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Phase Equilibria of the Al–Zn–Bi–Fe Quaternary System at 600 °C

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Abstract

Isothermal sections of the Al–Zn–Bi–Fe quaternary system at 600 °C with fixed Al content of 75 at.% and fixed Zn content of 50 at.% were determined by scanning electron microscopy coupled with energy-dispersive x-ray spectroscopy and x-ray powder diffraction analysis. One four-phase region and four four-phase regions were identified in the 75 at.% Al and 50 at.% Zn sections, respectively. The Bi-poor L1 phase and Bi-rich L2 phase are in equilibrium with (Al), FeAl3, Fe2Al5, α-Fe, and δ, respectively. No new quaternary phase was found in these two sections. Bi is almost insoluble in all Fe–Al and Fe–Zn compounds.

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Acknowledgments

This investigation is supported by the National Science Foundation of China (No. 51471140) and the Scientific Research Fund of Hunan Provincial Education Department (No. 14A143).

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Correspondence to Zhi Li or Xuping Su.

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Wang, X., Li, Z., Gong, Y. et al. Phase Equilibria of the Al–Zn–Bi–Fe Quaternary System at 600 °C. J. Phase Equilib. Diffus. 38, 796–806 (2017). https://doi.org/10.1007/s11669-017-0568-1

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  • DOI: https://doi.org/10.1007/s11669-017-0568-1

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