Deformation mechanisms in high entropy alloys: a minireview of short-range order effects

N Rasooli, W Chen, M Daly - Nanoscale, 2024 - pubs.rsc.org
The complex atomic scale structure of high entropy alloys presents new opportunities to
expand the deformation theories of mechanical metallurgy. In this regard, solute-defect …

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 …

Element-dependent evolution of chemical short-range ordering tendency of NiCoFeCrMn under irradiation

Y Zhou, T Shi, J Li, L Wu, Q Peng, C Lu - International Journal of Plasticity, 2023 - Elsevier
The evolution of short-range order (SRO) structures under irradiation has a great impact on
the mechanical properties of high-entropy alloys. In this study, the atomistic mechanism of …

Recent advances in computational design of structural multi-principal element alloys

A Anand, SJ Liu, CV Singh - Iscience, 2023 - cell.com
Multi-principal element alloys (MPEAs) have gained extensive interest for structural
applications owing to their excellent strength, fracture toughness, wear resistance, creep …

Minimizing the diffusivity difference between vacancies and interstitials in multi-principal element alloys

B Zhang, Z Zhang, K Xun, M Asta… - Proceedings of the …, 2024 - National Acad Sciences
Interstitial atoms usually diffuse much faster than vacancies, which is often the root cause for
the ineffective recombination of point defects in metals under irradiation. Here, via ab initio …

Molecular dynamics simulations of primary cascade damage in FeCoCrNiCu high-entropy alloys

Y He, W Shi, C Han, K He, C Liu, Z Chen… - Journal of Alloys and …, 2024 - Elsevier
Molecular dynamics simulations have been performed to study the generation and evolution
of the primary cascade damage in a series of alloys containing one or several metallic …

Influence of ion‐induced lattice stress and phase transition on the irradiation resistance of high‐entropy ceramics

J He, M Song, M Yang, M Zhu - Journal of the American …, 2024 - Wiley Online Library
The influence of ion irradiation on intrinsic lattice stress and phase transition is closely
related to the irradiation resistance of high‐entropy ceramics. In this study, the ion‐induced …

Tunable interstitial and vacancy diffusivity by chemical ordering control in CrCoNi medium-entropy alloy

Y Li, JP Du, S Shinzato, S Ogata - npj Computational Materials, 2024 - nature.com
In this study, we utilized a quantitative atomistic analysis approach to investigate the impact
of chemical ordering structures on the diffusion behavior of interstitials and vacancies within …

Capturing short-range order in high-entropy alloys with machine learning potentials

Y Cao, K Sheriff, R Freitas - arXiv preprint arXiv:2401.06622, 2024 - arxiv.org
Chemical short-range order (SRO) affects the distribution of elements throughout the solid-
solution phase of metallic alloys, thereby modifying the background against which …

[HTML][HTML] Tailoring short-range order and dislocation evolution in Cr–Co–Ni medium-entropy alloys: A molecular dynamics study

A Jarlöv, W Ji, R Babicheva, Y Tian, Z Hu, HL Seet… - Materials & Design, 2024 - Elsevier
The research community has recently been captivated by the atomic-scale short-range order
observed in high-and medium-entropy alloys. However, significant challenges persist in …