The role of strain rate in microstructure evolution, deformation heterogeneity and cracking mode of high-pressure die-casting Al7Si0. 2Mg alloy

Y Yang, J Zheng, S Huang, L Yang, X Cheng… - Materials Science and …, 2023 - Elsevier
The quasi-static and dynamic deformation behaviours of high-pressure die-casting (HPDC)
Al7Si0. 2 Mg alloy were studied in this work. Competing effects among porosities, α-Al …

Machine learning reveals strain-rate-dependent predictability of discrete dislocation plasticity

M Mińkowski, D Kurunczi-Papp, L Laurson - Physical Review Materials, 2022 - APS
Predicting the behavior of complex systems is one of the main goals of science. An important
example is plastic deformation of micron-scale crystals, a process mediated by collective …

Dislocation avalanches from strain-controlled loading: A discrete dislocation dynamics study

D Kurunczi-Papp, L Laurson - Physical Review E, 2021 - APS
We study strain-controlled plastic deformation of crystalline solids via two-dimensional
discrete dislocation dynamics simulations. To this end, we characterize the average stress …

Molecular dynamics study of deformation mechanism of interfacial microzone of Cu/Al2Cu/Al composites under tension

Y Chen, A Wang, Z Guo, J Xie - Nanotechnology Reviews, 2022 - degruyter.com
The micromechanical behavior of an Al/Al2Cu/Cu multilayer with characteristic crystal
orientation during uniaxial tensile deformation was investigated by molecular dynamics. The …

[HTML][HTML] Mechanical properties of base metal and heat-affected zone in friction-stir-welded AA6061-T6 at ultra-low temperature of 20 K

TD Nguyen, C Singh, YS Kim, JH Han, DH Lee… - Journal of Materials …, 2024 - Elsevier
This study investigates the mechanical properties of a friction-stir-welded (FSW) AA6061-T6
aluminum alloy at ultra-low temperature (ULT) of 20 K. In-situ neutron diffraction and …

A kinetic study of mechanically activated atom exchange: the effect of milling frequency and ball mass

M Carta, S Lukin, F Delogu, I Halasz - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
This study investigates the mechanochemical reaction of hydrogen isotope exchange
between solid benzoic acid and liquid heavy water. The systematic change of milling …

Evaluating the electromigration effect on mechanical performance degradation of aluminum interconnection wires: A nanoindentation test with molecular dynamics …

S Feng, L Du, Z Cui, X Zhu, X Fan, G Zhang… - Applied Surface Science, 2024 - Elsevier
Electromigration (EM) is a crucial failure mode in Aluminum (Al) interconnection wires those
are widely used in high density semiconductor packaging. This study systematically …

Enhanced stress relaxation behavior via basal< a> dislocation activity in Zircaloy-4 cladding

M Nelson, S Samuha, B Kombaiah… - Journal of Nuclear …, 2024 - Elsevier
This work evaluates the stress relaxation behavior of textured Zircaloy-4 cladding to
understand how mechanical anisotropy influences pellet-cladding interactions. Uniaxial and …

[HTML][HTML] Effect of heat treatment before fast multiple rotation rolling on friction surfaced Al-Si-Cu alloy

SM Bararpour, HJ Aval, R Jamaati… - Journal of Materials …, 2024 - Elsevier
In this study the effect of combination of heat treatment of consumable rod and solid solution
heat treatment before fast multiple rotation rolling (FMRR) processing on microstructure …

A statistical perspective for predicting the strength of metals: Revisiting the Hall–Petch relationship using machine learning

Y Gu, CD Stiles, JA El-Awady - Acta Materialia, 2024 - Elsevier
The mechanical properties of a material are intimately related to its microstructure. This is
particularly important for predicting mechanical behavior of polycrystalline metals, where …