Wszystkie pola: P2B - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of Nb Addition on Magnetic Properties of the Nanocrystalline $(Nd₁₀Fe₆₇B₂₃)_{100-x}Nbₓ$ (where x = 1, 2, 4) Alloy Ribbons
Autorzy:: Szwaja, M.
Pawlik, K.
Pawlik, P.
Gębara, P.
Michalski, B.
Powiązania:: https://bibliotekanauki.pl/articles/1387907.pdf
Data publikacji:: 2015-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.20.En
75.75.-c
75.75.Cd
Opis:: In the present work the magnetic properties and phase constitution of $(Nd₁₀Fe₆₇B₂₃)_{100-x}Nbₓ$ (where x = 1, 2, 4) alloys in the form of ribbons were investigated. The base alloys were prepared by arc-melting the high purity elements with pre-alloyed Fe-B under an Ar atmosphere. The ribbon samples were obtained by controlled atmosphere melt-spinning technique. In order to generate the nanocrystalline microstructure and hard magnetic properties, samples were annealed at various temperatures (from 923 K to 1023 K) for 5 min. The aim of the present work was to determine the influence of Nb admixture and annealing conditions on the phase constitution and magnetic properties.
Źródło:: Acta Physica Polonica A; 2015, 127, 2; 623-625
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Characterization of phase constitution and magnetic properties of the hard magnetic nanocrystalline Nd9.5Fe63.65B21.85Nb5 alloy ribbons
Autorzy:: Szwaja, M.
Pawlik, K.
Wysłocki, J. J.
Pawlik, P.
Gębara, P.
Powiązania:: https://bibliotekanauki.pl/articles/147840.pdf
Data publikacji:: 2013
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: magnetic properties NdFeB alloys
nanocrystalline ribbon
Nd2Fe14B
X-ray diffractometry
Opis:: In order to investigate the phase constitution of the nanocrystalline Nd9.5Fe63.65B21.85Nb5 alloy ribbons in the as-cast state and after short-time annealing Mossbauer study has been carried out. In as-cast state, ribbon samples were not fully amorphous but revealed soft magnetic properties. X-ray diffraction analysis showed the presence of hard magnetic Nd2Fe14B, metastable Nd2Fe23B3 and paramagnetic Nd1+epsilonFe4B4 phases in annealed samples. Mossbauer spectroscopy was used to determine the fractions of constituent phases formed during annealing of ribbons. Magnetic measurements were made with a vibrating sample magnetometer (VSM) and have shown that with increasing annealing temperature the remanence polarization Jr and maximum energy product (BH)max values were increasing.
Źródło:: Nukleonika; 2013, 58, 1; 159-163
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Magnetic Properties and Phase Constitution of the Nanocrystalline $(Nd_{10}Fe_{67}B_{23})_{100-x}Nb_{x}$ (where x=1, 2, 3, 4) Alloy Ribbons
Autorzy:: Kaźmierczak, M.
Pawlik, K.
Pawlik, P.
Gębara, P.
Przybył, A.
Wysłocki, J.
Powiązania:: https://bibliotekanauki.pl/articles/1402329.pdf
Data publikacji:: 2015-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.20.En
91.60.Pn
Opis:: In the present work the magnetic properties and phase constitution of $(Nd_{10}Fe_{67}B_{23})_{100-x}Nb_{x}$ (where x=1, 2, 3, 4) alloys in a form of ribbons were investigated. The ribbon samples were obtained by controlled atmosphere melt-spinning technique. In order to generate the nanocrystalline microstructure, ribbons were annealed at various temperatures (from 923 K to 1023 K) for 5 min. Subsequent annealing resulted in an evolution of the phase constitution accompanied by a change of their magnetic properties. The X-ray diffraction studies show presence of hard magnetic $Nd_{2}Fe_{14}B$, paramagnetic $Nd_{1+\epsilon}Fe_{4}B_{4}$ and ferromagnetic metastable $Nd_{2}Fe_{23}B_{3}$ phases. The best hard magnetic parameters were measure for annealed ribbons of the $(Nd_{10}Fe_{67}B_{23})_{96}Nb_{4}$ alloy.
Źródło:: Acta Physica Polonica A; 2015, 128, 1; 91-93
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: The Bulk Glass Forming Ability and Magnetic Properties of $Pr_9Fe_{50 + x}Co_{13}Zr_1Nb_4B_{23 - x}$ (x = 0, 2, 5, 8) Alloys
Autorzy:: Pawlik, K.
Pawlik, P.
Wysłocki, J.
Powiązania:: https://bibliotekanauki.pl/articles/1534352.pdf
Data publikacji:: 2010-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.50.Ww
75.50.Kj
71.20.Eh
Opis:: In the present study the rapidly quenched $Pr_9Fe_{50 + x}Co_{13}Zr_1Nb_4B_{23 - x}$ (x = 0, 2, 5, 8) alloy samples produced in a form of 100 $mm^2$ plate of various thicknesses were investigated. The X-ray diffraction revealed changes in the phase constitution of as-cast samples depending on the alloy composition and plate thickness. The presence of hard magnetic $Pr_2(Fe,Co)_{14}B$ phase was observed in 0.5 mm thick plates of the x = 8 alloy, while fully glassy structure was shown in 0.5 mm thick plates of the x = 0 alloy. It was shown in the present paper that magnetic properties of annealed samples originated from different microstructure of as-cast samples.
Źródło:: Acta Physica Polonica A; 2010, 118, 5; 900-902
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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