FCC-BCC phase transformation induced simultaneous enhancement of tensile strength and ductility at high strain rate in high-entropy alloy

YC Wu, JL Shao - International Journal of Plasticity, 2023 - Elsevier
FCC-BCC phase transformation-induced plasticity (TRIP) has been extensively studied in
high-entropy alloys (HEAs) to customize their mechanical properties through …

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 …

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 …

Manipulating Stacking Fault Energy to Achieve Crack Inhibition and Superior Strength–Ductility Synergy in an Additively Manufactured High‐Entropy Alloy

P Niu, R Li, K Gan, Z Fan, T Yuan, C Han - Advanced Materials, 2024 - Wiley Online Library
Additive manufacturing (AM) is a revolutionary technology that heralds a new era in metal
processing, yet the quality of AM‐produced parts is inevitably compromised by cracking …

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 …

Exceptional strength-ductility synergy at room and liquid nitrogen temperatures of Al7. 5Co20. 5Fe24Ni24Cr24 high-entropy alloy with hierarchical precipitate …

C Chu, W Chen, L Huang, H Wang, L Chen… - International Journal of …, 2024 - Elsevier
The study of alloys exhibiting noteworthy strength-ductility synergy at ambient and cryogenic
temperatures has been a persistent area of interest in materials engineering. This interest …

Insights into orientation-dependent plasticity deformation of HfNbTaTiZr refractory high entropy alloy: An atomistic investigation

J Wei, REN Lu - International Journal of Plasticity, 2024 - Elsevier
HfNbTaTiZr refractory high entropy alloy has emerged as a prospective structural material
suitable for high-temperature applications owing to its remarkable combination of high …

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 …

Plastic deformation and strengthening mechanism in CoNiV medium-entropy alloy fiber

L Deng, R Li, J Luo, S Li, X Xie, S Wu, W Zhang… - International Journal of …, 2024 - Elsevier
High/medium-entropy alloys (H/MEAs) are regarded as a potentially viable alternative to
conventional metallic fibers for the production of ductile, high-strength fibers, to resolve the …

The shear softening and dislocation glide competition due to the shear-induced short-range order degeneration in CoCrNi medium-entropy alloy

G Huang, X Zhang, R Zhang, WR Jian, X Zou… - Journal of Materials …, 2024 - Elsevier
The short-range order (SRO) in multi-principal element alloys (MPEAs) is an intriguing topic
in advanced alloy research. The crucial question related to this topic lies in the effect of the …