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Experimental Investigation of the Phase Relations of the Dy-Mn-As System at 773 K

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Abstract

The isothermal section of the Dy-Mn-As ternary system at 773 K has been investigated by using x-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy. This isothermal section consists of 12 single-phase regions, 21 two-phase regions and 10 three-phase regions. The highest solid solubility of Dy in MnAs is about 0.65 at.%Dy, and that of Mn in DyAs is less than 0.79 at.%Mn. The maximum solubility of As in DyMn2 is less than 0.33 at.%As. No ternary compound was found to exist in this section at 773 K.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant Nos. 50261002, 50661002 and 51161005) and National Basic Research Program of China (No. 2014CB643703).

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Authors and Affiliations

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

    Z. F. Gu, S. L. Yu, Ch. F. Xu, Z. X. Li, G. Cheng, L. Ma, Y. S. Du, L. Li, M. H. Jiang & L. Y. Cheng

  2. Department of Mechanical Engineering, Guilin University of Aerospace Technology, Guilin, 541004, Guangxi, People’s Republic of China

    Ch. F. Xu

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  1. Z. F. Gu
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Correspondence to Ch. F. Xu.

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Gu, Z.F., Yu, S.L., Xu, C.F. et al. Experimental Investigation of the Phase Relations of the Dy-Mn-As System at 773 K. J. Phase Equilib. Diffus. 36, 306–316 (2015). https://doi.org/10.1007/s11669-015-0384-4

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  • DOI: https://doi.org/10.1007/s11669-015-0384-4

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