Concurrent prediction of metallic glasses' global energy and internal structural heterogeneity by interpretable machine learning
Predicting glasses' properties from their structures is a formidable challenge because of the
inherently disordered atomic configurations. Here we tackle the problem using a new two …
inherently disordered atomic configurations. Here we tackle the problem using a new two …
Modulating grain boundary-mediated plasticity of high-entropy alloys via chemo-mechanical coupling
Intrinsic chemical disorder and the subsequent interfacial roughening have posed
formidable challenges in elucidating the grain boundary (GB)-mediated plasticity in high …
formidable challenges in elucidating the grain boundary (GB)-mediated plasticity in high …
Atomistic modeling of surface and grain boundary dislocation nucleation in FCC metals
Dislocation nucleation plays a critical role in the plastic deformation of crystalline materials.
However, it is challenging to predict the active mode and associated rate of dislocation …
However, it is challenging to predict the active mode and associated rate of dislocation …
Emergent fractal energy landscape as the origin of stress-accelerated dynamics in amorphous solids
The ageing dynamics in a multiplicity of metastable glasses are investigated at various
thermomechanical conditions. By using data analytics to deconvolute the integral effects of …
thermomechanical conditions. By using data analytics to deconvolute the integral effects of …
Revealing the size effect mechanism of reversible grain boundary migration in nanocrystalline coppers: Molecular dynamics simulations and a refined disconnection …
Reversible grain boundary (GB) migration is of great significance for promoting cyclic
deformability and has been observed in nanocrystalline metals. However, GBs as …
deformability and has been observed in nanocrystalline metals. However, GBs as …
[HTML][HTML] Influence of chemistry and structure on interfacial segregation in NbMoTaW with high-throughput atomistic simulations
Refractory multi-principal element alloys exhibiting promising mechanical properties such as
excellent strength retention at elevated temperatures have been attracting increasing …
excellent strength retention at elevated temperatures have been attracting increasing …
Metastable grain boundaries: the roles of structural and chemical disorders in their energetics, non-equilibrium kinetic evolution, and mechanical behaviors
Complex environments in advanced manufacturing usually involve ultrafast laser or ion
irradiation which leads to rapid heating and cooling and drives grain boundaries (GBs) to …
irradiation which leads to rapid heating and cooling and drives grain boundaries (GBs) to …
Nonmonotonic effect of chemical heterogeneity on interfacial crack growth at high-angle grain boundaries in Fe-Ni-Cr alloys
An intermittent pattern is observed in the modeling of interfacial cyclic-loading crack growth
at high-angle grain boundaries in ternary Fe-Ni-Cr alloys. Different from conventional …
at high-angle grain boundaries in ternary Fe-Ni-Cr alloys. Different from conventional …
Effect of high welding heat input on the microstructure and low-temperature toughness of heat affected zone in magnesium-treated EH36 steel
H Qi, Q Pang, W Li, S Bian - Scientific Reports, 2024 - nature.com
In the present study, the welding thermal cycle of magnesium-treated EH36 steel was
simulated by a thermal simulation experiment machine. The effects of welding heat input on …
simulated by a thermal simulation experiment machine. The effects of welding heat input on …
Predicting the energetics and kinetics of Cr atoms in Fe-Ni-Cr alloys via physics-based machine learning
The energy and activation barrier distributions of Cr atoms in austenitic alloys are
investigated over a multiplicity of modeling samples across a wide range of chemical (eg …
investigated over a multiplicity of modeling samples across a wide range of chemical (eg …