Industrialization of a FeSiBNbCu nanocrystalline alloy with high Bs of 1.39 T and outstanding soft magnetic properties

Xiao, Hao; Wang, Anding; Zhao, Chengliang; He, Aina; Zhang, Guoyang; Li, Hu; Li, Run-Wei; Liu, Xincai

doi:10.1007/s10854-018-0082-1

Cited by 9 publications

(4 citation statements)

References 32 publications

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“…In addition, the annealing time can be over 60 min in the optimal temperature range of 510-570 °C, indicating the good annealing process window of the alloys. Compared with the previously reported Fe76Cu1Nb2B8Si13 [10,32], Fe76-xCu1Nb2B8Si13Mnx [33], Fe76Cu1Nb2B7Si13P1 and Fe76Cu1Nb1.5B8Si13Mo0.5 alloys [21], the present Fe76Cu0.8Nb2.2B8Si12P1 alloy has better annealing processability and superior overall magnetic properties. more than 3000.…”

Section: Resultscontrasting

confidence: 47%

“…In addition, the annealing time can be over 60 min in the optimal temperature range of 510-570 • C, indicating the good annealing process window of the alloys. Compared with the previously reported Fe 76 Cu 1 Nb 2 B 8 Si 13 [10,32], Fe 76−x Cu 1 Nb 2 B 8 Si 13 Mn x [33], Fe 76 Cu 1 Nb 2 B 7 Si 13 P 1 and Fe 76 Cu 1 Nb 1.5 B 8 Si 13 Mo 0.5 alloys [21], the present Fe 76 Cu 0.8 Nb 2.2 B 8 Si 12 P 1 alloy has better annealing processability and superior overall magnetic properties. According to Herzer's random anisotropy model, the Hc of nanocrystalline alloys is proportional to the sixth power of grain size for grain sizes below about 50 nm [36].…”

Section: Resultsmentioning

confidence: 63%

“…Recently, we fabricated an Fe 76 Cu 1 Nb 2 B 8 Si 13 nanocrystalline alloy with good soft magnetic properties and manufacturability [10,32]. However, the low µ limits its application.…”

Section: Introductionmentioning

confidence: 99%

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Structural and Magnetic Properties of P Microalloyed Fe76Cu0.8Nb2.2B9Si12 Alloys

Ding

Wang

et al. 2021

Metals

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The development of Fe-based nanocrystalline alloys with high saturation magnetization (Bs), excellent magnetic softness and good manufacturability is highly desirable. Here, the effect of substituting 1 at% P for B and Si on the thermal stability, microstructure and magnetic properties of Fe76Cu0.8Nb2.2B9Si12 alloy has been studied in detail. It was found that replacing B with P effectively reduces the coercivity (Hc) of the alloy without deteriorating the Bs and permeability (μ). However, replacing Si with P has little effect on the Hc and Bs, yet significantly reduces the μ. The variation in the magnetic properties can be well understood from the evolution of the microstructure and magnetic anisotropy induced by P microalloying. The Fe76Cu0.8Nb2.2B8Si12P1 alloy with a good processing window, a high Bs of 1.41 T, a great μ of 29,000 at 1 kHz and a low Hc of 0.6 A/m is suitable for high-power electronic devices.

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Section: Resultscontrasting

confidence: 47%

Section: Resultsmentioning

confidence: 63%

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Structural and Magnetic Properties of P Microalloyed Fe76Cu0.8Nb2.2B9Si12 Alloys

Ding

Wang

et al. 2021

Metals

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“…In our previous work, a representative Fe 76 Si 13 B 8 Nb 2 Cu 1 nanocrystalline alloy with a good magnetic softness and manufacturability was developed [20,21]. Compared with non-magnetic metals, Mn has less negative influence on B s and can increase the crystalline volume fraction and thermal stability of the nanocrystalline alloys [22][23][24], while the magnetic softness is not improved by normal-annealing (NA).…”

Section: Introductionmentioning

confidence: 99%

Rapid Annealing Optimizing Magnetic Softness and Thermal Stability of Mn-Substituted Fe-Based Nanocrystalline Alloys

Zhang

Yang

et al. 2020

Metals

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Good high-frequency magnetic softness and thermal stability are very important for the wide application of Fe-based nanocrystalline alloys. The present work reports the influence of Mn-doping and rapid annealing on the magnetic softness, nano-structure, and magnetic-microstructure of Fe76−xSi13B8Nb2Cu1Mnx (x = 0, 1, 2, 3, and 4) alloys. It was found that the Fe74Si13B8Nb2Cu1Mn2 alloy exhibits a superior magnetic softness with the high-saturation magnetic induction of 1.32 T and a large permeability at 100 kHz of over 15,000 at a large annealing-temperature region of 120 °C. The microstructure and magnetic domains characterization indicate that the good magnetic softness and thermal stabilization can be ascribed to the superb nano-structural stability caused by the Mn doping and rapid annealing at elongated temperatures, which can maintain a fine and high number density α-Fe(Si) nano-grains and facilitate the formation of regular and wide domains.

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Spark plasma sintering of Fe–Si–B–Cu–Nb / Finemet based alloys

et al. 2021

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Industrialization of a FeSiBNbCu nanocrystalline alloy with high Bs of 1.39 T and outstanding soft magnetic properties

Cited by 9 publications

References 32 publications

Structural and Magnetic Properties of P Microalloyed Fe76Cu0.8Nb2.2B9Si12 Alloys

Structural and Magnetic Properties of P Microalloyed Fe76Cu0.8Nb2.2B9Si12 Alloys

Rapid Annealing Optimizing Magnetic Softness and Thermal Stability of Mn-Substituted Fe-Based Nanocrystalline Alloys

Spark plasma sintering of Fe–Si–B–Cu–Nb / Finemet based alloys

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