. - Iss. 6. - P. 90-99. -
DOI: 10.17804/2410-9908.2018.6.090-099. -
URL: http://dream-journal.org/issues/2018-6/2018-6_227.html
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