[HTML][HTML] Tailoring microstructure of Ni2CoFe medium-entropy alloy to achieve optimal comprehensive mechanical properties

L Gu, N Liang, D Zhang, Y Fan, J Liu, Y Zhao - Journal of Materials …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) medium-and high-entropy alloys (MEAs/HEAs) have
high ductility but low yield strength and hardness. In this work, the microstructures of single …

[HTML][HTML] Uncovering all possible dislocation locks in face-centered cubic materials

D Bajaj, DL Chen - International Journal of Plasticity, 2024 - Elsevier
Dislocation reactions and locks play an important role in the plastic deformation and
mechanical behavior of crystalline materials. Various types of dislocation locks in face …

Lattice Distortion Promotes Incipient Plasticity in Multiprincipal Element Alloys

L Wang, Y Cao, Y Zhao - Nano Letters, 2024 - ACS Publications
Multiprincipal element alloys usually exhibit earlier pop-in events than pure metals and
dilute solid solutions during nanoindentation experiments. To understand the origin of this …

Investigation on the incipient plasticity of< 001>-oriented CoCrFeNi micropillar

Q Zhang, SS Rui, L Song, Y Pei, F Zhu, X Ma - Scripta Materialia, 2024 - Elsevier
Micro-level mechanical tests are of extreme sensitivity to the initial internal state and early
response of materials. The stability of elastic property and yield behavior of macro-level …

Role of chemical short-range order in friction and wear behaviors in medium-entropy alloy CoCrNi

H Xie, R Zhao, Z Ma, W Zhang, H Zhao, L Ren - Tribology International, 2024 - Elsevier
Chemical short-range order (SRO) can effectively retard the dislocation motion, allowing for
a substantive hardening effect. Notwithstanding, fundamental mechanisms behind …

Size effects on dislocation starvation in Cu nanopillars: a molecular dynamic simulations study

G Sainath, V Shankar, A Nagesha - Molecular Simulation, 2023 - Taylor & Francis
Size plays an important role on the deformation mechanism of nanopillars. With decreasing
size, many FCC nanopillars exhibit dislocation starvation which is responsible for their high …