Microstructure and magnetic properties of FeSiAl soft magnetic composites prepared by chemical in-situ coprecipitation with NaOH

Yi, Xuwu; Peng, Yuandong; Yao, Zhixin; Xia, Chao; Zhu, Shengzhi

doi:10.1016/j.matchemphys.2021.124626

Cited by 25 publications

(5 citation statements)

References 45 publications

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“…The fracture toughness of the composite containing 100 nm particles was 134 N, while the compressive strength was 30 N (the force required to destroy the composite). In contrast, reports in [6] indicate that the formation of a coating on FeSiAl powder by immersion in NaOH yielded only a slight increase in saturation magnetisation.…”

Section: Simulation Of Magnetic Properties Of Composites Based On Mag...mentioning

confidence: 74%

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3D Printing of Composite Material for Electromechanical Energy Harvesters

et al. 2022

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In this paper, a novel, composite material is proposed based on ferromagnetic wires immersed in a polymer that is well suited for 3D printing. The magnetic properties of this material are examined using FEM and compared with the properties of a more traditional composite based on magnetic powder. For a 50% ferromagnetic volume in the material, the proposed composite has a 67% higher value of saturation magnetic flux density and 87% higher value of maximum permeability, compared with the powder-based material. The authors believe that the proposed material could be used in the manufacturing of small electromechanical devices such as energy harvesters, thus vastly widening the possible fields of application related to 3D printing techniques.

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Section: Simulation Of Magnetic Properties Of Composites Based On Mag...mentioning

confidence: 74%

“…Coatings produced under pressure (mechanofusion) by compaction under pressure were studied in [6]. An iron powder coated with a Ni-Zn/Cu-Zn layer was produced in this way.…”

Section: Simulation Of Magnetic Properties Of Composites Based On Mag...mentioning

confidence: 99%

3D Printing of Composite Material for Electromechanical Energy Harvesters

et al. 2022

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“…Table 1 shows the changes of P cv and μ with different MoS 2 content. This work is compared with previous articles, as shown in table 2 [25,29,30].…”

Section: Results and Analysismentioning

confidence: 99%

“…Based on previous studies, reducing hysteresis loss is mainly achieved by increasing the magnetic permeability of materials [9,10]. Reducing eddy current loss is mainly achieved by coating the surface with an insulating layer with high resistivity [11,12]. The common insulating layers mainly include organic and inorganic layers.…”

Section: Introductionmentioning

confidence: 99%

The preparation and magnetic properties of FeSiCr/MoS₂ soft magnetic composites

Li,

Feng,

Kan

et al. 2024

Phys. Scr.

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Two-dimensional layered material MoS2 was used as a high-resistance insulating material and coated on FeSiCr magnetic powder, and FeSiCr/MoS2 composites with low loss and high permeability were successfully prepared. The morphology and magnetic properties of FeSiCr/MoS2 composites were analyzed by XRD, SEM and B-H analyzer. The results show that although the addition of MoS2 will dilute the magnetic properties of FeSiCr, it still has high permeability and obviously reduces the magnetic loss of FeSiCr powder. At the same time, the addition of MoS2 also improves the frequency stability and quality factor of the composite powder cores. Especially, when the MoS2 content is 1.5 wt%, FeSiCr/MoS2 composites show the best magnetic properties after annealing at 500 ℃. with a loss of 330 mW/cm3 and permeability of 66.75 (Bm =20 mT and f =1000 kHz). It can be seen that the MoS2 coating has a good effect on reducing the magnetic loss of powder core, which significantly improves the possibility of application of SMCs at high frequency.

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“…The composite of ferrite materials on the surface of an FeSiAl alloy has been an effective method used to regulate magnetic properties. For example, to solve problems of low permeability and high hysteresis loss for the powder core, one effective solution is using the magnetic material with a high resistivity to form the insulating layer [ 3 , 6 , 7 ]. In addition, the practical application of the pure flaky FeSiAl for excellent microwave absorption is still limited by magneto-electric properties.…”

Section: Introductionmentioning

confidence: 99%

Evolution of the Morphology and Magnetic Properties of Flaky FeSiAl/MFe2O4 (M = Mn, Co, Ni, Cu, Zn) Composites

Lei

Wang

et al. 2023

Nanomaterials

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Nanosized spinel ferrites MFe2O4 (M = Mn, Co, Ni, Cu, Zn)-coated flaky FeSiAl alloy composites were synthesized successfully. Nano-ferrites preferentially grow into nanoplatelets due to induced or restricted growth on the flaky surface of FeSiAl. With annealing temperature increasing, the ferrites’ nanosheets thicken gradually and then grow into irregular particles. The annealing temperature not only affects the nanosized morphology and coating but also the magnetic properties of flaky FeSiAl composites. The saturation magnetization of CuFe2O4- or NiFe2O4-coated FeSiAl is approximate 69 emu/g, where the value of MnFe2O4-, CoFe2O4- and ZnFe2O4-coated FeSiAl show a decreasing trend generally from 64 emu/g to 55.7 emu/g annealing at 800 °C, respectively. The saturation magnetization of flaky FeSiAl composites was improved with the increased annealing temperature, except for those coated with ZnFe2O4 and NiFe2O4. These results are useful for improving the comprehensive properties of ferrite-coated flaky FeSiAl alloy composites.

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Microstructure and magnetic properties of FeSiAl soft magnetic composites prepared by chemical in-situ coprecipitation with NaOH

Cited by 25 publications

References 45 publications

3D Printing of Composite Material for Electromechanical Energy Harvesters

3D Printing of Composite Material for Electromechanical Energy Harvesters

The preparation and magnetic properties of FeSiCr/MoS₂ soft magnetic composites

Evolution of the Morphology and Magnetic Properties of Flaky FeSiAl/MFe2O4 (M = Mn, Co, Ni, Cu, Zn) Composites

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Microstructure and magnetic properties of FeSiAl soft magnetic composites prepared by chemical in-situ coprecipitation with NaOH

Cited by 25 publications

References 45 publications

3D Printing of Composite Material for Electromechanical Energy Harvesters

3D Printing of Composite Material for Electromechanical Energy Harvesters

The preparation and magnetic properties of FeSiCr/MoS2 soft magnetic composites

Evolution of the Morphology and Magnetic Properties of Flaky FeSiAl/MFe2O4 (M = Mn, Co, Ni, Cu, Zn) Composites

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The preparation and magnetic properties of FeSiCr/MoS₂ soft magnetic composites