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 …

[HTML][HTML] Chemical short-range orders in high-/medium-entropy alloys

X Wu - Journal of Materials Science & Technology, 2023 - Elsevier
High (or medium)-entropy alloys (H/MEAs) are complex concentrated solid solutions prone
to develop the chemical short-range orders (CSROs), as an indispensable structural …

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 …

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 …

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 …

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
Simultaneously enhancing strength and ductility of metals and alloys has been a
tremendous challenge. Here, we investigate a CoCuFeNiPd high-entropy alloy (HEA), using …

Designing structures with combined gradients of grain size and precipitation in high entropy alloys for simultaneous improvement of strength and ductility

S Qin, M Yang, P Jiang, J Wang, X Wu, H Zhou, F Yuan - Acta Materialia, 2022 - Elsevier
Suppressing the early strain localization at the nanostructured topmost layer is crucial for
achieving better tensile ductility in the gradient structure. Thus, structures with combined …

Deformation and failure of the CrCoNi medium-entropy alloy subjected to extreme shock loading

S Zhao, S Yin, X Liang, F Cao, Q Yu, R Zhang, L Dai… - Science …, 2023 - science.org
The extraordinary work hardening ability and fracture toughness of the face-centered cubic
(fcc) high-entropy alloys render them ideal candidates for many structural applications. Here …

[HTML][HTML] Evolution of short-range order and its effects on the plastic deformation behavior of single crystals of the equiatomic Cr-Co-Ni medium-entropy alloy

L Li, Z Chen, S Kuroiwa, M Ito, K Yuge, K Kishida… - Acta Materialia, 2023 - Elsevier
Abstract Short-range ordering (SRO), its evolution in the equiatomic Cr-Co-Ni medium-
entropy alloy (MEA), and its effects on mechanical properties were investigated by …

Atomistic insights into the deformation mechanism of a CoCrNi medium entropy alloy under nanoindentation

D Hua, Q Xia, W Wang, Q Zhou, S Li, D Qian… - International Journal of …, 2021 - Elsevier
Understanding the fundamental of contact-induced behavior in metals is critical for the
studies of associated mechanical properties. Although nanocontact plasticity in the …