Dislocation interactions with grain boundaries
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Grain boundaries and interfaces in slip transfer
The effect of slip transfer on heterogeneous deformation of polycrystals has been a topic of
recurring interest, as this process can either lead to the nucleation of damage, or prevent …
recurring interest, as this process can either lead to the nucleation of damage, or prevent …
Analysis of strengthening due to grain boundaries and annealing twin boundaries in the CrCoNi medium-entropy alloy
M Schneider, EP George, TJ Manescau… - International Journal of …, 2020 - Elsevier
CrCoNi exhibits the best combination of strength and ductility among all the equiatomic
single-phase FCC subsets of the CrMnFeCoNi high-entropy alloy. Here, its yield strength …
single-phase FCC subsets of the CrMnFeCoNi high-entropy alloy. Here, its yield strength …
High temperature strengthening via nanoscale precipitation in wrought CoCrNi-based medium-entropy alloys
N An, Y Sun, Y Wu, J Tian, Z Li, Q Li, J Chen… - Materials Science and …, 2020 - Elsevier
In order to make CoCrNi medium-entropy alloys (MEAs) applied for high temperature fields,
we hereby demonstrate an approach of manipulating the mechanical properties of fcc …
we hereby demonstrate an approach of manipulating the mechanical properties of fcc …
Frontiers in the simulation of dislocations
Dislocations play a vital role in the mechanical behavior of crystalline materials during
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …
Mapping of individual dislocations with dark-field X-ray microscopy
This article presents an X-ray microscopy approach for mapping deeply embedded
dislocations in three dimensions using a monochromatic beam with a low divergence …
dislocations in three dimensions using a monochromatic beam with a low divergence …
[HTML][HTML] Topology and evolution of dislocation structures mediated by glissile reactions in face-centered cubic metals
The strength and hardening of metallic materials are dictated by the motion and interactions
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
of dislocations. Individual dislocations intersect, react, and frequently form junctions, defining …
The origin of exceptionally large ductility in molybdenum alloys dispersed with irregular-shaped La2O3 nano-particles
Y Chen, Y Fang, P Cheng, X Ke, M Zhang… - Nature …, 2024 - nature.com
Molybdenum and its alloys are known for their superior strength among body-centered cubic
materials. However, their widespread application is hindered by a significant decrease in …
materials. However, their widespread application is hindered by a significant decrease in …
Multiscale 3D characterization with dark-field x-ray microscopy
Dark-field x-ray microscopy is a new way to three-dimensionally map lattice strain and
orientation in crystalline matter. It is analogous to dark-field electron microscopy in that an …
orientation in crystalline matter. It is analogous to dark-field electron microscopy in that an …
Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample
Lattice defects play a key role in determining the properties of crystalline materials. Probing
the three-dimensional (3D) lattice strains that govern their interactions remains a challenge …
the three-dimensional (3D) lattice strains that govern their interactions remains a challenge …