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 …

Tailoring the strengthening mechanisms of high-entropy alloys toward excellent strength-ductility synergy by metalloid silicon alloying: A review

MJ Sohrabi, A Kalhor, H Mirzadeh, K Rodak… - Progress in Materials …, 2024 - Elsevier
Metalloids and transition/refractory elements typically differ significantly in the electronic
structure and atomic size, allowing for stronger solid-solution hardening in high-entropy …

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

L Wang, J Ding, S Chen, K **, 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 …

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 …

Gradient cell–structured high-entropy alloy with exceptional strength and ductility

Q Pan, L Zhang, R Feng, Q Lu, K An, AC Chuang… - Science, 2021 - science.org
Similar to conventional materials, most multicomponent high-entropy alloys (HEAs) lose
ductility as they gain strength. In this study, we controllably introduced gradient nanoscaled …

Revealing the deformation mechanisms of< 110> symmetric tilt grain boundaries in CoCrNi medium-entropy alloy

D Hua, Q Zhou, Y Shi, S Li, K Hua, H Wang, S Li… - International Journal of …, 2023 - Elsevier
The synergy of multiple deformation mechanisms responsible for the excellent mechanical
properties attracts an increasing interest in CoCrNi medium entropy alloy (MEA). In this …

Harnessing instability for work hardening in multi-principal element alloys

B Xu, H Duan, X Chen, J Wang, Y Ma, P Jiang… - Nature Materials, 2024 - nature.com
The strength–ductility trade-off has long been a Gordian knot in conventional metallic
structural materials and it is no exception in multi-principal element alloys. In particular, at …

Direct observation of chemical short-range order in a medium-entropy alloy

X Chen, Q Wang, Z Cheng, M Zhu, H Zhou, P Jiang… - Nature, 2021 - nature.com
Complex concentrated solutions of multiple principal elements are being widely investigated
as high-or medium-entropy alloys (HEAs or MEAs),,,,,,,,,–, often assuming that these …

[HTML][HTML] Chemical inhomogeneities in high-entropy alloys help mitigate the strength-ductility trade-off

E Ma, C Liu - Progress in Materials Science, 2024 - Elsevier
Metallurgists have long been accustomed to a trade-off between yield strength and tensile
ductility. Extending previously known strain-hardening mechanisms, the emerging multi …

Mechanical behavior of high-entropy alloys

W Li, D **e, 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 …