Theoretical prediction of anisotropic in elasticity, density of states and thermodynamic properties of Ti–X (X = Fe, Co, Zn)

In this work, The mechanical properties, band structure, density of states and thermodynamic properties (at a temperature of 0–1200 K and a pressure of 0–40 GPa) of the Ti–X (X = Fe, Co, Zn) alloy are calculated by first-principles calculations based on density functional theory (DFT). The results s...

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Veröffentlicht in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2021-12, Vol.94 (12), Article 246
Hauptverfasser: Cao, Yong, Luo, Penghui, Xu, Yang, Zhou, Shenggang
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creator Cao, Yong
Luo, Penghui
Xu, Yang
Zhou, Shenggang
description In this work, The mechanical properties, band structure, density of states and thermodynamic properties (at a temperature of 0–1200 K and a pressure of 0–40 GPa) of the Ti–X (X = Fe, Co, Zn) alloy are calculated by first-principles calculations based on density functional theory (DFT). The results show that the Ti–X (X = Fe, Co, Zn) alloy has mechanical stability and plasticity, and elasticity is anisotropic. By analyzing elastic anisotropy index ( A U , A shera , A comp , A 1 , A 2 , A 3 ), 3D surface constructions and sound velocities, which shows that the elasticity and sound velocities of Ti–X (X = Fe, Co, Zn) alloy is anisotropic. Graphic abstract
doi_str_mv 10.1140/epjb/s10051-021-00240-6
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The results show that the Ti–X (X = Fe, Co, Zn) alloy has mechanical stability and plasticity, and elasticity is anisotropic. By analyzing elastic anisotropy index ( A U , A shera , A comp , A 1 , A 2 , A 3 ), 3D surface constructions and sound velocities, which shows that the elasticity and sound velocities of Ti–X (X = Fe, Co, Zn) alloy is anisotropic. 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subjects Acoustic velocity
Alloys
Anisotropy
Cobalt
Complex Systems
Condensed Matter Physics
Density functional theory
Density functionals
Density of states
Elastic analysis
Elastic anisotropy
Elasticity
First principles
Fluid- and Aerodynamics
Iron
Mathematical analysis
Mechanical properties
Physics
Physics and Astronomy
Regular Article - Solid State and Materials
Solid State Physics
Specific gravity
Stability analysis
Thermodynamic properties
Thermodynamics
Titanium
Zinc
title Theoretical prediction of anisotropic in elasticity, density of states and thermodynamic properties of Ti–X (X = Fe, Co, Zn)
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