Phase Equilibria of the Al-Co-Zn System at 450 °C |
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| Authors: | Manxiu Zhao Fucheng Yin Zhi Li Yongxiong Liu Zhaohui Long Xuping Su |
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| Affiliation: | (1) Key Laboratory of Materials Design and Preparation Technology of Hunan Province, School of Mechanical Engineering, Xiangtan University, Xiangtan, 411105, Hunan, P.R. China;(2) School of Materials Science and Engineering, Changzhou University, 213164 Jiangsu, P.R. China; |
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| Abstract: | The 450 °C isothermal section of the Al-Co-Zn ternary system was determined experimentally by means of scanning electronic
microscopy coupled with wave dispersive x-ray spectroscopy, and x-ray powder diffraction. Nine three-phase regions have been
confirmed experimentally. The liquid phase is in equilibrium with all Al-Co compounds except Al3Co. The maximum solubility of Zn in AlCo, Al5Co2, Al9Co2 and Al13Co4 is 8.76, 18.14, 1.24, 8.97 at.%, respectively. The Al solubility in the Co-Zn compounds (γ2, γ1, γ, β1) is very small, no more than 0.14, 0.28, 0.32, and 0.62 at.%, respectively. No true ternary compound was found in the present
study. |
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