Effect of lattice distortion and nanovoids on the shock compression behavior of (Co-Cr-Cu-Fe-Ni) high entropy alloy

SK Singh, A Parashar - Computational Materials Science, 2022 - Elsevier
In this article, non-equilibrium molecular dynamics-based simulations were performed to
study the effect of shock compression on the deformation governing mechanism of high …

Role of void shape on shock responses of nanoporous metallic glasses via molecular dynamics simulation

W Song, Y Yu, Y Guan - International Journal of Mechanical Sciences, 2022 - Elsevier
The void shape significantly affects the mechanical properties of nanoporous metallic
glasses (NPMGs) under conventional loading. However, how the shock responses of …

High pressure phase evolution under hydrostatic pressure in a single imperfect crystal due to nanovoids

M Javanbakht - Materialia, 2021 - Elsevier
In this paper, the evolution of high pressure phase (HPP) in an imperfect single crystal due
to the existence of nanovoids is investigated. The nanovoid misfit strain and its stress are …

Shock resistance capability of multi-principal elemental alloys as a function of lattice distortion and grain size

SK Singh, A Parashar - Journal of Applied Physics, 2022 - pubs.aip.org
This article aims to study the shock resistance capability of multi-element alloys. In this study,
we utilized nonequilibrium molecular dynamics-based simulations with an embedded atom …

[HTML][HTML] Anisotropic orientation dependent shock wave responses of monocrystalline molybdenum

Y Hu, S Ding, J Xu, Y Zhang, W Wu, R Xia - Journal of Materials Research …, 2023 - Elsevier
Molybdenum (Mo) demonstrates excellent industrial application potentials in micro-nano
devices, which are inevitably subjected to shock loads during their application under harsh …

Enhanced spall strength of single crystal aluminum by temperature rise mitigation and structural phase transition under shock pulse

Y Zhu, J Hu, Q Wei, J Zhang, Y Sun, G Luo… - Mechanics of Materials, 2023 - Elsevier
Investigating the spalling behavior is beneficial for the microscale modeling of impact failure.
However, the correlation between pulse shape and spallation remains elusive due to limited …

The shock response and spall mechanism of Mg–Al–Zn alloy: molecular dynamics study

X Yang, S Xu, L Liu - Acta Mechanica Solida Sinica, 2022 - Springer
Abstract Shock responses of Mg–Al–Zn alloy are investigated by the molecular dynamics
(MD) method. The wave propagation, plastic deformation behavior and failure mechanism …

Selective excitation of two-wave structure depending on crystal orientation under shock compression

QL Xiong, T Shimada, T Kitamura, ZH Li - Science China Physics …, 2020 - Springer
Single crystals subjected to shock compression exhibit responses with distinct two-wave
structures for certain crystal orientations. However, little is known to date regarding how the …

Femtosecond laser shock peening Cu-Zn welds: Experiments and multi-scale modeling investigation

Z Liu, Z Zhou, B Yang, Q Hao, B Zhang, Y Zhao… - Optics and Lasers in …, 2024 - Elsevier
Laser shock peening of the weld surface is a cutting-edge treatment technology following
welding. However, the conventional nanosecond pulsed lasers used for this process can …

Dynamic characterization of shock wave responses of bicontinuous nanoporous amorphous alloys: Microstructure effects

Y Zhang, J Xu, Y Hu, S Ding, W Wu, R Xia - Mechanics of Materials, 2022 - Elsevier
Nanoporous amorphous alloys (NP-AAs) are of great interest due to their lightweight,
enhanced plasticity, and high elastic limit. Here, we explore the shock responses of Cu 50 Zr …