Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

D Wei, W Gong, T Tsuru, I Lobzenko, X Li… - International Journal of …, 2022 - Elsevier
Face-centered cubic single-phase high-entropy alloys (HEAs) containing multi-principal
transition metals have attracted significant attention, exhibiting an unprecedented …

Strength-ductility synergy of an additively manufactured metastable high-entropy alloy achieved by transformation-induced plasticity strengthening

C Tian, D Ouyang, P Wang, L Zhang, C Cai… - International Journal of …, 2024 - Elsevier
This study investigated the microstructures and mechanical properties of a metastable high-
entropy alloy (HEA) Fe 34 Co 34 Cr 20 Mn 6 Ni 6 produced by laser powder bed fusion …

Accelerating the Exploration of High‐Entropy Alloys: Synergistic Effects of Integrating Computational Simulation and Experiments

D Jiang, Y Li, L Wang, LC Zhang - Small Structures, 2024 - Wiley Online Library
High‐entropy alloys (HEAs) are novel materials composed of multiple elements with nearly
equal concentrations and they exhibit exceptional properties such as high strength, ductility …

[HTML][HTML] Effect of grain size on critical twinning stress and work hardening behavior in the equiatomic CrMnFeCoNi high-entropy alloy

C Wagner, G Laplanche - International Journal of Plasticity, 2023 - Elsevier
While the impact of grain boundary strengthening on dislocation slip is particularly effective
in the equiatomic CrMnFeCoNi high-entropy alloy (HEA), its effect on deformation twinning …

Plastic deformation of single crystals of the equiatomic Cr-Fe-Co-Ni medium entropy alloy–A comparison with Cr-Mn-Fe-Co-Ni and Cr-Co-Ni alloys

L Li, Z Chen, K Yuge, K Kishida, H Inui… - International Journal of …, 2023 - Elsevier
The plastic deformation behavior of single crystals of the equiatomic Cr-Fe-Co-Ni medium-
entropy alloy was investigated in compression and tension from 9 K to 1373 K. The critical …

Deformation mechanisms of additively manufactured TiNbTaZrMo refractory high-entropy alloy: The role of cellular structure

C Liu, Y Wang, Y Zhang, LC Zhang, L Wang - International Journal of …, 2024 - Elsevier
Additive manufacturing of refractory high-entropy alloys (RHEA) is challenging, limited
information is available on the microstructure and mechanical properties of as-built RHEA. In …

Exceptional strength-ductility synergy in the novel metastable FeCoCrNiVSi high-entropy alloys via tuning the grain size dependency of the transformation-induced …

MS Mehranpour, MJ Sohrabi, A Kalhor, JH Lee… - International Journal of …, 2024 - Elsevier
In-depth knowledge of the coupling between grain refinement and the transformation-
induced plasticity (TRIP) effect in metastable alloys is a viable approach for the improvement …

Discontinuous coarsening leads to unchanged tensile properties in high-entropy alloys with different recrystallization volume fractions

Z Yang, X Liu, J Zhao, Q Zeng, K Xu, Y Li… - International Journal of …, 2024 - Elsevier
Heterogeneous microstructure alloys provide a possibility for the combination of strength
and ductility. As a typical heterogeneous microstructure, partially recrystallized …

A novel methodology to estimate hydrogen diffusivity and its applications in revealing hydrogen effects in CoCrNi medium-entropy alloy versus 316L stainless steel

DH Lee, YH An, Y Zhao, JH Lee, HY Kim… - International Journal of …, 2023 - Elsevier
Hydrogen diffusivity is one of the important factors affecting the susceptibility to hydrogen
embrittlement of metals and alloys. Here, we proposed a novel approach to estimate …

Combined strengthening from nanoprecipitates, stacking faults and nano-twins enables a strong and ductile medium-entropy alloy

B Li, K Ming, K Tu, Z Li, L Bai, S Zheng - Materials Science and …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) alloys typically exhibit remarkable strain-hardening
capability and large ductility but possess low yield strength. Conventional strengthening …