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Phase Equilibria of the Zn-Bi-Co System at 450 and 600 °C

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Abstract

The equilibrated alloys approach was adopted to determine the phase relations of the Zn-Bi-Co ternary system at 450 and 600 °C. The specimens were investigated by means of optical microscopy, scanning electron microscopy/energy-dispersive spectrometry analysis and x-ray diffraction. The experimental results show that five three-phase regions exist in the isothermal section at 450 °C and three tri-phase regions at 600 °C. Bi is almost insoluble in Co-Zn intermetallic compounds; its solubility in α-Co is less than 0.4 at.%. The solubility of Co in the L-Bi phase increases with temperature, the maximum solubility reaching 0.8 at.% at 450 °C and 1.7 at.% at 600 °C.

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Acknowledgment

This investigation was supported by National Natural Science Foundation of China (No. 51471141), Scientific Research Fund of Hunan Provincial Science and Technology Department (No. 2014FJ2010), and opening Foundation of Key Laboratory of Materials Surface Science and Technology of Jiangsu Province (No. KFBM20150001).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Xiangtan University, Hunan, 411105, People’s Republic of China

    Huixin Liu, Manxiu Zhao, Fucheng Yin, Yongxiong Liu & Zhi Li

  2. Key Laboratory of Materials Design and Preparation Technology of Hunan Province, Xiangtan University, Hunan, 411105, People’s Republic of China

    Manxiu Zhao, Fucheng Yin, Yongxiong Liu & Zhi Li

  3. National-Provincial Laboratory of Special Function Thin Film Materials, Xiangtan University, Hunan, 411105, People’s Republic of China

    Manxiu Zhao

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  1. Huixin Liu
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  2. Manxiu Zhao
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  4. Yongxiong Liu
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  5. Zhi Li
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Correspondence to Manxiu Zhao.

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Liu, H., Zhao, M., Yin, F. et al. Phase Equilibria of the Zn-Bi-Co System at 450 and 600 °C. J. Phase Equilib. Diffus. 36, 535–543 (2015). https://doi.org/10.1007/s11669-015-0410-6

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  • DOI: https://doi.org/10.1007/s11669-015-0410-6

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