Stabilized nanocrystalline alloys: the intersection of grain boundary segregation with processing science
Processing science for nanocrystalline metals has largely focused on far-from-equilibrium
methods that can generate many grain boundaries with excess defect energy. Conversely …
methods that can generate many grain boundaries with excess defect energy. Conversely …
A review on thermal stability of nanostructured materials
Nanostructured materials, with average grain size in nanometer scale and a high volume
fraction of grain boundaries, were known to have advanced mechanical properties, such as …
fraction of grain boundaries, were known to have advanced mechanical properties, such as …
Revealing the strengthening and toughening mechanisms of Al-CuO composite fabricated via in-situ solid-state reaction
Due to native deficiency of the interfacial mismatch between Al 2 O 3 and Al-melt, as well as
micron-Al 2 O 3 segregation at matrix grain boundaries (GBs), achieving both high strength …
micron-Al 2 O 3 segregation at matrix grain boundaries (GBs), achieving both high strength …
Temperature dependence of the Hall–Petch relationship in CoCrFeMnNi high-entropy alloy
Single-phase equiatomic CoCrFeMnNi high-entropy alloy (HEA) specimens with three
different grain sizes (0.65 μm, 2.1 μm and 105 μm) were processed by cold rolling and …
different grain sizes (0.65 μm, 2.1 μm and 105 μm) were processed by cold rolling and …
Generalized stability criterion for exploiting optimized mechanical properties by a general correlation between phase transformations and plastic deformations
Designing structured materials with optimized mechanical properties generally focuses on
engineering microstructures, which are closely determined by the processing routes, such …
engineering microstructures, which are closely determined by the processing routes, such …
Correlation between stabilizing and strengthening effects due to grain boundary segregation in iron-based alloys: Theoretical models and first-principles calculations
HR Peng, WT Huo, W Zhang, Y Tang, S Zhang… - Acta Materialia, 2023 - Elsevier
Grain boundary (GB) segregation can drastically affect both the thermal stability and fracture
strength of nanocrystalline metals. Underlying physics of the correlation between the above …
strength of nanocrystalline metals. Underlying physics of the correlation between the above …
Role of yttrium addition and annealing temperature on thermal stability and hardness of nanocrystalline CoCrFeNi high entropy alloy
CoCrFeNi high entropy alloys (HEAs) with yttrium (Y) additions (1 and 4 at.%) were
nanostructured by mechanical alloying process and annealed at various temperatures …
nanostructured by mechanical alloying process and annealed at various temperatures …
Characterization of oxide dispersoids and mechanical properties of 14Cr-ODS FeCrAl alloys
S Wu, J Li, W Li, S Liu - Journal of Alloys and Compounds, 2020 - Elsevier
Two variants of 14-Cr oxide dispersion strengthened FeCrAl alloys are fabricated by MA
method. The morphology, phase and oxide/matrix interface structure of the nano-oxide …
method. The morphology, phase and oxide/matrix interface structure of the nano-oxide …
Unraveling thermodynamic and kinetic contributions to the stability of doped nanocrystalline alloys using nanometallic multilayers
Targeted do** of grain boundaries is widely pursued as a pathway for combating thermal
instabilities in nanocrystalline metals. However, certain dopants predicted to produce grain …
instabilities in nanocrystalline metals. However, certain dopants predicted to produce grain …
Effect of biaxial strain on grain growth in nanocrystalline films: Coupling between grain-boundary energy and strain energy
J Wang, X Li, L Han, Y Huang, Y Liu, Z Wang - Acta Materialia, 2023 - Elsevier
A primary shortcoming of nanocrystalline materials is that they tend to coarsen at elevated
temperatures, which limits their practical application. Nowadays, it is crucial to develop a …
temperatures, which limits their practical application. Nowadays, it is crucial to develop a …