Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System

Shuo Wang; Kun Ma; Ya Liu; Jianhua Wang; Xuping Su

doi:10.1007/s11669-017-0599-7

Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System

Shuo Wang, Kun Ma, Ya Liu, Jianhua Wang^*, Xuping Su

^*Corresponding author for this work

Changzhou University

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The isothermal section of the Zn-Al-Mg-Si quaternary system at 450 °C with Zn fixed at 70 at.% has been determined by means of scanning electron microscopy, energy dispersive spectroscopy and x-ray diffraction. The results show that there exist the following equilibria regions in the isothermal section: Liq. + α-Al + MgZn₂ + Mg₂Si and Liq. + α-Al + Mg₂Si + (Si) four-phase regions, and Liq. + α-Al + Mg₂Si, Liq. + α-Al + MgZn₂, Liq. + MgZn₂ + Mg₂Si, Liq. + α-Al + (Si) and Liq. + MgZn₂ + (Si) three-phase regions. Si is almost insoluble in MgZn₂ and α-Al. The maximum solubility of Al and Zn in Mg₂Si is 1.8 and 6.1 at.%, respectively. The maximum solubility of Al and Si in MgZn₂ is 3.2 and 0.5 at.%, respectively. No ternary and quaternary compounds were found in this study.

Original language	English
Pages (from-to)	906-915
Number of pages	10
Journal	Journal of Phase Equilibria and Diffusion
Volume	38
Issue number	6
DOIs	https://doi.org/10.1007/s11669-017-0599-7
Publication status	Published - 1 Dec 2017
Externally published	Yes

Keywords

Zn-Al-Mg-Si
phase diagram
phases equilibrium
quaternary system

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10.1007/s11669-017-0599-7

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Wang, S., Ma, K., Liu, Y., Wang, J., & Su, X. (2017). Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System. Journal of Phase Equilibria and Diffusion, 38(6), 906-915. https://doi.org/10.1007/s11669-017-0599-7

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title = "Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System",

abstract = "The isothermal section of the Zn-Al-Mg-Si quaternary system at 450 °C with Zn fixed at 70 at.% has been determined by means of scanning electron microscopy, energy dispersive spectroscopy and x-ray diffraction. The results show that there exist the following equilibria regions in the isothermal section: Liq. + α-Al + MgZn2 + Mg2Si and Liq. + α-Al + Mg2Si + (Si) four-phase regions, and Liq. + α-Al + Mg2Si, Liq. + α-Al + MgZn2, Liq. + MgZn2 + Mg2Si, Liq. + α-Al + (Si) and Liq. + MgZn2 + (Si) three-phase regions. Si is almost insoluble in MgZn2 and α-Al. The maximum solubility of Al and Zn in Mg2Si is 1.8 and 6.1 at.%, respectively. The maximum solubility of Al and Si in MgZn2 is 3.2 and 0.5 at.%, respectively. No ternary and quaternary compounds were found in this study.",

keywords = "Zn-Al-Mg-Si, phase diagram, phases equilibrium, quaternary system",

author = "Shuo Wang and Kun Ma and Ya Liu and Jianhua Wang and Xuping Su",

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AU - Wang, Shuo

AU - Ma, Kun

AU - Liu, Ya

AU - Wang, Jianhua

AU - Su, Xuping

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The isothermal section of the Zn-Al-Mg-Si quaternary system at 450 °C with Zn fixed at 70 at.% has been determined by means of scanning electron microscopy, energy dispersive spectroscopy and x-ray diffraction. The results show that there exist the following equilibria regions in the isothermal section: Liq. + α-Al + MgZn2 + Mg2Si and Liq. + α-Al + Mg2Si + (Si) four-phase regions, and Liq. + α-Al + Mg2Si, Liq. + α-Al + MgZn2, Liq. + MgZn2 + Mg2Si, Liq. + α-Al + (Si) and Liq. + MgZn2 + (Si) three-phase regions. Si is almost insoluble in MgZn2 and α-Al. The maximum solubility of Al and Zn in Mg2Si is 1.8 and 6.1 at.%, respectively. The maximum solubility of Al and Si in MgZn2 is 3.2 and 0.5 at.%, respectively. No ternary and quaternary compounds were found in this study.

AB - The isothermal section of the Zn-Al-Mg-Si quaternary system at 450 °C with Zn fixed at 70 at.% has been determined by means of scanning electron microscopy, energy dispersive spectroscopy and x-ray diffraction. The results show that there exist the following equilibria regions in the isothermal section: Liq. + α-Al + MgZn2 + Mg2Si and Liq. + α-Al + Mg2Si + (Si) four-phase regions, and Liq. + α-Al + Mg2Si, Liq. + α-Al + MgZn2, Liq. + MgZn2 + Mg2Si, Liq. + α-Al + (Si) and Liq. + MgZn2 + (Si) three-phase regions. Si is almost insoluble in MgZn2 and α-Al. The maximum solubility of Al and Zn in Mg2Si is 1.8 and 6.1 at.%, respectively. The maximum solubility of Al and Si in MgZn2 is 3.2 and 0.5 at.%, respectively. No ternary and quaternary compounds were found in this study.

KW - Zn-Al-Mg-Si

KW - phase diagram

KW - phases equilibrium

KW - quaternary system

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JO - Journal of Phase Equilibria and Diffusion

JF - Journal of Phase Equilibria and Diffusion

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ER -

Phase Equilibria of 450 °C Isothermal Section of Zn-Al-Mg-Si Quaternary System

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