Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method

In order to study the strengthening effect of Mg–X (X = Zn, Ag) alloys, solid solution structures of Mg<sub>54</sub>, Mg<sub>53</sub>X<sub>1</sub> and Mg<sub>52</sub>X<sub>2</sub> (X = Zn, Ag) with atomic contents of 1.8 at.% and 3.7 at.% w...

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Main Authors: Yan Gao, Wenjiang Feng, Chuang Wu, Lu Feng, Xiuyan Chen
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/13/5/820
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author Yan Gao
Wenjiang Feng
Chuang Wu
Lu Feng
Xiuyan Chen
author_facet Yan Gao
Wenjiang Feng
Chuang Wu
Lu Feng
Xiuyan Chen
author_sort Yan Gao
collection DOAJ
description In order to study the strengthening effect of Mg–X (X = Zn, Ag) alloys, solid solution structures of Mg<sub>54</sub>, Mg<sub>53</sub>X<sub>1</sub> and Mg<sub>52</sub>X<sub>2</sub> (X = Zn, Ag) with atomic contents of 1.8 at.% and 3.7 at.% were established, respectively. The structural stability, tensile properties and electronic properties were investigated by first-principles simulation. The calculated results of cohesive energies show that all solid solution structures were stable under different tensile strains, and Mg<sub>52</sub>Ag<sub>2</sub> had the best stability. The results of tensile tests show that Zn and Ag atoms promoted the Mg-based alloy’s yield strength and tensile strength. In addition, through comparative analyses, we have demonstrated that the tensile property of Mg-based alloys was also affected by solid solubility. Finally, the electronic density of states (DOS) and electron density difference of several solid solution structures were analyzed.
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spelling doaj.art-2ae61161186e4ea08d49922de2aa87132023-11-18T01:00:30ZengMDPI AGCrystals2073-43522023-05-0113582010.3390/cryst13050820Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles MethodYan Gao0Wenjiang Feng1Chuang Wu2Lu Feng3Xiuyan Chen4Experimental Teaching Center, Shenyang Normal University, Shenyang 110034, ChinaCollege of Physics Science and Technology, Shenyang Normal University, Shenyang 110034, ChinaExperimental Teaching Center, Shenyang Normal University, Shenyang 110034, ChinaCollege of Physics Science and Technology, Shenyang Normal University, Shenyang 110034, ChinaCollege of Physics Science and Technology, Shenyang Normal University, Shenyang 110034, ChinaIn order to study the strengthening effect of Mg–X (X = Zn, Ag) alloys, solid solution structures of Mg<sub>54</sub>, Mg<sub>53</sub>X<sub>1</sub> and Mg<sub>52</sub>X<sub>2</sub> (X = Zn, Ag) with atomic contents of 1.8 at.% and 3.7 at.% were established, respectively. The structural stability, tensile properties and electronic properties were investigated by first-principles simulation. The calculated results of cohesive energies show that all solid solution structures were stable under different tensile strains, and Mg<sub>52</sub>Ag<sub>2</sub> had the best stability. The results of tensile tests show that Zn and Ag atoms promoted the Mg-based alloy’s yield strength and tensile strength. In addition, through comparative analyses, we have demonstrated that the tensile property of Mg-based alloys was also affected by solid solubility. Finally, the electronic density of states (DOS) and electron density difference of several solid solution structures were analyzed.https://www.mdpi.com/2073-4352/13/5/820first-principles calculationsolid solubilitystabilitytensileelectronic
spellingShingle Yan Gao
Wenjiang Feng
Chuang Wu
Lu Feng
Xiuyan Chen
Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
Crystals
first-principles calculation
solid solubility
stability
tensile
electronic
title Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
title_full Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
title_fullStr Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
title_full_unstemmed Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
title_short Investigation on Structural, Tensile Properties and Electronic of Mg–X (X = Zn, Ag) Alloys by the First-Principles Method
title_sort investigation on structural tensile properties and electronic of mg x x zn ag alloys by the first principles method
topic first-principles calculation
solid solubility
stability
tensile
electronic
url https://www.mdpi.com/2073-4352/13/5/820
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