Deformation and failure of the CrCoNi medium-entropy alloy subjected to extreme shock loading

S Zhao, S Yin, X Liang, F Cao, Q Yu, R Zhang, L Dai… - Science …, 2023 - science.org
The extraordinary work hardening ability and fracture toughness of the face-centered cubic
(fcc) high-entropy alloys render them ideal candidates for many structural applications. Here …

Shock-induced deformation and spallation in CoCrFeMnNi high-entropy alloys at high strain-rates

W Li, S Chen, Z Aitken, YW Zhang - International Journal of Plasticity, 2023 - Elsevier
Shock-induced deformation and fracture in single-crystalline and nanocrystalline
CoCrFeMnNi high-entropy alloys (HEAs) under different shock intensities are investigated …

Dynamic tensile fracture of iron: Molecular dynamics simulations and micromechanical model based on dislocation plasticity

VV Pogorelko, AE Mayer - International Journal of Plasticity, 2023 - Elsevier
Molecular dynamics (MD) shows a difference in the mechanisms of fracture of iron under
uniaxial and isotropic tension. Uniaxial tension leads to the formation of a complex …

Phase transition in shock compressed high-entropy alloy FeNiCrCoCu

H ** in spalled Ta in three dimensions
WA Witzen, MLP Echlin, MA Charpagne, TM Pollock… - Acta Materialia, 2023 - Elsevier
In this work, the intragranular distributions of the densities of geometrically necessary
dislocations (GNDs) generated in a polycrystalline tantalum (Ta) sample loaded in shock …

Virtual texture analysis to investigate the deformation mechanisms in metal microstructures at the atomic scale

A Mishra, MJ Echeverria, K Ma, S Parida… - Journal of Materials …, 2022 - Springer
Understanding the deformation behavior of metallic materials at high strain rates requires
the characterization of plasticity contributors, such as twins, phase transformed regions, and …