Irradiation effects in high-entropy alloys and their applications

Z Cheng, J Sun, X Gao, Y Wang, J Cui, T Wang… - Journal of Alloys and …, 2023 - Elsevier
On the one hand, Irradiation is everywhere and irradiation effect, especially the material
irradiation damage effect under strong irradiation field, is one of the key factors for the …

[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 …

Advancing strength and counteracting embrittlement by displacive transformation in heterogeneous high-entropy alloys containing sigma phase

W Lu, W Guo, Z Wang, J Li, F An, G Dehm, D Raabe… - Acta Materialia, 2023 - Elsevier
Metallic alloy design for room temperature applications typically aims at avoiding undesired
brittle intermetallic phases. In transition metal alloys, the sigma phase is particularly known …

Effect of local chemical order on the irradiation-induced defect evolution in CrCoNi medium-entropy alloy

Z Zhang, Z Su, B Zhang, Q Yu, J Ding… - Proceedings of the …, 2023 - National Acad Sciences
High-(and medium-) entropy alloys have emerged as potentially suitable structural materials
for nuclear applications, particularly as they appear to show promising irradiation resistance …

Extra electron reflections in concentrated alloys do not necessitate short-range order

F Walsh, M Zhang, RO Ritchie, AM Minor, M Asta - nature materials, 2023 - nature.com
In many concentrated alloys of current interest, the observation of diffuse superlattice
intensities by transmission electron microscopy has been attributed to chemical short-range …

Defect-induced inhomogeneous atomic environments in complex concentrated alloys

Y Xia, S Lyu, W Li, Y Chen, AHW Ngan - International Journal of Plasticity, 2023 - Elsevier
The multiple elements in equal ratios in complex concentrated alloys (CCAs) favor the
formation of local atomic environments like segregation or chemical ordering observed in …

Unconventional energetics of small vacancy clusters in BCC high-entropy alloy Nb0. 75ZrTiV0. 5

T Shi, X Qiu, Y Zhou, S Lyu, J Li, D Sun, Q Peng… - Journal of Materials …, 2023 - Elsevier
The stability of small vacancy clusters including divacancy, trivacancy and tetravacancy has
been studied in body-centered cubic high-entropy alloy Nb 0.75 ZrTiV 0.5 in structures of …

Achieving exceptional strength-ductility synergy in a dual-phase high entropy alloy via architected complex microstructures

L Liu, Y Zhang, Z Zhang, Z Wang, L Sun - Materials Science and …, 2023 - Elsevier
In this work, the exceptional strength-ductility synergy of a dual-phase high entropy alloy
(HEA) is achieved by architecting complex microstructures. The HEA rolled at 700° C shows …

Element-dependent evolution of chemical short-range ordering tendency of NiCoFeCrMn under irradiation

Y Zhou, T Shi, J Li, L Wu, Q Peng, C Lu - International Journal of Plasticity, 2023 - Elsevier
The evolution of short-range order (SRO) structures under irradiation has a great impact on
the mechanical properties of high-entropy alloys. In this study, the atomistic mechanism of …

Spatial inhomogeneity of point defect properties in refractory multi-principal element alloy with short-range order: A first-principles study

T Shi, S Lyu, Z Su, Y Wang, X Qiu, D Sun… - Journal of Applied …, 2023 - pubs.aip.org
Short-range order can be developed in multi-principal element alloys and influences the
point defect behavior due to the large variation of the local chemical environment. The effect …