Phase equilibria of the Al–Ni–Zn system at 340°C

Honghui Xu; Yong Du; Yichun Zhou; Xuejun Zheng; Wei Xiong; Shuhong Liu; Xuping Su; Fucheng Yin

doi:10.3139/146.101678

Published by De Gruyter June 11, 2013

Phase equilibria of the Al–Ni–Zn system at 340°C

Honghui Xu , Yong Du , Yichun Zhou , Xuejun Zheng , Wei Xiong , Shuhong Liu , Xuping Su and Fucheng Yin

From the journal International Journal of Materials Research

https://doi.org/10.3139/146.101678

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Abstract

The phase equilibria at 340°C of the Al – Ni – Zn system were investigated by combining the diffusion couple technique with the equilibrated alloys method. The samples were examined by means of optical microscopy, X-ray diffraction, scanning electron microscopy, and electron probe microanalysis. Two ternary compounds (₁ and ₂) were found to exist at 340°C. The solubilities of Zn in AlNi, Al₃Ni₂ and Al₃Ni were determined to be about 20, 2 and 1 at.% Zn, respectively. The solubilities of Al in β₁-NiZn and in were measured to be about 11.5 and 1 at.% Al, respectively. The solubilities of Zn in both AlNi₃ and Al₃Ni₅ are below 1 at.% Zn.

Keywords: Al-Ni-Zn system; Phase equilibria; X-ray diffraction; Electron probe microanalysis

* Correspondence address, Professor Dr. Yong Du State Key Laboratory of Powder Metallurgy Central South University, Changsha, Hunan 410083, P. R. China. Tel.: +86 731 883 6213 Fax: +86 731 871 0855 E-mail: yong-du@mail.csu.edu.cn

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Received: 2007-12-8

Accepted: 2008-2-17

Published Online: 2013-06-11

Published in Print: 2008-06-01

Phase equilibria of the Al–Ni–Zn system at 340°C

Abstract

References

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