Dislocation interactions with grain boundaries

J Kacher, BP Eftink, B Cui, IM Robertson - Current Opinion in Solid State …, 2014 - Elsevier
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Grain boundaries and interfaces in slip transfer

TR Bieler, P Eisenlohr, C Zhang, HJ Phukan… - Current Opinion in Solid …, 2014 - Elsevier
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 …

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 …

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 …

Frontiers in the simulation of dislocations

N Bertin, RB Sills, W Cai - Annual Review of Materials Research, 2020 - annualreviews.org
Dislocations play a vital role in the mechanical behavior of crystalline materials during
deformation. To capture dislocation phenomena across all relevant scales, a multiscale …

Mapping of individual dislocations with dark-field X-ray microscopy

AC Jakobsen, H Simons, W Ludwig… - Journal of Applied …, 2019 - journals.iucr.org
This article presents an X-ray microscopy approach for mapping deeply embedded
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

F Wang, J Guo, D Weygand, F Wang, TJ Rupert… - Acta Materialia, 2024 - Elsevier
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 …

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 …

Multiscale 3D characterization with dark-field x-ray microscopy

H Simons, AC Jakobsen, SR Ahl, C Detlefs… - Mrs Bulletin, 2016 - cambridge.org
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 …

Nanoscale imaging of the full strain tensor of specific dislocations extracted from a bulk sample

F Hofmann, NW Phillips, S Das, P Karamched… - Physical Review …, 2020 - APS
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 …