Designing nanoparticles-strengthened high-entropy alloys with simultaneously enhanced strength-ductility synergy at both room and elevated temperatures

JX Hou, SF Liu, BX Cao, JH Luan, YL Zhao, Z Chen… - Acta Materialia, 2022 - Elsevier
strength Ni 39.9 Co 20 Fe 30-x Cr x Al 6 Ti 4 B 0.1 (x = 0, 10, 15, and 20 at.%) high-entropy
alloys … behaviors, thereby producing simultaneously enhanced strength and ductility at room …

Enhanced strength–ductility synergy in ultrafine-grained eutectic high-entropy alloys by inheriting microstructural lamellae

P Shi, W Ren, T Zheng, Z Ren, X Hou, J Peng… - Nature …, 2019 - nature.com
… based on the above eutectic-alloy concept. Such alloys combine the advantages of both
high-entropy alloys (HEAs) 14,15 and conventional eutectic alloys, and usually show a fine dual-…

Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes

Z Lei, X Liu, Y Wu, H Wang, S Jiang, S Wang, X Hui… - Nature, 2018 - nature.com
… enhancement in both strength and ductility in compositionally complex solid solutions, the
so-called high-entropy alloys (HEAs) 6,7,8,9,10 . The tensile strength is enhanced (by 48.5 ± …

Enhanced strength-ductility synergy of medium-entropy alloys via multiple level gradient structures

X Zhang, Y Gui, M Lai, X Lu, J Gu, F Wang… - International Journal of …, 2023 - Elsevier
entropy alloy was chosen as the model alloy for torsion treatment in pursuit of strength-…
Remarkably, the yield strength of the present gradient MEAs increases with the increase of …

Enhancing strength and strain hardenability via deformation twinning in fcc-based high entropy alloys reinforced with intermetallic compounds

D Choudhuri, B Gwalani, S Gorsse, M Komarasamy… - Acta Materialia, 2019 - Elsevier
… The present study clearly demonstrates that deformation twinning can be enhanced when …
matrix of a high entropy alloy (HEA), leading to an excellent combination of strength, ductility, …

Simultaneously enhancing the ultimate strength and ductility of high-entropy alloys via short-range ordering

S Chen, ZH Aitken, S Pattamatta, Z Wu, ZG Yu… - Nature …, 2021 - nature.com
enhancing strength and ductility of metals and alloys has been a tremendous challenge.
Here, we investigate a CoCuFeNiPd high-entropy alloyenhances both the ultimate strength

Microstructure and enhanced strength of laser aided additive manufactured CoCrFeNiMn high entropy alloy

Y Chew, GJ Bi, ZG Zhu, FL Ng, F Weng, SB Liu… - Materials Science and …, 2019 - Elsevier
… The CoCrFeNiMn high entropy alloy (HEA) bulk alloy was … higher yield strength (518 MPa)
and ultimate tensile strength (… simultaneous enhancement in yield strength and ductility with …

Enhanced strength and ductility of bulk CoCrFeMnNi high entropy alloy having fully recrystallized ultrafine-grained structure

SJ Sun, YZ Tian, HR Lin, XG Dong, YH Wang… - Materials & Design, 2017 - Elsevier
A high efficient magnetic levitation melting technique was reported for fabricating bulk equiatomic
CoCrFeMnNi high-entropy alloy (HEA) ingot with a diameter of 110 mm. The bulk ingot …

High-entropy alloys with heterogeneous microstructure: processing and mechanical properties

P Sathiyamoorthi, HS Kim - Progress in Materials Science, 2022 - Elsevier
… with heterogeneous microstructures illustrating enhanced strength and ductility. … to have
enhanced fatigue limit, strength-ductility synergy under dynamic shear deformation, and strength-…

Theory-guided design of high-entropy alloys with enhanced strength-ductility synergy

Z Pei, S Zhao, M Detrois, PD Jablonski, JA Hawk… - Nature …, 2023 - nature.com
… and enhances the work-hardening ability of the alloys. Guided by the theory, we successfully
designed HEAs with enhanced strength … to enhance the strength-ductility synergy in HEAs. …