[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 …

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 …

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 …

Role of local chemical fluctuations in the shock dynamics of medium entropy alloy CoCrNi

Z Xie, WR Jian, S Xu, IJ Beyerlein, X Zhang, Z Wang… - Acta Materialia, 2021 - Elsevier
In this work, molecular dynamics simulations are conducted to investigate the shock
responses and corresponding deformation mechanisms in single crystalline (SC) and …

Models of dislocation glide and strengthening mechanisms in bcc complex concentrated alloys

X Zhou, X Wang, L Fey, S He, I Beyerlein, P Cao… - MRS Bulletin, 2023 - Springer
The mechanical response of complex concentrated alloys (CCAs) deviates from that of their
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …

Phase transition in medium entropy alloy CoCrNi under quasi-isentropic compression

Z Xie, WR Jian, S Xu, IJ Beyerlein, X Zhang… - International Journal of …, 2022 - Elsevier
Under high strain-rate loading, prominent increases in pressure usually triggers phase
transition (PT), but the concomitant temperature rise may also cause melting. Quasi …

Strengthening contributions of dislocations and twins in warm-rolled TWIP steels

YZ Li, ZY Liang, MX Huang - International Journal of Plasticity, 2022 - Elsevier
A twinning-induced plasticity (TWIP) steel was processed by warm rolling with different
reduction ratios to elevate yield strength while maintaining considerable ductility. To …

Plastic deformation of solid-solution strengthened Hf-Nb-Ta-Ti-Zr body-centered cubic medium/high-entropy alloys

RR Eleti, N Stepanov, N Yurchenko, D Klimenko… - Scripta Materialia, 2021 - Elsevier
Plastic deformation and rate-controlling mechanism during tensile deformation of various
body-centered cubic (BCC) medium/high-entropy alloys (MEAs/HEAs) were investigated at …

Hierarchical multiscale crystal plasticity framework for plasticity and strain hardening of multi-principal element alloys

Q Fang, W Lu, Y Chen, H Feng, PK Liaw, J Li - Journal of the Mechanics …, 2022 - Elsevier
The multi-principal element alloys (MPEAs) exhibit the unprecedented combinations of the
excellent mechanical properties, especially high strength and good ductility. However, the …

Local slip resistances in equal-molar MoNbTi multi-principal element alloy

S Xu, Y Su, WR Jian, IJ Beyerlein - Acta Materialia, 2021 - Elsevier
In this work, we calculate the local slip resistances (LSRs) in equal-molar MoNbTi multi-
principal element alloy via molecular static simulations. We consider dislocations of either …