STZ-Vortex model: The key to understand STZ percolation and shear banding in metallic glasses

D Şopu - Journal of Alloys and Compounds, 2023 - Elsevier
The fast dynamics and localized nature of shear banding together with the disordered
structure of metallic glasses make it difficult to gain an understanding of the mechanism of …

[HTML][HTML] Molecular mechanics of disordered solids

F Bamer, F Ebrahem, B Markert, B Stamm - Archives of Computational …, 2023 - Springer
Disordered solids are ubiquitous in engineering and everyday use. Although research has
made considerable progress in the last decades, our understanding of the mechanics of …

Identifying microscopic factors that influence ductility in disordered solids

H Xiao, G Zhang, E Yang, R Ivancic… - Proceedings of the …, 2023 - National Acad Sciences
There are empirical strategies for tuning the degree of strain localization in disordered
solids, but they are system-specific and no theoretical framework explains their effectiveness …

Implementation and calibration of a mesoscale model for amorphous plasticity based on shear transformation dynamics

F Van Loock, L Brassart, T Pardoen - International Journal of Plasticity, 2021 - Elsevier
A mesoscale numerical model based on shear transformation zone (STZ) theory is
implemented in a commercial finite element software. The model is designed to predict the …

Mapping and modeling physicochemical fields in solid-state batteries

ZT Sun, J Zhou, Y Wu, SH Bo - The Journal of Physical Chemistry …, 2022 - ACS Publications
The safety and energy density of solid-state batteries can be, in principle, substantially
increased compared with that of conventional lithium-ion batteries. However, the use of solid …

Topological characterization of rearrangements in amorphous solids

P Desmarchelier, S Fajardo, ML Falk - Physical Review E, 2024 - APS
In amorphous materials, plasticity is localized and occurs as shear transformations. It was
recently shown by Wu et al. that these shear transformations can be predicted by applying …

Vibrations and Heat Transfer in Glasses: the role played by Disorder

A Tanguy - Comptes Rendus. Physique, 2023 - comptes-rendus.academie-sciences …
Amorphous materials are also distinguished from crystals by their thermal properties. The
structural disorder seems to be responsible both for a significant increase in heat capacity …

[HTML][HTML] Rheological properties of Mg2SiO4 glass: A molecular dynamics study

V Delbecq, P Carrez, P Cordier - Journal of Non-Crystalline Solids, 2023 - Elsevier
We report an initial investigation of the rheology of Mg 2 SiO 4 glass through classical
molecular dynamics simulations. We performed simple shear tests at different temperatures …

[HTML][HTML] Surface Roughness-Induced Stress Concentration

BNJ Persson - Tribology Letters, 2023 - Springer
When a body is exposed to external forces large local stresses may occur at the surface
because of surface roughness. Surface stress concentration is important for many …

Friction mechanisms of Ni-based and Zr-based bulk metallic glasses under different contact pressures

Z Zhou, S Albahrani, Y Ren, R Daudin, L Lafarge… - Tribology …, 2024 - Elsevier
Pin-on-plane dry friction tests of Ni-based and Zr-based bulk metallic glasses were
performed at ambient temperature under reciprocating sliding condition at 4 mm/s, under …