Fracture behavior in battery materials

P Li, Y Zhao, Y Shen, SH Bo - Journal of Physics: Energy, 2020 - iopscience.iop.org
The fracture of battery materials is one of the main causes of battery degradation. This issue
is further amplified in emerging solid-state batteries, where the more robust interface …

Approximate plastic yield criteria of geomaterials with pores and grains embedded in a porous matrix

WQ Shen - International Journal of Plasticity, 2022 - Elsevier
Mineral grains and porosity are two common properties of geomaterials. This study focuses
on establishing a macroscopic yield criterion for geomaterials having pores and mineral …

Crack path predictions in heterogeneous media by machine learning

M Worthington, HB Chew - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
The interaction between stress fields at the crack-tip and nearby microstructural
heterogeneities influences the crack path, and in turn, the effective fracture toughness of a …

[HTML][HTML] Numerical and experimental crack-tip cohesive zone laws with physics-informed neural networks

H Tran, YF Gao, HB Chew - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
The cohesive zone law represents the constitutive traction versus separation response
along the crack-tip process zone of a material, which bridges the microscopic fracture …

On the calibration of the cohesive strength for cohesive zone models in finite element analyses

M Linke, R Lammering - Theoretical and Applied Fracture Mechanics, 2023 - Elsevier
Cohesive zone models are commonly used to numerically model fracture phenomena on
the microscale. Typical fracture processes are described experimentally via the Double …

Dual-scale porosity effects on crack growth in additively manufactured metals: 3D ductile fracture models

R Muro-Barrios, Y Cui, J Lambros, HB Chew - Journal of the Mechanics and …, 2022 - Elsevier
The presence of microstructural defects resulting in unpredictable failure behavior has
limited the use of additively manufactured (AM) metals in structural applications. In addition …

Microstructure effects on fatigue crack growth in additively manufactured Ti–6Al–4V

R VanSickle, D Foehring, HB Chew… - Materials Science and …, 2020 - Elsevier
In this work we investigate the relationship between the different microstructural features in
additively-manufactured (AM) Direct Metal Laser Deposited Ti–6Al–4V alloys and the …

Characterizing the tensile behavior of additively manufactured Ti-6Al-4V using multiscale digital image correlation

D Foehring, HB Chew, J Lambros - Materials Science and Engineering: A, 2018 - Elsevier
The tensile behavior of an additively manufactured (AM) Ti-6Al-4V alloy is examined at
multiple length scales using two-dimensional digital image correlation (DIC) techniques. The …

A full-stage fatigue crack growth model for metallic materials

HF Li, P Zhang, ZF Zhang - International Journal of Fatigue, 2023 - Elsevier
In this study, based on the understanding of blunting and re-sharpening to micro-void
coalescence mixed mechanism, a new full-stage fatigue crack growth model is proposed by …

Grain boundary traction signatures: Quantifying the asymmetrical dislocation emission processes under tension and compression

R Li, HB Chew - Journal of the Mechanics and Physics of Solids, 2017 - Elsevier
The disruption in crystallographic arrangement of atoms across a grain boundary interface
generates local stress fields in the vicinity. Here, we reconstruct the continuum-equivalent …