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 …

Chemical-motif characterization of short-range order with E (3)-equivariant graph neural networks

K Sheriff, Y Cao, R Freitas - npj Computational Materials, 2024 - nature.com
Crystalline materials have atomic-scale fluctuations in their chemical composition that
modulate various mesoscale properties. Establishing chemistry–microstructure relationships …

Comprehensive analysis of ordering in CoCrNi and CrNi2 alloys

VP Bacurau, PAFP Moreira, G Bertoli… - Nature …, 2024 - nature.com
Abstract Chemical Short-Range Order (CSRO) has attracted recent attention from many
researchers, creating intense debates about its impact on material properties. The …

Critical impacts of thermodynamic instability and short-range order on deformation mechanisms of VCoNi medium-entropy alloy

TH Chou, WP Li, LY Zhu, F Zhu, XC Li, J Huang… - Acta Materialia, 2024 - Elsevier
Short-range order (SRO) has made a splash in the recent research on multi-principal
element alloys (MPEAs), among which the equiatomic VCoNi alloy was regarded as the …

Multiple origins of extra electron diffractions in fcc metals

F Walsh, M Zhang, RO Ritchie, M Asta, AM Minor - Science Advances, 2024 - science.org
Diffuse intensities in the electron diffraction patterns of concentrated face-centered cubic
solid solutions have been widely attributed to chemical short-range order, although this …

[HTML][HTML] A machine learning-driven framework for the property prediction and generative design of multiple principal element alloys

Z Li, S Li, N Birbilis - Materials Today Communications, 2024 - Elsevier
Multi-principal element alloys (MPEAs), inclusive of so-called high entropy alloys (HEAs),
represent an innovative class of metallic materials that reveal unique properties and …

Complex concentrated alloys and chemical short-range ordering

IJ Beyerlein, P Cao, TM Pollock - MRS Bulletin, 2023 - Springer
Complex concentrated alloys (CCAs) are materials comprising three or more elements in
similar proportions and possessing structural but no chemical long-range order. Fascination …

TiZrHfNb refractory high-entropy alloys with twinning-induced plasticity

S Wang, D Shu, P Shi, X Zhang, B Mao, D Wang… - Journal of Materials …, 2024 - Elsevier
The twinning-induced plasticity (TWIP) effect has been widely utilized in austenite steels, β-
Ti alloys, and recently developed face-centered-cubic (FCC) high-entropy alloys (HEAs) to …

[HTML][HTML] Dynamic mechanical performance of FeNiCoAl-based high-entropy alloy: Enhancement via microbands and martensitic transformation

A Huang, C Zhang, Z Li, H Wang, M Xu, C Zhu… - Materials Today …, 2023 - Elsevier
The non-equiatomic FeNiCoAlTaB high-entropy alloy exhibits outstanding quasi-static
mechanical properties. Here, we investigate the microstructural evolution and mechanical …

Compositional fluctuation and local chemical ordering in multi-principal element alloys

E Ma, J Ding - Journal of Materials Science & Technology, 2024 - Elsevier
The recently emerging multi-principal element alloys (MPEAs) are attracting widespread
attention. This naturally raises a materials science question as to what is new in the …