J. Mater. Sci. Technol. ›› 2021, Vol. 81: 36-42.DOI: 10.1016/j.jmst.2020.11.057
• Research Article • Previous Articles Next Articles
Kaisheng Minga,b,c, Shuimiao Jiangb, Xiaoyuan Niud, Bo Lib, Xiaofang Bic,**(
), Shijian Zhenga,b,*()
Received:2020-07-28
Revised:2020-09-16
Accepted:2020-11-04
Published:2021-01-07
Online:2021-01-07
Contact:
Xiaofang Bi,Shijian Zheng
About author:*State Key Laboratory of Reliability and Intelligence ofElectrical Equipment, Hebei University of Technology, Tianjin, 300130, China. E-mail addresses: sjzheng@hebut.edu.cn (S. Zheng).Kaisheng Ming, Shuimiao Jiang, Xiaoyuan Niu, Bo Li, Xiaofang Bi, Shijian Zheng. High-temperature strength-coercivity balance in a FeCo-based soft magnetic alloy via magnetic nanoprecipitates[J]. J. Mater. Sci. Technol., 2021, 81: 36-42.
Fig. 1. Backscatter electron images of the FeCo-2 V alloy after annealing at (a) 670 °C, (b) 800 °C and (c) 850 °C for 2 h, and FeCo-2V-0.3Cr-0.2Mo alloy after annealing at (d) 670 °C, (e) 800 °C and (f) 850 °C for 2 h.
Fig. 2. Backscatter electron image for FeCo-2V-0.3Cr-0.2Mo alloy annealed at 800 °C and its corresponding elemental mappings of Fe, Co, V, Cr and Mo.
| Fe | Co | V | Cr | Mo | |
|---|---|---|---|---|---|
| Matrix | 49.8 | 48.0 | 1.8 | 0.3 | 0.2 |
| Precipitate | 42.2 | 50.6 | 4.7 | 1.2 | 1.3 |
Table 1 Compositions of the matrix and nanoprecipitate in FeCo-2V-0.3Cr-0.2Mo alloy annealed at 800 °C (at.%).
| Fe | Co | V | Cr | Mo | |
|---|---|---|---|---|---|
| Matrix | 49.8 | 48.0 | 1.8 | 0.3 | 0.2 |
| Precipitate | 42.2 | 50.6 | 4.7 | 1.2 | 1.3 |
Fig. 3. TEM micrographs of the FeCo-2V-0.3Cr-0.2Mo alloy annealed at 800 °C, showing three different types of nanoprecipitates: (a) band-like long precipitates at grain boundaries, (b) rod-like precipitates and (c) needle-like precipitates inside grains. (d) TEM image with the corresponding SAED pattern showing that precipitates are comprised of many band-like substructures with bcc structure. (e) HRTEM image of the interface between two band-like substructures inside the precipitate (marked by band-1 and band-2), with the FFT patterns inset. (f) TEM image of the FeCo-2 V alloy annealed at 800 °C, with the corresponding SAED pattern inset, showing single-phase ordered bcc structure. The orange lines in (a) and (f) indicate the grain boundaries.
Fig. 4. XRD patterns of the FeCo-2V-0.3Cr-0.2Mo and FeCo-2 V alloys annealed at 800 °C for 2 h.
Fig. 5. Variations of tensile strength (a) and total elongation (b) obtained at 600 °C for the FeCo-2V-0.3Cr-0.2Mo and FeCo-2 V alloys with various annealing temperatures.
Fig. 6. SEM micrographs of the fracture surfaces after tensile testing at 600 °C for FeCo-2 V alloy after annealing at (a) 670 °C, (b) 800 °C and (c) 850 °C for 2 h, and FeCo-2V-0.3Cr-0.2Mo alloy after annealing at (d) 670 °C, (e) 800 °C and (f) 850 °C for 2 h.
Fig. 7. TEM images of the 800 °C-annealed (a) and 850 °C-annealed (b) FeCo-2V-0.3Cr-0.2Mo alloy after tension to fracture at 600 °C, showing the dislocation accumulations around the precipitates. (c) TEM image of the 800 °C-annealed FeCo-2 V alloys after tension to fracture at 600 °C, showing long, straight dislocation lines.
Fig. 8. (a) Magnetic hysteresis curves of the annealed FeCo-2V-0.3Cr-0.2Mo alloys measured at 600 °C, (b) the variation of the coercivity with annealing temperature.
| [1] |
R.S. Sundar, S.C. Deevi, Int. Mater. Rev. 50 (2005) 157-192.
DOI URL |
| [2] |
T. Sourmail, Prog. Mater. Sci. 50 (2005) 816-880.
DOI URL |
| [3] |
A. Duckham, D.Z. Zhang, D. Liang, V. Luzin, R.C. Cammarata, R.L. Leheny, C.L. Chien, T.P. Weihs, Acta Mater. 51 (2003) 4083-4093.
DOI URL |
| [4] |
R.S. Sundar, S.C. Deevi, Intermetallics 12 (2004) 921-927.
DOI URL |
| [5] |
C. Chen, J. Appl. Phys. 32 (1961) S348-S355.
DOI URL |
| [6] |
R. Yu, S. Basu, L. Ren, Y. Zhang, A. Parvizi-Majidi, K. Unruh, J.Q. Xiao, IEEE Trans. Magn. 36 (2000) 3388-3393.
DOI URL |
| [7] | D.W. Clegg, R.A. Buckley, Met. Sci. 7 (1973) 48-54. |
| [8] |
A.I.C. Persiano, R.D. Rawlings, J. Mater. Eng. 12 (1990) 21-27.
DOI URL |
| [9] |
M. Aykol, A.O. Mekhrabov, M.V. Akdeniz, Intermetallics 18 (2010) 893-899.
DOI URL |
| [10] | E. George, A. Gubbi, I. Baker, L. Robertson, Mater. Sci. Eng. A 329 (2002)325-333. |
| [11] |
T.F. Babuska, M.A. Wilson, K.L. Johnson, S.R. Whetten, J.F. Curry, J.M. Rodelas, C. Atkinson, P. Lu, M. Chandross, B.A. Krick, J.R. Michael, N. Argibay, D.F. Susan, A.B. Kustas, Acta Mater. 180 (2019) 149-157.
DOI |
| [12] |
L. Ren, S. Basu, R.H. Yu, J.Q. Xiao, A. Parvizi-Majidi, J. Mater. Sci. 36 (2001)1451-1457.
DOI URL |
| [13] |
L. Zhao, I. Baker, Acta Metall. Mater. 42 (1994) 1953-1958.
DOI URL |
| [14] |
C.H. Shang, R.C. Cammarata, T.P. Weihs, C.L. Chien, J. Mater. Res. 15 (2000)835-837.
DOI URL |
| [15] |
Y. Zhang, R. Kang, Z. Dong, Q. Wang, X. Zhu, R. Xu, D. Guo, Mater. Des. 189 (2020) 108501.
DOI URL |
| [16] |
D.F. Susan, T. Jozaghi, I. Karaman, J.M. Rodelas, J. Mater. Res. 33 (2018)2168-2175.
DOI URL |
| [17] |
A.J. Albaaji, E.G. Castle, M.J. Reece, J.P. Hall, S.L. Evans, J. Mater. Sci. 52 (2017)13284-13295.
DOI URL |
| [18] |
J. Zhang, W. Li, X. Liao, H. Yu, L. Zhao, H. Zeng, D. Peng, Z. Liu, J. Mater. Sci. Technol. 35 (2019) 1877-1885.
DOI |
| [19] |
H. Peng, B. Liu, F. Liu, J. Mater. Sci. Technol. 43 (2020) 21-31.
DOI URL |
| [20] |
K. Ming, H. Wu, X. Bi, Mater. Charact. 130 (2017) 74-80.
DOI URL |
| [21] |
K. Ming, H. Wu, X. Bi, Intermetallics 69 (2016) 90-94.
DOI URL |
| [22] |
R. Sundar, S. Deevi, Intermetallics 12 (2004) 921-927.
DOI URL |
| [23] |
R.H. Yu, J. Zhu, J. Appl. Phys. 97 (2005) 053905.
DOI URL |
| [24] |
R.H. Yu, S. Basu, L. Ren, Y. Zhang, A. Parvizi-Majidi, K.M. Unruh, J.Q. Xiao, J. Appl. Phys. 85 (1999) 6655-6659.
DOI URL |
| [25] |
R.S. Sundar, S.C. Deevi, B.V. Reddy, J. Mater. Res. 20 (2005) 1515-1522.
DOI URL |
| [26] |
B. Nabi, A.L. Helbert, F. Brisset, G. André, T. Waeckerlé, T. Baudin, Mater. Sci. Eng. A 578 (2013) 215-221.
DOI URL |
| [27] |
C. Hou, Y. Shan, H. Wu, X. Bi, J. Alloys. Compd. 556 (2013) 51-55.
DOI URL |
| [28] |
Y. Shan, C. Chen, X. Bi, Intermetallics 54 (2014) 164-168.
DOI URL |
| [29] |
C. Liu, W. Peng, C. Jiang, H. Guo, J. Tao, X. Deng, Z. Chen, J. Mater. Sci. Technol. 35 (2019) 1175-1183.
DOI URL |
| [30] |
K.E. Knipling, M. Daniil, M.A. Willard, Appl. Phys. Lett. 95 (2009) 222516.
DOI URL |
| [31] |
H. Iwanabe, B. Lu, M.E. McHenry, D.E. Laughlin, J. Appl. Phys. 85 (1999)4424-4426.
DOI URL |
| [32] |
A. Duckham, D. Zhang, D. Liang, V. Luzin, R. Cammarata, R. Leheny, C. Chien, T. Weihs, Acta Mater. 51 (2003) 4083-4093.
DOI URL |
| [33] |
R. Gilles, M. Hofmann, F. Johnson, Y. Gao, D. Mukherji, C. Hugenschmidt, P. Pikart, J. Alloys. Compd. 509 (2011) 195-199.
DOI URL |
| [34] | A.I.C. Persiano, R.D. Rawlings, Phys. Status Solidi 103 (1987)547-556. |
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