An experimental study on the wall collision of micro-sized graphite particles by high-speed photomicrography

Y Zhang, Z Fang, S Zhao, M Wei, X Wu… - Progress in Nuclear Energy, 2020 - Elsevier
The micro-sized graphite dust plays an important role in pebble-bed high temperature gas-
cooled reactors, for the close relation with the fission products (FPs). However, an accurate …

[HTML][HTML] Energy dissipation study in impact: From elastic and elastoplastic analysis in peridynamics

L Wu, D Huang - International Journal of Solids and Structures, 2022 - Elsevier
Contact models employed in the available peridynamic studies are generally based on the
short-range repulsive force model. In this paper, we implement a Hertz model in the …

Influence of the surface roughness on the collision behavior of fine particles in ambient fluids

F Krull, J Mathy, P Breuninger, S Antonyuk - Powder Technology, 2021 - Elsevier
Particle-wall collisions appear in many different processes of particle technology. During a
collision, different micro processes, such as friction, plastic deformation and adhesion can …

Plastic deformation of rough metallic surfaces

A Tiwari, A Almqvist, BNJ Persson - Tribology Letters, 2020 - Springer
The contact between rough metallic bodies almost always involves plastic flow in the area of
real contact. We performed indentation experiments on sandblasted aluminum surfaces to …

[HTML][HTML] Mechanical parameter evolutions and deterioration constitutive model for ductile–brittle failure of surrounding rock in high-stress underground engineering

Z Zheng, R Li, Q Zhang, X Huang, W Wang, S Huang - Underground Space, 2024 - Elsevier
The deep surrounding rock is usually in the true triaxial stress state, and previous
constitutive models based on the understanding of uniaxial and conventional triaxial test …

A numerical study on adhesive collision between a micro-sized particle and a wall

Z Fang, Y Zhang, M Wei, S Zhao, X Wu, L Sun - Powder Technology, 2020 - Elsevier
The theoretical study for the wall collision of small adhesive non-spherical particles is
challenging due to the irregular shape. In this work we present a new numerical model to …

Numerical methodology for simulating particle deposition on superhydrophobic surfaces with randomly distributed rough structures

A Pan, RR Cai, LZ Zhang - Applied Surface Science, 2021 - Elsevier
Superhydrophobic coatings with a rough structure and low surface energy have been
regarded as new high-efficiency anti-dust solutions. However, current research on the anti …

Influence of topography on nano-mechanical properties of cylindrical magnetron sputtered TiN films

S Atta, AT Mathew, S Dash… - … : Metrology and Properties, 2024 - iopscience.iop.org
Numerous studies on Nano-mechanical behavior of the thin films explained primarily in
terms of their film morphology and particle size rather than film topography. Therefore, the …

Numerical modelling of rough particle contacts subject to normal and tangential loading

S Nadimi, M Otsubo, J Fonseca, C O'Sullivan - Granular Matter, 2019 - Springer
Our understanding of the mechanics of contact behaviour for interacting particles has been
developed mostly assuming that surfaces are smooth. However, real particles of interest in …

Fatigue damage assessment of metal sandwich panels under four-point bending cyclic loading conditions

MK Faidzi, S Abdullah, SSK Singh, MF Abdullah… - International Journal of …, 2022 - Elsevier
This paper aims to investigate the effects on metal sandwich panels with different dimple
core designs using four-point bending simulation under constant and variable amplitude …