55 citations · 150 across the 14 of their papers we have counts for
14 papers
Zonal dislocations in Laves phases: A coupled synchro-shear slip mechanism
Sang-Hyeok Lee, Mariano Forti, Thomas Hammerschmidt +6
Synchro-shear is the primary plastic deformation mechanism in Laves phases at elevated temperatures, mediated by synchro-Shockley partial dislocations-zonal dislocations that proce…
Defect-controlled twin activation in crystallographically equivalent magnesium micropillars
Hexin Wang, Fatim Zahra Mouhib, Chunhua Tian +6
Tensile twinning plays a central role in accommodating <c>-axis plasticity in Mg. In bulk Mg, it typically shows a relatively deterministic response with a low critical stress, whe…
Grain boundary segregation spectrum in basal-textured Mg alloys: From solute decoration to structural transition
Anumoy Ganguly, Hexin Wang, Julien Guénolé +4
Mg alloys are promising lightweight structural materials due to their low density and excellent mechanical properties. However, their limited formability and ductility necessitate…
Predicting Grain Boundary Segregation in Magnesium Alloys: An Atomistically Informed Machine Learning Approach
Zhuocheng Xie, Achraf Atila, Julien Guénolé +3
Grain boundary (GB) segregation in magnesium (Mg) substantially influences its mechanical properties and performance. Atomic-scale modelling, typically using ab-initio or semi-empi…
Solute Co-Segregation Mechanisms at Low-Angle Grain Boundaries in Magnesium: A Combined Atomic-Scale Experimental and Modeling Study
Risheng Pei, Joé Petrazoller, Achraf Atila +10
Solute segregation at low-angle grain boundaries (LAGBs) critically affects the microstructure and mechanical properties of magnesium (Mg) alloys. In modern alloys containing multi…
Exploring Solute Behavior and Texture Selection in Magnesium Alloys at the Atomistic Level
F. Mouhib, Z. Xie, A. Atila +3
This study advances our understanding of how chemical binding and solute distribution impact grain boundary segregation behavior and subsequent annealing texture modification in le…
On the temperature and chemical dependency of prismatic stacking faults in C14 Laves phases
Zhuocheng Xie, Dimitri Chauraud, Erik Bitzek +2
Activation of non-basal slip is essential in improving the deformability of hexagonal crystals. However, the mechanism of non-basal slip remains largely unknown, especially for com…
Thermally activated nature of synchro-Shockley dislocations in Laves phases
Zhuocheng Xie, Dimitri Chauraud, Achraf Atila +3
Synchro-Shockley dislocations, as zonal dislocation, are the major carrier of plasticity in Laves phases at high temperatures. The motion of synchro-Shockley dislocations is compos…
The Origin of Deformation Induced Topological Anisotropy in Silica Glass
Sudheer Ganisetti, Achraf Atila, Julien Guénolé +4
Oxide glasses with a network structure are omnipresent in daily life. Often, they are regarded as isotropic materials; however, structural anisotropy can be induced through process…
Unveiling the mechanisms of motion of synchro-Shockley dislocations in Laves phases
Zhuocheng Xie, Dimitri Chauraud, Achraf Atila +3
In Laves phases, synchroshear is the dominant basal slip mechanism. It is accomplished by the glide of synchro-Shockley dislocations. However, the atomic-scale mechanisms of motion…
Atomistic insights into the inhomogeneous nature of solute segregation to grain boundaries in magnesium
Risheng Pei, Zhuocheng Xie, Sangbong Yi +3
In magnesium alloys with multiple substitutional elements, solute segregation at grain boundaries (GBs) has a strong impact on many important material characteristics, such as GB e…
Atomistic aspects of load transfer and fracture in CNT-reinforced aluminium
Samaneh Nasiri, Kai Wang, Mingjun Yang +3
This paper describes atomistic simulations of deformation and fracture of Al reinforced with carbon nanotubes (CNTs). We use density functional theory (DFT) to understand the energ…
Exploring the transfer of plasticity across Laves phase interfaces in a dual phase magnesium alloy
Julien Guénolé, Muhammad Zubair, Swagata Roy +4
The mechanical behaviour of Mg-Al alloys can be largely improved by the formation of an intermetallic Laves phase skeleton, in particular the creep strength. Recent nanomechanical…
Basal Slip in Laves Phases: the Synchroshear Dislocation
Julien Guénolé, Fatim-Zahra Mouhib, Liam Huber +2
Two different mechanisms have been reported in previous ab initio studies to describe basal slip in complex intermetallic Laves phases: synchroshear and undulating slip. To date, n…