Tailoring planar slip to achieve pure metal-like ductility in body-centred-cubic multi-principal element alloys

L Wang, J Ding, S Chen, K Jin, Q Zhang, J Cui… - Nature Materials, 2023 - nature.com
Uniform tensile ductility (UTD) is crucial for the forming/machining capabilities of structural
materials. Normally, planar-slip induced narrow deformation bands localize the plastic …

Kink bands promote exceptional fracture resistance in a NbTaTiHf refractory medium-entropy alloy

DH Cook, P Kumar, MI Payne, CH Belcher, P Borges… - Science, 2024 - science.org
Single-phase body-centered cubic (bcc) refractory medium-or high-entropy alloys can retain
compressive strength at elevated temperatures but suffer from extremely low tensile ductility …

Three-dimensional atomic structure and local chemical order of medium-and high-entropy nanoalloys

S Moniri, Y Yang, J Ding, Y Yuan, J Zhou, L Yang… - Nature, 2023 - nature.com
Medium-and high-entropy alloys (M/HEAs) mix several principal elements with near-
equiatomic composition and represent a model-shift strategy for designing previously …

Elastic modelling of lattice distortions in concentrated random alloys

B Sboui, D Rodney, PA Geslin - Acta Materialia, 2023 - Elsevier
Lattice distortions, ie small atomic displacements away from the average lattice, are linked to
a number of functional and mechanical properties of concentrated metallic alloys …

Investigation on the high strength and improved creep behavior of in-situ (Al2O3+ ZrB2)/7055 Al nanocomposites

L Huang, X Kai, W Qian, C Guan, P Zhao… - Materials Science and …, 2023 - Elsevier
In this paper, 7055 Al composites reinforced by Al 2 O 3 and ZrB 2 nanoparticles were
fabricated by in-situ reaction. The adhesion (Wad) of the ZrB 2/Al interface was 3.91 J/m 2 …

Nanoindentation avalanches and dislocation structures in HfNbTiZr high entropy alloy

YZ Yin, Y Lu, TP Zhang, WZ Han - Scripta Materialia, 2023 - Elsevier
High temperature nanoindentation was performed on a refractory HfNbTiZr high-entropy
alloy to probe the unique dislocation behaviors. Anomalous nanoindenation avalanche …

Microstructures and micromechanical behaviors of high-entropy alloys investigated by synchrotron X-ray and neutron diffraction techniques: A review

Y Huang, N Xu, H Lu, Y Ren, S Li, Y Wang - International Journal of …, 2024 - Springer
High-entropy alloys (HEAs) possess outstanding features such as corrosion resistance,
irradiation resistance, and good mechanical properties. A few HEAs have found applications …

[HTML][HTML] Structure, Properties, and Corrosion Behavior of Ti-Rich TiZrNbTa Medium-Entropy Alloys with β+ α ″+ α′ for Biomedical Application

KK Wong, HC Hsu, SC Wu, TL Hung, WF Ho - Materials, 2022 - mdpi.com
Five Ti-rich β+ α ″+ α′ Ti–Zr–Nb–Ta biomedical medium-entropy alloys with excellent
mechanical properties and corrosion resistance were developed by considering …

Three-dimensional atomic positions and local chemical order of medium-and high-entropy alloys

S Moniri, Y Yang, Y Yuan, J Zhou, L Yang… - arXiv preprint arXiv …, 2023 - arxiv.org
Medium-and high-entropy alloys (M/HEAs) mix multiple principal elements with near-
equiatomic composition and represent a paradigm-shift strategy for designing new materials …

[HTML][HTML] Local lattice distortions and the structural instabilities in bcc Nb–Ta–Ti–Hf high-entropy alloys: An ab initio computational study

PPPO Borges, RO Ritchie, M Asta - Acta Materialia, 2024 - Elsevier
Local lattice distortions (LLD) and structural stability of body-centered cubic (bcc) Nb–Ta–Ti–
Hf high-entropy alloys (HEAs) are studied as functions of composition employing ab initio …