[HTML][HTML] The role of pre-existing heterogeneities in materials under shock and spall

RM Flanagan, SJ Fensin, MA Meyers - Applied Physics Reviews, 2022 - pubs.aip.org
There has been a challenge for many decades to understand how heterogeneities influence
the behavior of materials under shock loading, eventually leading to spall formation and …

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 …

Microstructure characterization and tensile shear failure mechanism of the bonding interface of explosively welded titanium-steel composite

Q Zhou, R Liu, P Chen, L Zhu - Materials Science and Engineering: A, 2021 - Elsevier
The dissimilar joining of TA2/Q235 had attracted great attention because of its important
applications in the nuclear fusion, aerospace, petrochemical industry. The possibility of …

Particle size effects in metallic microparticle impact-bonding

I Dowding, M Hassani, Y Sun, D Veysset, KA Nelson… - Acta Materialia, 2020 - Elsevier
In cold spray processing of metals, the critical velocity for particle bonding is dependent on
both intrinsic material properties, such as density and (spall) strength, and extrinsic process …

Multi-scale simulation study on the evolution of stress waves and dislocations in Ti alloy during laser shock peening processing

C Gu, M Su, Z Tian, J Zhao, Y Wang - Optics & Laser Technology, 2023 - Elsevier
This study investigates the effect of laser shock peening (LSP) on the evolution of stress
waves and dislocations in Ti-6Al-4V alloy by multi-scale simulation. The finite element model …

[HTML][HTML] Investigation of interfacial structure and dynamic mechanical behavior of titanium alloy laminated composites

Y Li, L Wang, L Zhu, Y Li, Z Yan, Y Song… - Journal of Materials …, 2022 - Elsevier
Explosive welding is widely used in the manufacture of dissimilar metal composite plates. In
this work, TC4/TA1/Ti6321 titanium alloy laminated composites were successfully prepared …

Strain rate dependence of spall strength for solid and molten lead and tin

AE Mayer, PN Mayer - International Journal of Fracture, 2020 - Springer
Dynamic tensile (spall) fracture of pure Pb and Sn in solid and molten states is investigated
by MD simulations. The influence of unwettable inclusions on the spall strength is revealed …

Effects of pre-strain on shock compression and spallation damage of titanium

ZH Lin, Y Cai, YL Bian, J Xu, LX Li, NB Zhang, JH Liu… - Materialia, 2024 - Elsevier
The effects of pre-strain on shock compression and spallation damage of commercially pure
titanium are investigated via plate impact experiments. The titanium samples are pre …

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 …

Phase transition lowering in shock compressed single-crystal aluminum: Atomistic insights

K Basavaraj, A Ray - Physical Review B, 2024 - APS
Investigating the shock-induced structural phase transition (PT) in Al is of paramount interest
due to its extensive use in numerous dynamic compression experiments. In this paper, we …