A powder neutron diffraction study of magnetic structure of metastable Nd2Fe23B3 compound

Gou, Cheng; Cheng, Zhengwang; Chen, D.F.; Niu, Shiwen; Yan, Qw; Zhang, P.L.; Shen, Baogen; Yang, Lei

doi:10.1016/0304-8853(93)90851-r

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1995

2023

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Cited by 15 publications

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“…The analysis of the XRD patterns (Fig. 3) collected for samples annealed at 923K and 943 allowed for identification of hard magnetic Nd2Fe14B [13], paramagnetic Nd1+εFe4B4 [11] and metastable Nd2Fe23B3 [14,15].…”

Section: Resultsmentioning

confidence: 99%

The Influence of Heat Treatment on the Phase Structure of the Nanocrystalline (Nd10Fe67B23)95Nb5 Alloy Ribbons

2020

Rev.Chim.

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The main goal of present paper was to study of phase composition of nanocrystalline (Nd10Fe67B23)95Nb5 ribbons prepared by melt-spinning technique with different velocity of the copper wheel. Samples in the as-cast state obtained using speed 5 and 10 m/s had nanocrystalline structure. In case of samples prepared by with speed of copper Wheel 15 and 35 m/s were fully amorphous. In the DSC curve, the two minima corresponding to crystallization of the Nd2Fe23B3 and Nd2Fe14B phases were detected. The coexistence of three phases: Nd2Fe14B, Nd2Fe23B3 and Nd1+εFe4B4 were detected. Higher temperatures of annealing caused crystallization of α-Fe phase. The XRD results were confirmed by the Mössbauer studies. Keywords: hard magnetic materials, phase structure, Mössabuer spectroscopy

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