97 citations
- Mines Saint-ÉtienneFR31 papers
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10 papers · 1 filter
Anomalous High Strain Rate Compressive Behavior of Additively Manufactured Copper Micropillars
Rajaprakash Ramachandramoorthy, Szilvia Kalácska, Gabriel Poras +7
Microscale dynamic testing is vital to the understanding of material behavior at application relevant strain rates. However, despite two decades of intense micromechanics research,…
Development of a Plasticity-oriented Interatomic Potential for CrFeMnNi High Entropy Alloys
Ayobami Daramola, Giovanni Bonny, Gilles Adjanor +3
An interatomic potential (termed EAM-21) has been developed with the embedded atomic method (EAM) for CrFeMnNi quaternary HEAs. This potential is based on a previously developed po…
Orientation-related twinning and dislocation glide in a Cantor High Entropy Alloy at room and cryogenic temperature studied by in situ TEM straining
Daniela Oliveros, Anna Fraczkiewicz, Antonin Dlouhy +4
In situ straining experiments were performed in a TEM on an equimolar CoCrFeMnNi (Cantor) high entropy alloy at room and cryogenic temperature. Perfect and partial dislocation acti…
Correlative image learning of chemo-mechanics in phase-transforming solids
Haitao D. Deng, Hongbo Zhao, Norman L. Jin +14
Constitutive laws underlie most physical processes in nature. However, learning such equations in heterogeneous solids (e.g., due to phase separation) is challenging. One such rela…
Dislocation Avalanches: Earthquakes on the Micron Scale
Péter Dusán Ispánovity, Dávid Ugi, Gábor Péterffy +7
Compression experiments on micron-scale specimens and acoustic emission (AE) measurements on bulk samples revealed that the dislocation motion resembles a stick-slip process - a se…
Validity of crystal plasticity models near grain boundaries: a contribution of elastic strain measurements at the micron scale
Emeric Plancher, Pouya Tajdary, Thierry Auger +8
Synchrotron Laue microdiffraction and Digital Image Correlation measurements were coupled to track the elastic strain field (or stress field) and the total strain field near a gene…