Manufacturing of the bulk amorphous Fe61Co10Zr2+xHf3−xW2Y2B20 alloys (where x=1, 2, 3) their microstructure, magnetic and mechanical properties

Nabiałek, M.; Dośpiał, M.; Szota, M.; Olszewski, J.; Walters, Simon

doi:10.1016/j.jallcom.2011.01.158

Cited by 17 publications

(4 citation statements)

References 15 publications

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“…The maximum value of the bending strength parameter was found to be 465.75 MPa which is typical for this type of materials [13][14][15] .…”

Section: Resultsmentioning

confidence: 75%

“…From the analysis of the high-field Holstein-Primakoff paraprocess, parameter D sp was found, its value indicating a high concentration of magnetic atoms per unit volume, and confirming the high value of the saturation magnetization 11 . The investigated alloy has a microhardness value of approximately 1350 HV, which is slightly higher than that for the iron-based bulk amorphous alloys [13][14][15][16] . In conclusion, the investigated material has strong application prospects, especially in the electrotechnical industry where it may be used as a material for efficient magnetic cores.…”

Section: Discussionmentioning

confidence: 99%

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Microstructure, magnetic and mechanical properties of the bulk amorphous alloy Fe61Co10Ti4Y5B20

Błoch¹,

Nabiałek²,

Gondro³

2015

Mater. Tehnol.

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This paper presents the results of the studies into the microstructure, the magnetic and mechanical properties of bulk amorphous alloy samples. The samples were produced in the form of rods, using the suction-casting method. The structure and microstructure of the prepared samples were examined using an X-ray diffractometer, a scanning electron microscope and a computer tomograph. The magnetic and mechanical properties were studied using a Lakeshore vibrating-sample magnetometer, a Zwick testing machine and a FutureTech microhardness tester. On the basis of the obtained results, it was found that, throughout their volumes, the investigated rods have an amorphous structure. Using computer tomography, three-dimensional images of the tested samples were reconstructed, enabling the imaging of the material defects occurring throughout the bulk volumes of the samples. Additionally, the tested Fe-based material should be included in the subset of the electrotechnical materials exhibiting good soft magnetic and mechanical properties. In view of their properties, these materials can be successfully used in energy-efficient transformers, replacing the conventional Fe-Si steel in this and other applications. Keywords: bulk amorphous alloys, electron scanning microscopy, computer tomography, saturation magnetization, coercivitŷ lanek predstavlja rezultate {tudija mikrostrukture, magnetnih in mehanskih lastnosti vzorcev masivne amorfne zlitine. Le-ti so bili izdelani v obliki palic z uporabo ulivanja z nasesavanjem. Struktura in mikrostruktura pripravljenih vzorcev je bila preiskovana z rentgenskim difraktometrom, z vrsti~nim elektronskim mikroskopom in z ra~unalni{kim tomografom. Magnetne in mehanske lastnosti so bile preiskovane z magnetometrom z vibrirajo~im vzorcem Lakeshore, s preizkusno napravo Zwick in z merilnikom mikrotrdote FutureTech. Dobljeni rezultati so pokazali, da imajo preiskovane palice po vsem volumnu amorfno strukturo. Z ra~unalni{ko tomografijo so bile pripravljene 3D-slike preiskovanih vzorcev, kar omogo~a ugotavljanje napak v materialu, ki se pojavljajo po vsem volumnu vzorca. Preizku{eni materiali na osnovi`eleza naj bi bili vklju~eni v podskupino materialov za elektrotehniko z dobrimi mehkomagnetnimi in mehanskimi lastnostmi. Glede na njihove lastnosti bi bili lahko ti materiali uspe{no uporabljeni za energijsko u~inkovite transformatorje, kjer bi nadomestili Fe-Si-jekla, in tudi na drugih podro~jih. Klju~ne besede: masivne amorfne zlitine, vrsti~na elektronska mikroskopija, ra~unalni{ka tomografija, nasi~enje magnetenja, koercitivnost

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“…The maximum value of the bending strength parameter was found to be 465.75 MPa which is typical for this type of materials [13][14][15] .…”

Section: Resultsmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Microstructure, magnetic and mechanical properties of the bulk amorphous alloy Fe61Co10Ti4Y5B20

Błoch¹,

Nabiałek²,

Gondro³

2015

Mater. Tehnol.

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“…In the literature on amorphous and nanocrystalline materials [18][19][20][21][22][23], there are many examples of alloys containing Zr and/or Y. Based on these and our own studies, it can be postulated that a higher Zr and/or Y content in the alloy causes a significant deterioration in the so-called soft magnetic properties; this can be observed as: reduction in saturation magnetization and magnetic permeability values and increase of the coercivity and core losses over a single magnetization-demagnetization cycle.…”

Section: Introductionmentioning

confidence: 99%

Investigation of magnetic properties of Fe61Co8Zr4−xY2+xNi5Nb5B15 amorphous alloys (x=0, 1) in the form of ribbons

Nabiałek¹,

Dośpiał²,

Szota³

et al. 2013

Materials Science and Engineering: B

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“…Some of the first bulk amorphous magnetic materials based on Fe were prepared in 1995. Since then, a number of bulk amorphous alloys, based on Fe, Co or Ni, characterized by good soft magnetic and mechanical properties, were created [3][4][5][6][7][8]. The following qualities make these materials extremely attractive for application:high saturation magnetization, negligible value of coercivity field and low core losses, in combination with high microhardness as well as wear and corrosion resistance [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Effect of Co on the microstructure, magnetic properties and thermal stability of bulk Fe73−xCoxNb5Y3B19 (where x=0 or 10) amorphous alloys

Nabiałek

Szota

Dośpiał

2012

Journal of Alloys and Compounds

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Manufacturing of the bulk amorphous Fe61Co10Zr2+xHf3−xW2Y2B20 alloys (where x=1, 2, 3) their microstructure, magnetic and mechanical properties

Cited by 17 publications

References 15 publications

Microstructure, magnetic and mechanical properties of the bulk amorphous alloy Fe61Co10Ti4Y5B20

Microstructure, magnetic and mechanical properties of the bulk amorphous alloy Fe61Co10Ti4Y5B20

Investigation of magnetic properties of Fe61Co8Zr4−xY2+xNi5Nb5B15 amorphous alloys (x=0, 1) in the form of ribbons

Effect of Co on the microstructure, magnetic properties and thermal stability of bulk Fe73−xCoxNb5Y3B19 (where x=0 or 10) amorphous alloys

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