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Shock Hugoniot and Mie-Grüneisen EOS of TiAl alloy: A molecular dynamics approach

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1 Published in 2020 at "Computational Materials Science"

DOI: 10.1016/j.commatsci.2019.109495

Abstract: Abstract Molecular dynamics (MD) simulations coupling multi-scale shock technique (MSST) are performed to study the shock Hugoniot and Mie-Gruneisen equation of state (EOS) for TiAl alloy. The accuracy of the EAM potential for TiAl is… read more here.

Keywords: hugoniot; molecular dynamics; eos tial; hugoniot mie ... See more keywords

Shock compression behavior of low density powder materials and the double-shock Hugoniot

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0 Published in 2017 at "Mechanics of Materials"

DOI: 10.1016/j.mechmat.2017.05.004

Abstract: Abstract Particle velocity measurements of window/sample interface by velocity interferometer have been performed on a low density powder material, Ce:YAG, under various shock loading conditions generated by plate impact with a maximum impact velocity of… read more here.

Keywords: hugoniot; density; low density; density powder ... See more keywords

Molecular dynamics modeling of the Hugoniot states of aluminum

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0 Published in 2018 at "AIP Advances"

DOI: 10.1063/1.5050426

Abstract: In this study, molecular dynamics (MD) simulations coupled with multi-scale shock technique (MSST) are used to predict the Hugoniot curve PH, Gruneisen coefficient γ and melting temperature Tm of single crystal (SC) and nanocrystalline (NC)… read more here.

Keywords: modeling hugoniot; hugoniot; molecular dynamics; hugoniot states ... See more keywords

Influence of defects on the shock Hugoniot of tantalum

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1 Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5096526

Abstract: Using molecular dynamics simulations, we investigate the effect of vacancies and dislocations on the dynamic response of single crystal tantalum to shock loading along the ⟨110⟩ axis. A Hugoniostat technique is employed, for which a… read more here.

Keywords: hugoniot; tantalum; dislocation; effect ... See more keywords

Development and optimization of a spline-based Hugoniot for unreacted equations of state

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0 Published in 2021 at "Journal of Applied Physics"

DOI: 10.1063/5.0065722

Abstract: Parametric forms, such as linear and quadratic fits, are common for fitting a Hugoniot curve to shock data. However, these forms only admit certain shape features and may exclude a better fit. Thus, a semiparametric… read more here.

Keywords: hugoniot; optimization spline; spline based; optimization ... See more keywords