Coupled thermo-hydro-mechanical modelling for geothermal doublet system with 3D fractal fracture

J Liu, Y Xue, Q Zhang, H Wang, S Wang - Applied Thermal Engineering, 2022 - Elsevier
The existence of preferential flow paths, such as fractures and/or fault play an vital role on
the thermal breakthrough of geothermal doublet system. The interaction between the …

Revealing nanoscale material deformation mechanism and surface/subsurface characteristics in vibration-assisted nano-grinding of single-crystal iron

W Huang, J Tang, W Zhou, W Shao, M Yi, X Zhao… - Applied Surface …, 2022 - Elsevier
Ultrasonic vibration-assisted grinding (UVAG) has attracted extensive attention as it can
significantly improve the surface integrity of the machined workpiece. However, the atom …

Nanomachining characteristics of textured polycrystalline NiFeCo alloy using molecular dynamics

DQ Doan, TH Fang, TH Chen - Journal of Manufacturing Processes, 2022 - Elsevier
This work investigates the grinding process of a polycrystalline NiFeCo alloy through
molecular dynamics (MD) simulation. The important factors that affect the grinding …

Atomistic understanding of rough surface on the interfacial friction behavior during the chemical mechanical polishing process of diamond

S Yuan, X Guo, H Wang, R Kang, S Gao - Friction, 2024 - Springer
The roughness of the contact surface exerts a vital role in rubbing. It is still a significant
challenge to understand the microscopic contact of the rough surface at the atomic level …

Atomistic simulations of the thinning process of tantalum/copper heterostructure in wafer containing through silicon via

K Xu, Y Zhou, Z Yu, Y Gao, Y Chen, X Lei, C Xiong… - Applied Surface …, 2024 - Elsevier
Through silicon via (TSV) interconnect structure plays an essential role in high-density 3-D
integration. The tantalum (Ta)/copper (Cu) heterointerface is one of the significant interfaces …

A molecular dynamic study of nano-grinding of a monocrystalline copper-silicon substrate

Y Xu, M Wang, F Zhu, X Liu, Q Chen, J Hu, Z Lu… - Applied Surface …, 2019 - Elsevier
We performed molecular dynamics simulations to study the nano-grinding process of copper-
silicon with a single diamond abrasive grain. The Cu-Si model was based on the modified …

Material removal and surface evolution of single crystal silicon during ion beam polishing

H Xiao, Y Dai, J Duan, Y Tian, J Li - Applied Surface Science, 2021 - Elsevier
The ion beam polishing techniques for silicon wafers play a key role in the fabrication of
optical element. However, the dynamical ion beam polishing process at nanoscale time and …

[HTML][HTML] Grain size effects on nanocutting behaviour modelling based on molecular dynamics simulations

M Papanikolaou, K Salonitis - Applied Surface Science, 2021 - Elsevier
Grain size is one of the most critical factors affecting the mechanical and thermal properties
of metallic materials. In this study the effect of the grain size of a workpiece made of pure …

Normal contact analysis between two self-affine fractal surfaces at the nanoscale by molecular dynamics simulations

B Wu, Y Sun - Tribology Letters, 2023 - Springer
This work attempts to investigate contact between two self-affine fractal surfaces with one
being of a rigid solid and other of a FCC deformable body. A normal contact model between …

Atomic-scale insights into the microstructure and interface evolution mechanism of copper/tantalum nanofilms during ultra-precision grinding

K Xu, Y Zhou, Y Gao, Y Chen, X Lei, Z Yu, F Zhu - Surfaces and Interfaces, 2024 - Elsevier
Abstract The copper (Cu)/tantalum (Ta) nanofilms are the vital component in the through
silicon via (TSV) wafer. However, the current lack of research on the ultra-precision …