Structure and properties of suction-cast Pr-(Fe, Co)-(Zr, Nb)-B rod magnets

• Autorzy: Pawlik Katarzyna

Identyfikatory

DOI

10.24425/bpasts.2021.138971

• Języki publikacji: EN

Abstrakty

EN

The rod specimens were produced from Pr9Fe50 + xCo13Zr1Nb4B23 – x (x = 0, 5, 8) alloys using the suction-casting technique. Subsequent devitrification annealing of those samples resulted in the change of their phase structure and magnetic properties. For annealed specimens of all investigated compositions, the Rietveld analyses of X-ray diffractions have shown the presence of three crystalline phases: the hard magnetic Pr2Fe11.2Co2.8B, soft magnetic α-Fe, and paramagnetic Pr1 + xFe4B4, which have precipitated within the amorphous matrix. This technique allowed us to determine the weight fractions of constituent phases. Furthermore, the microstructural changes with the alloy composition were observed. Magnetic measurements of annealed rods allowed us to calculate the switching field distributions (SFD) and δM plots in order to determine the strength and character of magnetic interactions between grains of constituent phases.

Słowa kluczowe

EN

bulk metallic glasses; bulk nanostructured magnets; RE-Fe-B magnets; miniature magnet

PL

szkło metaliczne masywne; magnes nanostrukturalny; magnes RE-Fe-B; magnes miniaturowy

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2021
• Tom: Vol. 69, nr 5
• Strony: art. no. e138971
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Pawlik Katarzyna

• Department of Physics, Faculty of Production Engineering and Materials Technology, Częstochowa University of Technology, Al. Armii Krajowej 19, 42-200 Częstochowa, Poland

Bibliografia

• [1] A. Łebkowski, “A way of neodymium-iron-boron magnets regeneration in surface-mounted PMSM used in electric vehicles”, Bull. Pol. Acad. Sci. Tech. Sci., vol. 65, no. 5, pp. 751–758, 2017, doi: 10.1515/bpasts-2017-0081.
• [2] S. Hirosawa, H. Kanekiyo, Y. Shigemoto, and T. Miyoshi, in Proceedings of 18th International Workshop on High Performance Magnets and Their Applications, 2004, pp. 655–666.
• [3] P. Pawlik, K. Pawlik, H.A. Davies, J.J. Wysocki, and W. Kaszuwara, “Nanocrystalline (Pr, Dy)-(Fe, Co)-Zr-Ti-B magnets produced directly by rapid solidification,” J. Phys. Conf. Ser., vol. 144, pp. 1–5, 2009, doi: 10.1088/1742-6596/144/1/012060.
• [4] J. Zhang, K.Y. Lim, Y.P. Feng, and Y. Li, “Fe-Nd-B-based hard magnets from bulk amorphous precursor,” Scr. Mater., vol. 56, no. 11, pp. 943–946, Jun. 2007, doi: 10.1016/j.scriptamat.2007.02.016.
• [5] X. Bao, J. Zhu, W. Li, X. Gao, and S. Zhou, “Influence of zirconium addition on microstructure, magnetic properties and thermal stability of nanocrystalline Nd12.3Fe81.7B6.0 alloy,” J. Rare Earths, vol. 27, no. 5, pp. 843–847, Oct. 2009, doi: 10.1016/S1002-0721(08)60347-6.
• [6] K. Pawlik, P. Pawlik, J.J. Wysłocki, and W. Kaszuwara, “Structural and magnetic studies of bulk nanocomposite magnets derived from rapidly solidified Pr-(Fe,Co)-(Zr,Nb)-B alloy,” Materials, vol. 13, no. 7, pp. 1–16, 2020, doi: 10.3390/ma13071515.
• [7] W. Zhang and A. Inoue, “Bulk nanocomposite permanent magnets produced by crystallization of (Fe,Co)-(Nd,Dy)-B bulk glassy alloy,” Appl. Phys. Lett., vol. 80, no. 9, pp. 1610–1612, Mar. 2002, doi: 10.1063/1.1456259.
• [8] Y. Long, W. Zhang, X. Wang, and A. Inoue, “Effects of transition metal substitution on the glass-formation ability and magnetic properties of Fe62Co9.5Nd3Dy0.5B25 glassy alloy,” J. Appl. Phys., vol. 91, no. 8, pp. 5227–5229, Apr. 2002, doi: 10.1063/1.1457538.
• [9] H.W. Chang et al., “Magnetic properties, phase evolution and microstructure of directly quenched bulk Pr-Fe-B-Nb magnets,” Scr. Mater., vol. 59, no. 2, pp. 227–230, Jul. 2008, doi: 10.1016/j.scriptamat.2008.03.011.
• [10] I. Betancourt and H.A. Davies, “Influence of Zr and Nb dopant additions on the microstructure and magnetic properties of nanocomposite RE2(Fe,Co)14B/α(Fe,Co) (RE = Nd-Pr) alloys,” J. Magn. Magn. Mater., vol. 261, no. 3, pp. 328–336, May 2003, doi: 10.1016/S0304-8853(02)00366-9.
• [11] P. Pawlik and H.A. Davies, “Glass formability of Fe-Co-Pr-Dy-Zr-B alloys and magnetic properties following devitrification,” Scr. Mater., vol. 49, no. 8, pp. 755–760, Oct. 2003, doi: 10.1016/S1359-6462(03)00428-7.
• [12] K. Pawlik, P. Pawlik, W. Kaszuwara, and J.J. Wysłocki, “Glass forming abilities and crystallization process in amorphous Pr-Fe-Co-Zr-Nb-B alloys of various B content,” in Acta Physica Polonica A, vol. 131, no. 4, pp. 979–981, Apr. 2017, doi: 10.12693/APhysPolA.131.979.
• [13] K. Pawlik, P. Pawlik, and J. J. Wysłocki, “The Bulk Glass Forming Ability and Magnetic Properties of Pr9Fe50 + xCo13Zr1Nb4B23−x (x = 0, 2, 5, 8) Alloys,” Acta Phys. Pol. A, vol. 118, no. 5, pp. 900–902, 2010.
• [14] P. Pawlik, K. Pawlik, and A. Przybył, “Investigation of the cooling rate in the suction casting process,” Rev. Adv. Mater. Sci, vol. 18, pp. 81–84, 2008, [Online]. Available: https://www.researchgate.net/publication/285013213 (Accessed: Feb. 10, 2021).
• [15] K. Pawlik, P. Pawlik, J.J. Wysłocki, and W. Kaszuwara, “Microstructure and magnetic interactions in Pr-Fe-Co-Zr-Nb-B magnets,” J. Alloys Compd., vol. 536, no. SUPPL.1, pp. S348–S353, Sep. 2012, doi: 10.1016/j.jallcom.2011.12.003.
• [16] P. Pawlik, H.A. Davies, and M.R.J. Gibbs, “Magnetic properties and glass formability of Fe61Co10Zr5W4B20 bulk metallic glassy alloy,” Appl. Phys. Lett., vol. 83, no. 14, pp. 2775–2777, 2003, doi: 10.1063/1.1614419.
• [17] K. Pawlik, “Effect of heat treatment on the phase transformation and magnetic properties of the rapidly solidified Pr9Fe58Co13Zr1Nb4B15 alloy ribbons,” Acta Phys. Pol. A, vol. 131, no. 5, pp. 1264–1269, 2017, doi: 10.12693/APhysPolA.131.1264.
• [18] E.F. Kneller and R. Hawig, “The exchange-spring magnet: A new material principle for permanent magnets,” IEEE Trans. Magn., vol. 27, no. 4, pp. 3588–3600, 1991, doi: 10.1109/20.102931.
• [19] P.I. Mayo, R.M. Erkkila, A. Bradbury, and R.W. Chantrell, “Interaction Effects in Longitudinally Oriented and Non-Oriented Barium Hexaferrite Tapes,” IEEE Trans. Magn., vol. 26, no. 5, pp. 1894–1896, 1990, doi: 10.1109/20.104560.
• [20] B.E. Meacham, D.J. Branagan, and J.E. Shield, “Understanding the link between nanoscale microstructural features and dynamic hysteresis phenomena,” J. Magn. Magn. Mater., vol. 277, no. 1–2, pp. 123–129, Jun. 2004, doi: 10.1016/j.jmmm.2003.10.034.
• [21] S. Aich and J.E. Shield, “A study on the order-disorder phase transformations of rapidly solidified Sm-Co-based permanent magnets,” J. Magn. Magn. Mater., vol. 313, no. 1, pp. 76–83, Jun. 2007, doi: 10.1016/j.jmmm.2006.12.006.
• [22] M. Fearon, R.W. Chantrell, and E.P. Wohlfarth, “A theoretical study of interaction effects on the remanence curves of particulate dispersions,” J. Magn. Magn. Mater., vol. 86, no. 2–3, pp. 197–206, May 1990, doi: 10.1016/0304-8853(90)90121-6.
• [23] J.E. Shield, B.B. Kappes, D.J. Branagan, and J. Bentley, “Chemical partitioning during crystallization and its effect on the microstructure and magnetic behavior of modified Nd-Fe-B permanent magnets,” J. Magn. Magn. Mater., vol. 246, no. 1–2, pp. 73–79, Apr. 2002, doi: 10.1016/S0304-8853(02)00028-8.
• [24] H. Chiriac, M. Marinescu, P. Tiberto, and F. Vinai, “Reversible magnetization behavior and exchange coupling in ttwo-phase NdFeB melt spun ribbons,” Mater. Sci. Eng. A, vol. 304–306, no. 1–2, pp. 957–960, May 2001, doi: 10.1016/S0921-5093(00)01599-9.
• [25] E.P. Wohlfarth, “Relations between different modes of acquisition of the remanent magnetization of ferromagnetic particles,” J. Appl. Phys., vol. 29, no. 3, pp. 595–596, Mar. 1958, doi: 10.1063/1.1723232.
• [26] P.E. Kelly, K. O’Grady, P.L. Mayo, and R.W. Chantrell, “Switching mechanisms in cobalt-phosphorus thin films,” IEEE Trans. Magn., vol. 25, no. 5, pp. 3881–3883, 1989, doi: 10.1109/20.42466.