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Phase Structure, Microstructure, and Magnetic Properties of (Nd-Ce)13.4Fe79.9B6.7 Alloys

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Abstract

Phase structure and microstructure of (Nd1-xCex)13.4Fe79.9B6.7 (x = 0.0–1.0) alloys that were prepared via the arc-melting method were studied experimentally in this work. The results reveal that (Nd1-xCex)13.4Fe79.9B6.7 alloys annealed at 1173 K for 360 h are a single (NdCe)2Fe14B phase with the tetragonal Nd2Fe14B-typed structure (space group P42/mnm). The formation of continuous (NdCe)2Fe14B solid solution phase in annealed (Nd1-xCex)13.4Fe79.9B6.7 alloys was confirmed. On the other hand, magnetic measurements exhibit that the coercivity, remanence, maximum magnetic energy product, and Curie temperature of (Nd1-xCex)13.4Fe79.9B6.7 ribbons that were fabricated by melt spinning technology decrease gradually with increasing Ce content, which results from the substitution of Nd by Ce in Nd2Fe14B phase due to inferior intrinsic magnetic properties of Ce2Fe14B phase.

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Funding

This work was supported financially by National Natural Science Foundation of China (51761008, 51971069), Guangxi Natural Science Foundation (2016GXNSFDA380015), Guangxi Project of Science and Technology (2017 AD23031), and Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, China (171005-Z).

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Authors and Affiliations

  1. School of Material Science and Engineering, Central South University, Changsha, 410083, China

    M. H. Rong & Z. P. Jin

  2. School of Material Science and Engineering & Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, China

    M. H. Rong, G. Fu, Q. R. Yao, J. Wang, G. H. Rao & H. Y. Zhou

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  1. M. H. Rong
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Rong, M.H., Fu, G., Yao, Q.R. et al. Phase Structure, Microstructure, and Magnetic Properties of (Nd-Ce)13.4Fe79.9B6.7 Alloys. J Supercond Nov Magn 33, 2737–2744 (2020). https://doi.org/10.1007/s10948-020-05537-8

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