Deformation and flow of amorphous solids: Insights from elastoplastic models
The deformation and flow of disordered solids, such as metallic glasses and concentrated
emulsions, involves swift localized rearrangements of particles that induce a long-range …
emulsions, involves swift localized rearrangements of particles that induce a long-range …
Micro-plasticity and recent insights from intermittent and small-scale plasticity
Prior to macroscopic yielding, most materials undergo a regime of plastic activity that cannot
be resolved in conventional bulk deformation experiments. In this pre-yield, or micro-plastic …
be resolved in conventional bulk deformation experiments. In this pre-yield, or micro-plastic …
Mesoscopic-scale complexity in macroscopically-uniform plastic flow of an Al0. 3CoCrFeNi high-entropy alloy
The concept of a smooth and homogeneous plastic flow of solids is nowadays constantly
challenged by various observations of the self-organization of crystal defects on mesoscopic …
challenged by various observations of the self-organization of crystal defects on mesoscopic …
Dislocation avalanches are like earthquakes on the micron scale
Compression experiments on micron-scale specimens and acoustic emission (AE)
measurements on bulk samples revealed that the dislocation motion resembles a stick-slip …
measurements on bulk samples revealed that the dislocation motion resembles a stick-slip …
Avalanches and plastic flow in crystal plasticity: an overview
Crystal plasticity is mediated through dislocations, which form knotted configurations in a
complex energy landscape. Once they disentangle and move, they may also be impeded by …
complex energy landscape. Once they disentangle and move, they may also be impeded by …
[HTML][HTML] Grain scale bursts of plasticity in Mg-4Zn via high energy X-rays: Towards twin observation in real-time
The elastic-plastic transition in magnesium alloy Mg-4.5 Zn is marked by bursts of
deformation. A relatively short exposure time (44 ms) polychromatic transmission Laue …
deformation. A relatively short exposure time (44 ms) polychromatic transmission Laue …
[HTML][HTML] Multibranches of acoustic emission as identifier for deformation mechanisms in additively manufactured 316l stainless steel
Y Chen, B Gou, X Xu, X Ding, J Sun, EKH Salje - Additive Manufacturing, 2023 - Elsevier
The multiple collapse mechanisms of complex materials produced by additive
manufacturing (AM) were identified by measurements of the acoustic emission (AE) of the …
manufacturing (AM) were identified by measurements of the acoustic emission (AE) of the …
[HTML][HTML] On identifying dynamic length scales in crystal plasticity
Materials are often heterogeneous at various length scales, with variations in grain structure,
defects, and composition which has a strong influence on the emergent macroscopic plastic …
defects, and composition which has a strong influence on the emergent macroscopic plastic …
Taming intermittent plasticity at small scales
The extreme miniaturization in modern technology calls for deeper insights into the non-
conventional, fluctuation dominated mechanics of materials operating at microscale. For …
conventional, fluctuation dominated mechanics of materials operating at microscale. For …
Dislocation dynamics in a nickel-based superalloy via in-situ transmission scanning electron microscopy
Micro-tensile specimens of nickel-based superalloy oligocrystals were tested in-situ in an
scanning electron microscope in transmission mode (TSEM) enabling observation of …
scanning electron microscope in transmission mode (TSEM) enabling observation of …