Crystallization Processes of R_{4.5}Fe_{77}B_{18.5} (R = Pr, Nd) Amorphous Alloys

• Authors: A. Musiał , Z. Śniadecki , D. Pagnani , B. Idzikowski
• Languages of publication: EN

Abstracts

EN

The amorphous alloys R_{4.5}Fe_{77}B_{18.5} (R=Pr, Nd) were prepared by melt-spinning technique under argon atmosphere on a cooper wheel rotating with surface velocity of 25 m·s^{-1}. The ribbons have been investigated by means of X-ray diffraction (XRD) and differential scanning calorimetry (DSC). Temperatures of crystallization for Pr_{4.5}Fe_{77}B_{18.5}, measured at the heating rate 20 K/min, are equal T_{x1}=591°C for the first exothermic effect and T_{x2}=603°C for the second one (for Nd_{4.5}Fe_{77}B_{18.5} T_{x1}=594°C and T_{x2}=633°C). In the amorphous ribbons the crystallization of Fe_{3}B phase in the first step, followed by the crystallization of Pr_{2}Fe_{23}B_{3} and Nd_{2}Fe_{23}B_{3}, was observed. Both later phases appear in the process of recrystallization, immediately after Fe_{3}B formation.

Keywords

EN

61.43.Dq; 65.60.+a; 75.50.Bb

Discipline

• 75.50.Bb: Fe and its alloys
• 65.60.+a: Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc.
• 61.43.Dq: Amorphous semiconductors, metals, and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 1
• Pages: 316-317

Dates

published

2014-07

Contributors

author

A. Musiał

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
• The NanoBioMedical Centre, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland

author

Z. Śniadecki

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

D. Pagnani

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

B. Idzikowski

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.126.316