High entropy alloys: A focused review of mechanical properties and deformation mechanisms

EP George, WA Curtin, CC Tasan - Acta Materialia, 2020 - Elsevier
The high-entropy alloy (HEA) concept was based on the idea that high mixing entropy can
promote formation of stable single-phase microstructures. During the past 15 years, various …

Multifunctional high entropy alloys enabled by severe lattice distortion

H Wang, Q He, X Gao, Y Shang, W Zhu… - Advanced …, 2024 - Wiley Online Library
Since 2004, the design of high entropy alloys (HEAs) has generated significant interest
within the materials science community due to their exceptional structural and functional …

Atomistic simulations of dislocation mobility in refractory high-entropy alloys and the effect of chemical short-range order

S Yin, Y Zuo, A Abu-Odeh, H Zheng, XG Li… - Nature …, 2021 - nature.com
Refractory high-entropy alloys (RHEAs) are designed for high elevated-temperature
strength, with both edge and screw dislocations playing an important role for plastic …

Strength can be controlled by edge dislocations in refractory high-entropy alloys

C Lee, F Maresca, R Feng, Y Chou, T Ungar… - Nature …, 2021 - nature.com
Energy efficiency is motivating the search for new high-temperature (high-T) metals. Some
new body-centered-cubic (BCC) random multicomponent “high-entropy alloys (HEAs)” …

Tailoring heterogeneities in high-entropy alloys to promote strength–ductility synergy

E Ma, X Wu - Nature communications, 2019 - nature.com
Conventional alloys are usually based on a single host metal. Recent high-entropy alloys
(HEAs), in contrast, employ multiple principal elements. The strength of HEAs is …

Local chemical fluctuation mediated ductility in body-centered-cubic high-entropy alloys

Y Bu, Y Wu, Z Lei, X Yuan, H Wu, X Feng, J Liu, J Ding… - Materials Today, 2021 - Elsevier
High-entropy alloys (HEAs) open up a new horizon for discovering un-explored mechanical
properties and deformation mechanisms. Local chemical fluctuations (LCFs) in HEAs were …

Mechanistic origin of high strength in refractory BCC high entropy alloys up to 1900K

F Maresca, WA Curtin - Acta Materialia, 2020 - Elsevier
The body centered cubic (BCC) high entropy alloys (HEAs) MoNbTaW and MoNbTaVW
show exceptional strength retention up to 1900K. The mechanistic origin of the retained …

Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

F Wang, GH Balbus, S Xu, Y Su, J Shin, PF Rottmann… - Science, 2020 - science.org
Refractory multiprincipal element alloys (MPEAs) are promising materials to meet the
demands of aggressive structural applications, yet require fundamentally different avenues …

Unusual dislocation behavior in high-entropy alloys

E Ma - Scripta Materialia, 2020 - Elsevier
This Viewpoint article articulates ten unusual features associated with dislocations and their
slip processes in high-entropy alloys (HEAs). Attention will be directed towards the …

A novel ZrNbMoTaW refractory high-entropy alloy with in-situ forming heterogeneous structure

T Li, W Jiao, J Miao, Y Lu, E Guo, T Wang, T Li… - Materials Science and …, 2021 - Elsevier
NbMoTaW-based refractory high-entropy alloys (RHEAs) are now at the research frontier of
advanced metallic materials due to outstanding mechanical properties at elevated …