Mechanical properties of high-entropy alloys with emphasis on face-centered cubic alloys

Z Li, S Zhao, RO Ritchie, MA Meyers - Progress in Materials Science, 2019 - Elsevier
Abstract High-entropy alloys (HEAs), also known as multi-principal element alloys or multi-
component alloys, have been the subject of numerous investigations since they were first …

Towards understanding the brittle–ductile transition in the extreme manufacturing

T Zhang, F Jiang, H Huang, J Lu, Y Wu… - … Journal of Extreme …, 2021 - iopscience.iop.org
The brittle–ductile transition (BDT) widely exists in the manufacturing with extremely small
deformation scale, thermally assisted machining, and high-speed machining. This paper …

Manipulating the interfacial structure of nanomaterials to achieve a unique combination of strength and ductility

A Khalajhedayati, Z Pan, TJ Rupert - Nature communications, 2016 - nature.com
The control of interfaces in engineered nanostructured materials has met limited success
compared with that which has evolved in natural materials, where hierarchical structures …

Grain-size dependent mechanical behavior of nanocrystalline metals

EN Hahn, MA Meyers - Materials Science and Engineering: A, 2015 - Elsevier
Grain size has a profound effect on the mechanical response of metals. Molecular dynamics
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …

Spectrum of grain boundary segregation energies in a polycrystal

M Wagih, CA Schuh - Acta Materialia, 2019 - Elsevier
Solute segregation at grain boundaries (GBs) is emerging as an alloy design tool, uses of
which include the stabilization of nanocrystalline alloys. To predict the equilibrium …

Direct solidification of bulk ultrafine-microstructure eutectic high-entropy alloys with outstanding thermal stability

H Jiang, D Qiao, Y Lu, Z Ren, Z Cao, T Wang, T Li - Scripta Materialia, 2019 - Elsevier
Although nanostructured (NS) and ultrafine-microstructure (UFM) materials possess
excellent mechanical properties, how to manufacture bulk NS and UFM materials with …

[HTML][HTML] A coherent set of model equations for various surface and interface energies in systems with liquid and solid metals and alloys

G Kaptay - Advances in colloid and interface science, 2020 - Elsevier
In this paper first a generally valid model is derived from the two fundamental equations of
Gibbs for temperature and composition dependences of all types of interfacial energies. This …

Stabilization of nanocrystalline alloys at high temperatures via utilizing high-entropy grain boundary complexions

N Zhou, T Hu, J Huang, J Luo - Scripta Materialia, 2016 - Elsevier
Multicomponent alloying can be utilized to enhance the thermal stability of nanocrystalline
alloys. The grain boundary energy can be reduced significantly via both bulk and grain …

Nanocrystalline materials: synthesis, characterization, properties, and applications

AK Kushwaha, M John, M Misra, PL Menezes - Crystals, 2021 - mdpi.com
Nanostructuring is a commonly employed method of obtaining superior mechanical
properties in metals and alloys. Compared to conventional polycrystalline counterparts …

Amorphous intergranular films as toughening structural features

Z Pan, TJ Rupert - Acta Materialia, 2015 - Elsevier
The ability of amorphous intergranular films to mitigate damage formation at grain
boundaries is studied with molecular dynamics simulations. We find that such films can alter …