FePCCu nanocrystalline alloys with excellent soft magnetic properties

Jin, Yunlong; Fan, Xingdu; He, Meng; Liu, Xincai; Shen, Baolong

doi:10.1007/s11431-012-4928-0

Cited by 27 publications

(11 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…To highlight the exceptional high B s of (Fe 0.8 Co 0.2 ) 85 ANT alloy, we collected the existing data of Fe‐based nanocrystalline alloys (FINEMET‐type, NANOPERM‐type, HITPERM‐type, Fe‐(BSiPC)‐Cu‐type, Fe‐(BSiPC)‐type) and typical silicon steels previously reported, [ 9,11,19,27–31,40–56 ] and present these data with the mass fraction of ferromagnetic elements ( Figure a). Normally, increasing ferromagnetic element content results in higher B s and inferior GFA.…”

Section: Excellent Magnetic Propertiesmentioning

confidence: 99%

“…Summary of the excellent soft magnetic properties (e.g., B s and H c ) and thermal characteristic parameters of typical Fe‐based nanocrystalline alloys. [ 9,11,19,27–31,40–56 ] a) Variation of B s and GFA with the mass fraction of ferromagnetic element for FINEMET‐type, NANOPERM‐type, HITPERM‐type, Fe‐(BSiPC)‐Cu‐type, Fe‐(BSiPC)‐type nanocrystalline alloys, and typical silicon steels. b) Relation between maximum B s and H c value for FINEMET‐type, NANOPERM‐type, HITPERM‐type, other Cu‐free, and other Cu‐doped nanocrystalline alloys.…”

Section: Excellent Magnetic Propertiesmentioning

confidence: 99%

“…b) Relation between maximum B s and H c value for FINEMET‐type, NANOPERM‐type, HITPERM‐type, other Cu‐free, and other Cu‐doped nanocrystalline alloys. [ 9,11,19,27–31,40–56 ] c) Relation between Δ T x and T x1 values for nanocrystalline alloys with high B s exceeding 1.6 T. [ 11,27–30,40–47 ]…”

Section: Excellent Magnetic Propertiesmentioning

confidence: 99%

See 2 more Smart Citations

Exceptionally High Saturation Magnetic Flux Density and Ultralow Coercivity via an Amorphous–Nanocrystalline Transitional Microstructure in an FeCo‐Based Alloy

Zhou

Shen

et al. 2022

Advanced Materials

View full text Add to dashboard Cite

High saturation magnetic flux density (Bs) of soft magnetic materials is essential for increasing the power density of modern magnetic devices and motor machines. Yet, increasing Bs is always at the expense of high coercivity (Hc), presenting a general trade‐off in the soft magnetic material family. Here, superior comprehensive soft magnetic properties, i.e., an exceptionally high Bs of up to 1.94 T and Hc as low as 4.3 A m−1 are unprecedentedly combined in an FeCo‐based alloy. This alloy is obtained through a composition design strategy to construct a transitional microstructure between amorphous and traditional nanocrystalline alloys, with nanocrystals (with < 5 nm‐sized crystal‐like regions around) sparsely dispersed in an amorphous matrix. Such transitional microstructure possesses extremely low magnetic anisotropy caused by the annihilation of quasi‐dislocation dipoles, and a strong magnetic exchange interaction, which leads to excellent comprehensive magnetic properties. The results provide useful guidelines for the development of the next generation of soft magnetic materials, which are promising for applications of high‐frequency, high‐efficiency, and energy‐saving devices.

show abstract

Section: Excellent Magnetic Propertiesmentioning

confidence: 99%

Section: Excellent Magnetic Propertiesmentioning

confidence: 99%

See 1 more Smart Citation

Exceptionally High Saturation Magnetic Flux Density and Ultralow Coercivity via an Amorphous–Nanocrystalline Transitional Microstructure in an FeCo‐Based Alloy

Zhou

Shen

et al. 2022

Advanced Materials

View full text Add to dashboard Cite

show abstract

“…For years, scientists made a thorough and systematic study on existing nanocrystalline alloy system to explain the original of excellent soft magnetic properties, in order to establish the crystallization mechanism and realize magnetic properties control [5][6][7][8][9][10][11][12][13]. Then, on the basis of the above theoretical research, many kinds of nanocrystalline soft magnetic alloys were subsequently synthesized such as FeBCu [14,15], FeSiBPCu [16][17][18], FePCCu [19], FePCu [20] and FeNbBCu [21]. However, these alloys contained either precious metal element Nb or more than 14% of the expensive element B, which increases the material cost, or contained volatile element P, the composition is difficult to precisely control, thus limited their application.…”

Section: Introductionmentioning

confidence: 99%

Crystallization behavior and magnetic properties in High Fe content FeBCSiCu alloy system

Fan

Shen

2015

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

“…大量研究表明, 类金属元素的添加不仅可以提高合金的非晶形成能力, 而且改善合金的软磁性能, 但其饱和磁感值不可避免地降低 [10−12] . 这种类金属添加不利的影响主要考虑到在有类金属与过渡金属元素的合金系中将发生p-d杂化, 即类金属元素如B, C, Si和P等的外层p电子参与过渡金属元素Fe/Co的3d未填满壳层配对 [13,14] . 参与成键的p电子越多, Fe/Co原子剩余未配对的电子数越少, 这将直接影响铁磁性元素的有效磁矩, 进而导致合金整体磁性能的下降.…”

unclassified

Effects of adding B element on amorphous forming ability, magnetic properties, and mechanical properties of FePBCCu alloy

Sun¹,

Peng-Fei²,

Shang³

et al. 2023

Acta Phys. Sin.

View full text Add to dashboard Cite

Fe-based amorphous alloys are widely used in power electronics fields such as transformers and reactors owing to their low coercivity, high permeability and low loss. However, the relatively low saturation magnetization (Bs) restricts their further application. Generally speaking, the adjustable magnetic Fe content as an effective strategy can ameliorate the magnetic properties, and the higher Fe content is, the much higher Bs can be obtained, but the decrease of the corresponding non-magnetic element content will lead to the drop of the amorphous forming ability of alloys, resulting in the deterioration of the magnetic softness and bending ductility of nanocrystalline alloys. To address this critical issue, in this work, based on the metal-metalloid hybridization, the FePBCCu amorphous ribbons with thickness of ~25 μm were prepared by the single-roller melt spinning method via 7 at.% B substitution for P, and the effects of B addition on the amorphous forming ability, magnetic properties and mechanical properties of ribbons were investigated. Thermodynamic behavior revealed that small size B addition can decline the structural heterogeneity of alloy and reduce the driving force of crystallization, thus effectively improving the thermal stability of the amorphous matrix. The melting and solidification curves showed that the B addition can promote alloy close to the eutectic composition and have a large degree of undercooling. As a result, the critical thickness of ribbons increased from ~21 μm for B-free alloy to ~30 μm for B-added alloy owing to the micro-alloying effect. The B addition increased the effective magnetic moment of magnetic atoms in alloy, resulting in the increase of the saturation magnetization. Furthermore, the results of nanoindentation tests showed that the reduced modulus value of the B-added alloy is larger and fluctuates in a smaller range than that of the B-free alloy, which is closely associated with the structural uniformity of the alloy.

show abstract

FePCCu nanocrystalline alloys with excellent soft magnetic properties

Cited by 27 publications

References 20 publications

Exceptionally High Saturation Magnetic Flux Density and Ultralow Coercivity via an Amorphous–Nanocrystalline Transitional Microstructure in an FeCo‐Based Alloy

Exceptionally High Saturation Magnetic Flux Density and Ultralow Coercivity via an Amorphous–Nanocrystalline Transitional Microstructure in an FeCo‐Based Alloy

Crystallization behavior and magnetic properties in High Fe content FeBCSiCu alloy system

Effects of adding B element on amorphous forming ability, magnetic properties, and mechanical properties of FePBCCu alloy

Contact Info

Product

Resources

About