Distinct point defect behaviours in body-centered cubic medium-entropy alloy NbZrTi induced by severe lattice distortion

T Shi, Z Su, J Li, C Liu, J Yang, X He, D Yun, Q Peng… - Acta Materialia, 2022 - Elsevier
The point defect properties of body-centered cubic medium-entropy alloy NbZrTi were
studied by first-principles calculations. Due to severe lattice distortion, a significant portion of …

The evolution of dislocation loop and its interaction with pre-existing dislocation in He+-irradiated molybdenum: in-situ TEM observation and molecular dynamics …

Y Li, G Ran, Y Guo, Z Sun, X Liu, Y Li, X Qiu, Y Xin - Acta Materialia, 2020 - Elsevier
In-situ TEM observation and molecular dynamics simulation were used to investigate the
evolution of irradiation-induced dislocation loops and their interactions with the pre-existing …

Molecular dynamics simulations of scratching characteristics in vibration-assisted nano-scratch of single-crystal silicon

Y Chen, Z Hu, J Jin, L Li, Y Yu, Q Peng, X Xu - Applied Surface Science, 2021 - Elsevier
Vibration-assisted grinding improves machining quality and efficiency over conventional
grinding, whereas its atomistic mechanism remains unclear. In this study, we investigated …

Radiation-assisted chemical short-range order formation in high-entropy alloys

Z Su, T Shi, H Shen, L Jiang, L Wu, M Song, Z Li… - Scripta Materialia, 2022 - Elsevier
The chemical short-range order (CSRO) in a face-centered cubic equiatomic NiCoFeCrMn
high-entropy alloy was revealed directly from advanced transmission electron microscopy in …

Large-scale machine-learning molecular dynamics simulation of primary radiation damage in tungsten

J Liu, J Byggmästar, Z Fan, P Qian, Y Su - Physical Review B, 2023 - APS
Simulating collision cascades and radiation damage poses a long-standing challenge for
existing interatomic potentials, both in terms of accuracy and efficiency. Machine-learning …

Angular-dependent interatomic potential for large-scale atomistic simulation of iron: Development and comprehensive comparison with existing interatomic models

S Starikov, D Smirnova, T Pradhan, Y Lysogorskiy… - Physical Review …, 2021 - APS
The development of classical interatomic potential for iron is a quite demanding task with a
long history background. A new interatomic potential for simulation of iron was created with …

Tensile mechanical properties of CoCrFeNiTiAl high entropy alloy via molecular dynamics simulations

ZH Sun, J Zhang, GX Xin, L Xie, LC Yang, Q Peng - Intermetallics, 2022 - Elsevier
High-entropy alloys (HEAs) are a new type of multi-principal metal materials that exhibit
excellent mechanical properties, good thermal stability, and high corrosion resistance, with …

Atomistic modeling of radiation damage in crystalline materials

CS Deo, EY Chen, R Dingeville - Modelling and Simulation in …, 2021 - iopscience.iop.org
This review discusses atomistic modeling techniques used to simulate radiation damage in
crystalline materials. Radiation damage due to energetic particles results in the formation of …

Orientation-dependent phase transition pathways of single-crystal nickel over large shock range

T Liu, L Chen, W Li, Z Liu, J Zhang, X Zhang… - International Journal of …, 2024 - Elsevier
The response of single crystals to increasing shock strength involves complex phase
transition processes from solid-solid to solid-liquid phases. However, it is not yet fully …

Coupling of double grains enforces the grinding process in vibration-assisted scratch: insights from molecular dynamics

Z Hu, Y Chen, Z Lai, Y Yu, X Xu, Q Peng… - Journal of Materials …, 2022 - Elsevier
Coupling of multiple abrasive grains is crucial for the efficiency in the grinding process and
grinder design. Here the coupling effect in a double-grain model in vibration-assisted …