Fracture toughness of two-dimensional materials dominated by edge energy anisotropy

M Yu, Z Zhao, W Guo, Z Zhang - Journal of the Mechanics and Physics of …, 2024 - Elsevier
Abstract Two-dimensional materials (2DMs) are prone to brittle failure under load but a
recent experiment has demonstrated intrinsic toughening in hexagonal boron nitride (h-BN) …

Exploring fracture of H-BN and graphene by neural network force fields

P Shi, Z Xu - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Extreme mechanical processes such as strong lattice distortion and bond breakage during
fracture often lead to catastrophic failure of materials and structures. Understanding the …

Advances in modeling complex materials: The rise of neuroevolution potentials

P Ying, C Qian, R Zhao, Y Wang, F Ding… - arxiv preprint arxiv …, 2025 - arxiv.org
Interatomic potentials are essential for driving molecular dynamics (MD) simulations, directly
impacting the reliability of predictions regarding the physical and chemical properties of …

[HTML][HTML] Strength of 2D glasses explored by machine-learning force fields

P Shi, Z Xu - Journal of Applied Physics, 2024 - pubs.aip.org
The strengths of glasses are intricately linked to their atomic-level heterogeneity. Atomistic
simulations are frequently used to investigate the statistical physics of this relationship …

Asymmetric nanofracture in WS2 for its local toughness anisotropy

X Yang, B Zhang - Physica Scripta, 2024 - iopscience.iop.org
Fracture in crystal lattices usually occurs with discrete atomic bond breakages around the
crack tip. WS 2 involves three-layer atomic structures, where the atomic stress near the crack …

Cooperating Cracks in Two-Dimensional Crystals

S Feng, X Zheng, P Shi, TH Ly, J Zhao, Z Xu - arxiv preprint arxiv …, 2024 - arxiv.org
The pattern development of multiple cracks in extremely anisotropic solids such as bilayer or
multilayer two-dimensional (2D) crystals contains rich physics, which, however, remains …

On the Edge Roughness of Two-Dimensional Materials

P Shi, Z Xu - arxiv preprint arxiv:2407.14134, 2024 - arxiv.org
This study examines the roughness of mechanically cleaved edges in 2D crystals and
glasses using molecular dynamics simulations with chemically accurate machine-learning …

Molecular dynamics simulations of crack size influence on silver nanoplates' mechanical properties

B Zhan, Q Yang - Tenth International Conference on …, 2024 - spiedigitallibrary.org
Using molecular dynamics simulations, we investigated the uniaxial tensile properties of
silver nanoplates at 300 K, simulating the effects of constant strain rate and various crack …