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Microstructure-specific mechanisms define multistage relaxation dynamics in a metallic model-glass
Achraf Atila, Zengquan Wang, Birte Riechers +1
Deciphering complex relaxation pathways in disordered solids is a central challenge across polymeric, oxide, and metallic glasses, which traditionally relies on the interpretation…
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…
Brittleness of metallic glasses dictated by their state at the fragile-to-strong transition temperature
Achraf Atila, Sergey V. Sukhomlinov, Marc J. Honecker +1
The effect of cooling on the brittleness of glasses in general, and bulk metallic glasses (BMGs) in particular, is usually studied with continuously varying cooling rates; slower c…