Nanoindentation/scratching at finite temperatures: Insights from atomistic-based modeling

SZ Chavoshi, S Xu - Progress in Materials Science, 2019 - Elsevier
Atomistic-based multiscale and molecular dynamics modeling are powerful tools to simulate
the localized strain problems, offering tremendous opportunities to bridge the knowledge …

Review of molecular dynamics/experimental study of diamond-silicon behavior in nanoscale machining

LN Abdulkadir, K Abou-El-Hossein, AI Jumare… - … International Journal of …, 2018 - Springer
Surface integrity of parts can seriously be damaged by mechanical and thermal loads during
machining leading to crack initiation, constraining of parts or damage. At present, it is very …

Study on strain rate and heat effect on the removal mechanism of SiC during nano-scratching process by molecular dynamics simulation

B Meng, D Yuan, S Xu - International Journal of Mechanical Sciences, 2019 - Elsevier
To study the influence of strain rate and heat effect on the removal behavior of SiC, the
dislocation nucleation/propagation, amorphization and abrasive wear behavior are …

Cutting mechanism of reaction-bonded silicon carbide in laser-assisted ultra-precision machining

C Liu, J Ke, T Yin, WS Yip, J Zhang, S To… - International Journal of …, 2024 - Elsevier
Reaction-bonded silicon carbide (RB-SiC) is an important material used in aerospace
optical systems. Due to the property mismatch between Si and SiC phases, the underlying …

Strain rate effect on material deformation and removal behavior during high speed scratching of 4H‐SiC

R Zhang, B Wang, Z Liu, L Jiang, Y Cai, Q Song - Tribology International, 2023 - Elsevier
The effects of strain rate on material deformation and tribology behavior of 4H‐SiC are
studied with high speed scratching tests, which represent typical processing modes of SiC …

Atomic-scale investigation of Pt composition on deformation mechanism of AuPt alloy during nano-scratching process

C Liu, Z Zhuang, J Chen, WS Yip, S To - Surfaces and Interfaces, 2023 - Elsevier
In this research, we performed molecular dynamics (MD) simulation to investigate the
material removal mechanism and subsurface damage formation during nano-scratching of …

Understanding of highly-oriented 3C-SiC ductile-brittle transition mechanism in ELID ultra-precision grinding

M Yang, C Liu, B Guo, K Liu, R Tu, H Ohmori… - Materials …, 2023 - Elsevier
Highly-oriented 3C-SiC possesses good out-of-plane orientation uniformity, and has more
potential to obtain uniform surface quality during ultra-precision machining, compared with …

Laser-assisted slow tool servo diamond turning of single-crystal silicon for fabricating micro-lens arrays

H Du, D Zhao, C Liu, H Chen, S To - Journal of Manufacturing Processes, 2024 - Elsevier
Single-crystal silicon is extensively applied in electronic devices, but the traditional
ultraprecision diamond turning methods easily cause worse surface quality or surface …

[HTML][HTML] Effect of anisotropy on deformation and crack formation under the brittle removal of 6H-SiC during SPDT process

B Meng, C Li - Journal of Advanced Research, 2024 - Elsevier
Abstract Introduction Monocrystal SiC is representative of the third generation
semiconductor materials, the efficient process technology of 6H-SiC wafer have always …

Coupling effect on the removal mechanism and surface/subsurface characteristics of SiC during grinding process at the nanoscale

B Meng, D Yuan, S Xu - Ceramics International, 2019 - Elsevier
In this study, the influence mechanism of the coupling effect on the material removal process
of SiC in nanoscale condition is investigated using the molecular dynamics method. The …