Phase transformations of Fe73.5Cu1Nb3Si15.5B7 amorphous alloy upon thermal treatment

Gavrilović, Aleksandar; Minić, Dušan M.; Rafailović, Lidija D.; Angerer, P.; Wosik, J.; Maricic, A.; Minić, Duško

doi:10.1016/j.jallcom.2010.05.145

Cited by 30 publications

(12 citation statements)

References 25 publications

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“…The process of crystallization involves three well-defined broad asymmetric exothermic peaks (T k1 = 800 K, T k2 = 896 K and T k3 = 966 K) indicating a stepwise process of the structural transformations/crystallization of the alloy. XRD investigations of the as prepared Fe 73.5 Cu 1 Nb 3 Si 15.5 B 7 alloy confirmed the absence of long range ordering [2]. The FIB imaging conducted in combination with EDX and EBSD analysis confirmed the presence of Cu clusters and the formation of ␣-Fe-Si in the early stages of annealing.…”

Section: Resultsmentioning

confidence: 73%

“…Our previous study [2], explains microstructural transformations upon annealing in more detail. It was found that structural composition remained unchanged up to 873 K, when formation of the crystalline phase FeCu 4 (ICDD-PDF 03-065-7002) started.…”

Section: Resultsmentioning

confidence: 92%

“…The soft magnetic amorphous alloys have been widely studied for their superior magnetic properties and potential application in power electronic components [1][2][3][4]. These materials have many technical advantages over traditional soft magnetic iron alloys: very high permeability, high saturation induction, low coercitivity field strengths, low magnetic reversal losses, low eddy current losses and high Curie temperature [8].…”

Section: Introductionmentioning

confidence: 99%

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Influence of thermal treatment on structure development and mechanical properties of amorphous Fe73.5Cu1Nb3Si15.5B7 ribbon

Gavrilović

Rafailović

Minić

et al. 2011

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 73%

Section: Resultsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Influence of thermal treatment on structure development and mechanical properties of amorphous Fe73.5Cu1Nb3Si15.5B7 ribbon

Gavrilović

Rafailović

Minić

et al. 2011

Journal of Alloys and Compounds

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“…Kurlyandskaya et al [10] used the XRD to analyze the texture features in soft nanocrystalline FeCrSiBNbCu alloys and for different compositions it was shown that stress annealing typically results in no texturing [36]. Figure 4 shows the XRD patterns of an FeCuNbSiB sample annealed at 973K studied by Gavrilovic et al [37] which revealed the different phases which become present after the sample has been subjected to the annealing process.…”

Section: X-ray Diffractionmentioning

confidence: 99%

“…Details of the interaction is captured by a detector. Because, we want the Gavrilovic et al [37]. information obtained to be accurate enough, samples are normally subjected to incident x-ray beams at different angles which results in different diffraction angles [34].…”

Section: Transmission X-ray Diffractionmentioning

confidence: 99%

Research Progress of Stress-Induced Magnetic Anisotropy in Fe-Based Amorphous and Nanocrystalline Alloys

Nutor¹,

Fan²,

Ren³

et al. 2017

JEMAA

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Since it was discovered that stress annealing induced larger anisotropies compared to other annealing methods in amorphous and nanocrystalline alloys, there has been a lot of research done to explain this phenomenon. This has led to many suggestions about the origin of this stress-induced magnetic anisotropy, but till now the origin is explained with two competing models: the magnetoelastic effect model and the diatomic pair ordering model. In spite of these theories, the origin of the stress-induced anisotropy is still under discussion because direct observation of structural anisotropy is still lacking. In this paper, we have reviewed some of the characterization techniques which have been used to discuss the origin of stress-induced magnetic anisotropy and the progress which has been made thus far in unifying all the contrasting views which has been suggested to be the origin of the stress-induced anisotropy in FINEMET alloys.

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EXAFS studies of nanostructured Finemet‐type alloys

Swilem

2013

Crystal Research and Technology

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The nanostructure of nanocrystalline Fe66Cr8Cu1Nb3Si13B9 alloys has been studied using extended X‐ray absorption fine structure (EXAFS) and analyzed by the cumulant method. Application of the cumulant method enables us to determine the nearest‐neighbor interatomic distance and the coordination number for chromium and copper atoms, and thus we are able to obtain detailed knowledge about the role of both Cr and Cu in the structure of nanocrystals at various stages of crystallization. A detailed analysis of the distribution of alloying elements in the grains and grain boundaries reveals the accumulation of Cr in the surrounding of Fe(Si) nanocrystals. The presence of Cr in the surroundings of Fe(Si) can influence the content's arrangement of the nanograins, allowing diffusion of Si atoms in the grain boundaries. Simulated X‐ray absorption spectra of the model produced by FEFF9.05 and the proposed Cu clustering of 19 atoms with average cluster size of about 0.4 nm show a good resemblance to the experimental data of the Cu k‐edge.

show abstract

Phase transformations of Fe73.5Cu1Nb3Si15.5B7 amorphous alloy upon thermal treatment

Cited by 30 publications

References 25 publications

Influence of thermal treatment on structure development and mechanical properties of amorphous Fe73.5Cu1Nb3Si15.5B7 ribbon

Influence of thermal treatment on structure development and mechanical properties of amorphous Fe73.5Cu1Nb3Si15.5B7 ribbon

Research Progress of Stress-Induced Magnetic Anisotropy in Fe-Based Amorphous and Nanocrystalline Alloys

EXAFS studies of nanostructured Finemet‐type alloys

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