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Phase Equilibria in the Ce-Pr-Fe System at 600 °C

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Abstract

The phase relationships of the Ce-Pr-Fe ternary system at 600 °C were experimentally investigated using equilibrated alloys and diffusion junction samples with the use of electron probe microanalysis, x-ray diffraction, and scanning electron microscopy. The isothermal section of the Ce-Pr-Fe system at 600 °C consists of 7 single-phase, 11 two-phase, and 5 three-phase regions. No ternary compound was found. The PrFe2 phase was observed in both ternary alloys and diffusion samples at normal pressure. The solid solubility of Ce in PrFe2 and Pr2Fe17 is 1.76 and 3.75 at.%, respectively. The solid solubility of Pr in CeFe2 and Ce2Fe17 is 13.21 and 0.77 at.%, respectively.

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Acknowledgments

The work was supported by the National Key R&D Program of China (Grant No. 2016YFB0700901) and Guangxi Natural Science Foundation (Grant No. AD17292001).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China

    Mingzhong Yuan, Qingrong Yao, Guanghui Rao, Qianxin Long, Jiang Wang, Jianqiu Deng & Huaiying Zhou

  2. Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China

    Qingrong Yao, Guanghui Rao, Jiang Wang & Huaiying Zhou

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  1. Mingzhong Yuan
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Correspondence to Qingrong Yao.

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Yuan, M., Yao, Q., Rao, G. et al. Phase Equilibria in the Ce-Pr-Fe System at 600 °C. J. Phase Equilib. Diffus. 41, 164–171 (2020). https://doi.org/10.1007/s11669-020-00797-2

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  • DOI: https://doi.org/10.1007/s11669-020-00797-2

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