[HTML][HTML] Advances in Understanding the Evolution Mechanism of Micropore Defects in Metal Materials under External Loads

J Liang, M Zhang, Y Peng, J Wang - Metals, 2024 - mdpi.com
Micropores are one of the critical factors affecting materials' performance and service life. As
the need for a deeper understanding of micropore evolution and damage mechanisms …

Microscopic mechanisms and modeling of nanopore collapse and growth during compression followed by tension loading

L Wu, G Lu, JL Shao - Materials Today Communications, 2024 - Elsevier
Previous research has predominantly focused on the evolution of damage related to voids,
while the understanding of void evolution under tension, compression, and even cyclic …

Void configuration-induced change in microstructure and deformation mechanisms of nano-porous materials

J Wang, J Liang, Z Wen, Z Yue - Journal of Applied Physics, 2019 - pubs.aip.org
Void configuration plays an essential role in the deformation behavior of ductile metals; its
effects on intervoid interference has not been investigated systematically until now. In the …

Discrete dislocation dynamics modelling of microvoid growth and its intrinsic mechanism in single crystals

M Huang, Z Li, C Wang - Acta Materialia, 2007 - Elsevier
In the present paper, an infinite face-centered cubic single crystal containing an isolated
cylindrical micron-sized void, which is subjected to proportional and monotonically uniform …

Simulation of mechanical performance of nanoporous FCC copper under compression with pores mimicking several crystalline arrays

Y Cui, Z Chen - Journal of Applied Physics, 2017 - pubs.aip.org
The mechanical performance of porous metal with assembly of pores mimicking typical
crystalline structures is studied via atomistic simulation and finite element method. The pore …

Mass transfer and morphology change via dislocation emission in a macroporous FCC metal

Y Cui, Z Chen, Y Ju - Materials Letters, 2019 - Elsevier
In a first effort, the dislocation structure and related mass transfer in a macroporous FCC
metal is studied via atomistic simulation. The interaction between the void and its periodic …

Multiaxial behavior of nanoporous single crystal copper: a molecular dynamics study

K Zhao, L Fan, C Chen - Acta Mechanica Solida Sinica, 2009 - Elsevier
The stress-strain behavior and incipient yield surface of nanoporous single crystal copper
are studied by the molecular dynamics (MD) method. The problemis modeled by a periodic …

Effects of porosity and pore microstructure on the mechanical behavior of nanoporous silver

Y Yao, Q Huang, S Wang - Materials Today Communications, 2020 - Elsevier
The tensile strength of nanoporous silver (AgNPs) is investigated by experiments and
molecular dynamic analysis. Effects of sintering temperature on the porosity and ultimate …

Local micro-mechanical stress conditions leading to pore nucleation during dynamic loading

CA Bronkhorst, H Cho, PW Marcy… - International Journal of …, 2021 - Elsevier
Accurately representing the process of porosity-based ductile damage in polycrystalline
metallic materials via computational simulations remains a significant challenge. The …

Combined influences of micro-pillar geometry and substrate constraint on microplastic behavior of compressed single-crystal micro-pillar: Two-dimensional discrete …

C Ouyang, Z Li, M Huang, L Hu, C Hou - Materials Science and …, 2009 - Elsevier
2D discrete dislocation dynamic modeling of compressed micro-pillars attached on a huge
base is executed to study the size-dependent microplastic behavior of micro-pillars and the …