Phase relationships in the Ce–Nd–B system at 773 K

Xuehong Cui; Jinming Zhu; Ketong Luo; Jianlie Liang

doi:10.3139/146.111909

Article

Phase relationships in the Ce–Nd–B system at 773 K

Xuehong Cui , Jinming Zhu , Ketong Luo and Jianlie Liang

Published/Copyright: February 23, 2021

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From the journal International Journal of Materials Research Volume 111 Issue 6

Abstract

Phase relationships in the Ce-Nd-B ternary system at 773 K were investigated by means of X-ray diffraction and scanning electron microscopy with energy dispersive X-ray spectroscopy techniques. Six borides, i. e. CeB₄, CeB₆, NdB₄, NdB₆, NdB₆₆ and Nd₂B₅ are confirmed in this work. No ternary compound was observed. CeB₄ and NdB₄ were discovered to form the continuous solid solution phase (Ce,Nd)B₄, CeB₆ and NdB₆ also form the solid solution phase (Ce,Nd)B₆. The maximum solid solubility of Ce in (Ce,Nd)₂B₅ phase is 46.5 at.%. The isothermal section of the Ce-Nd-B ternary system at 773 K consists of 3 three-phase regions, 7 two-phase regions and 7 single- phase regions.

Keywords: Ce-Nd-B system; Isothermal section; Rareearth metals; Phase diagram

Published Online: 2021-02-23

Published in Print: 2020-06-01

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https://doi.org/10.3139/146.111909

Keywords for this article

Ce-Nd-B system; Isothermal section; Rareearth metals; Phase diagram