Nanocrystalline structure formation and magnetic hysteresis properties of Y-Fe-Co-B alloys

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F10%3A00355598" target="_blank" >RIV/68378271:_____/10:00355598 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Nanocrystalline structure formation and magnetic hysteresis properties of Y-Fe-Co-B alloys
Original language description
In the present work a study of the influence of structural state on magnetic hysteresis properties of Y2(Fe1-xCox)14B compounds was carried out. Starting alloys were prepared by induction melting in an Ar atmosphere. Y-Fe-Co-B alloys with a nanograin structure were obtained by various techniques such as a severe plastic deformation (SPD) and by the classical melt spinning. Electron microscopy and X-ray analysis were used for the structural investigation. The magnetization measurements were performed using a SQUID magnetometer. It is shown that the relatively high values of coercive force are observed in such weakly-anisotropic alloys as Y2(Fe1-xCox)14B in case of achieved nano-grain structure. The effect of remanence enhancement is observed in rapidlyquenched Y2Fe14B alloys at T = 4.2 K. The influence of hydrogen on magnetic hysteresis properties is studied as well.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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