[HTML][HTML] Current application status of multi-scale simulation and machine learning in research on high-entropy alloys

D Jiang, L Xie, L Wang - Journal of Materials Research and Technology, 2023 - Elsevier
High-entropy alloys (HEAs) have garnered significant attention across various fields owing
to their unique design incorporating multi-principal elements and remarkable …

Revealing the deformation mechanisms of< 110> symmetric tilt grain boundaries in CoCrNi medium-entropy alloy

D Hua, Q Zhou, Y Shi, S Li, K Hua, H Wang, S Li… - International Journal of …, 2023 - Elsevier
The synergy of multiple deformation mechanisms responsible for the excellent mechanical
properties attracts an increasing interest in CoCrNi medium entropy alloy (MEA). In this …

Controllable selection of martensitic variant enables concurrent enhancement of strength and ductility in a low-carbon steel

TW Yin, YF Shen, N Jia, YJ Li, WY Xue - International Journal of Plasticity, 2023 - Elsevier
A novel strategy through controlling the selection of martensitic variant in metallic materials
is proposed to break through the trade-off between strength and ductility. Here we prepared …

[HTML][HTML] Models of dislocation glide and strengthening mechanisms in bcc complex concentrated alloys

X Zhou, X Wang, L Fey, S He, I Beyerlein, P Cao… - MRS Bulletin, 2023 - Springer
The mechanical response of complex concentrated alloys (CCAs) deviates from that of their
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …

Grain size and scratching depth dependent tribological characteristics of CrCoNi medium-entropy alloy coatings: A molecular dynamics simulation study

J Zhang, G Deng, W Li, S Li, Y Yan, X Liu, T Ma… - Surface and Coatings …, 2023 - Elsevier
In this work, we have investigated the impact of grain size and scratching depth on the
tribological behavior of nanocrystalline CrCoNi medium-entropy alloy (MEA) coatings during …

Quantifying chemical short-range order in metallic alloys

K Sheriff, Y Cao, T Smidt… - Proceedings of the …, 2024 - National Acad Sciences
Metallic alloys often form phases—known as solid solutions—in which chemical elements
are spread out on the same crystal lattice in an almost random manner. The tendency of …

Cooperative deformation mechanisms in a fatigued CoCrNi multi-principal element alloy: A case of low stacking fault energy

K Lu, A Chauhan, D Litvinov, M Schneider… - Journal of the …, 2023 - Elsevier
Multi-principal element alloys (MPEAs) of low stacking fault energies (SFEs) often exhibit
outstanding damage tolerance. In contrast to the well-understood monotonic deformation …

Defect-induced inhomogeneous atomic environments in complex concentrated alloys

Y Xia, S Lyu, W Li, Y Chen, AHW Ngan - International Journal of Plasticity, 2023 - Elsevier
The multiple elements in equal ratios in complex concentrated alloys (CCAs) favor the
formation of local atomic environments like segregation or chemical ordering observed in …

Inhibition effect of segregation and chemical order on grain boundary migration in NbMoTaW multi-principal element alloy

XT Li, XZ Tang, YF Guo - Scripta Materialia, 2023 - Elsevier
The impacts of solute segregation and chemical order on grain boundary (GB) migration are
investigated by atomistic simulations in the NbMoTaW multi-principal element alloy (MPEA) …

[HTML][HTML] Influence of grain size on mechanical properties of a refractory high entropy alloy under uniaxial tension

O Deluigi, F Valencia, DR Tramontina, N Amigo… - Crystals, 2023 - mdpi.com
There is a growing interest in High Entropy Alloys (HEAs) due to their outstanding
mechanical properties. Most simulation studies have focused on face-centered cubic (fcc) …