Mechanical behavior of high-entropy alloys

W Li, D Xie, D Li, Y Zhang, Y Gao, PK Liaw - Progress in Materials Science, 2021 - Elsevier
Research in the field of high-entropy alloys has been surging since the 2010s. As widely
acknowledged, research interests in this field are largely sparked by the enormous …

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 …

Abundant polymorphic transitions in the Al0. 6CoCrFeNi high-entropy alloy

L Wang, F Zhang, Z Nie, F Wang, B Wang, S Zhou… - Materials Today …, 2019 - Elsevier
Polymorphism and polymorphic transitions are attracting considerable interest because of
their significant effect on the phase stability, switchable properties, and the atomic …

Effect of annealing on mechanical properties of a nanocrystalline CoCrFeNiMn high-entropy alloy processed by high-pressure torsion

H Shahmir, J He, Z Lu, M Kawasaki… - Materials Science and …, 2016 - Elsevier
A CoCrFeNiMn high-entropy alloy (HEA) was processed by high-pressure torsion (HPT)
under 6.0 GPa pressure up to 10 turns at room temperature. It is shown that there is a …

On the low-cycle fatigue response of CoCrNiFeMn high entropy alloy with ultra-fine grain structure

S Picak, T Wegener, SV Sajadifar, C Sobrero, J Richter… - Acta Materialia, 2021 - Elsevier
Abstract High Entropy Alloys (HEAs) are a new class of multi-component alloys with
excellent tensile strength-ductility combination. Their yield strength levels, however, are still …

Significance of grain refinement on micro-mechanical properties and structures of additively-manufactured CoCrFeNi high-entropy alloy

W Zhao, JK Han, YO Kuzminova, SA Evlashin… - Materials Science and …, 2021 - Elsevier
Grain refinement is an effective approach to improve mechanical properties of
conventionally-manufactured high entropy alloys (HEAs). Additive manufacturing of HEAs is …

Effect of thermomechanical processing on microstructure and mechanical properties of the carbon-containing CoCrFeNiMn high entropy alloy

ND Stepanov, DG Shaysultanov… - Journal of Alloys and …, 2017 - Elsevier
Microstructural evolution during cold sheet rolling to 80% thickness strain and annealing at
600–1100° C for 30 min of the CoCrFeNiMn high entropy alloy doped with 1 at.% of C and …

Spherical nanoindentation creep behavior of nanocrystalline and coarse-grained CoCrFeMnNi high-entropy alloys

DH Lee, MY Seok, Y Zhao, IC Choi, J He, Z Lu, JY Suh… - Acta Materialia, 2016 - Elsevier
Time-dependent plastic deformation behavior of nanocrystalline (nc) and coarse-grained
(cg) CoCrFeMnNi high-entropy alloys (HEAs) was systematically explored through a series …

Microstructure, microhardness and residual stress of laser additive manufactured CoCrFeMnNi high-entropy alloy subjected to laser shock peening

Z Tong, H Liu, J Jiao, W Zhou, Y Yang, X Ren - Journal of materials …, 2020 - Elsevier
Laser shock peening (LSP) is a surface modification technology to synthesize
nanostructures on the surface layer of materials, thereby improving mechanical …

Effect of Si on the evolution of plasticity mechanisms, grain refinement and hardness during high-pressure torsion of a non-equiatomic CoCrMnNi multi-principal …

K Kishore, AK Chandan, PT Hung, S Kumar… - International Journal of …, 2023 - Elsevier
The present study unraveled the defining role of small silicon (Si) addition (5 atomic%) in
dramatically altering the plasticity mechanisms, grain refinement and hardening response of …