Dynamic relaxations and relaxation-property relationships in metallic glasses

WH Wang - Progress in Materials Science, 2019 - Elsevier
Dynamic relaxation is an intrinsic and universal feature of glasses and enables fluctuation
and dissipation to occur, which induces plentiful behaviour, maintains equilibrium, and …

Relaxation processes and physical aging in metallic glasses

B Ruta, E Pineda, Z Evenson - Journal of Physics: Condensed …, 2017 - iopscience.iop.org
Since their discovery in the 1960s, metallic glasses have continuously attracted much
interest across the physics and materials science communities. In the forefront are their …

Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass

YJ Duan, M Nabahat, Y Tong, L Ortiz-Membrado… - Physical review …, 2024 - APS
The slow transition from an out-of-equilibrium glass towards a supercooled liquid is a
complex relaxation phenomenon. In this Letter, we study the correlation between …

Diffusive dynamics during the high-to-low density transition in amorphous ice

F Perakis, K Amann-Winkel… - Proceedings of the …, 2017 - National Acad Sciences
Water exists in high-and low-density amorphous ice forms (HDA and LDA), which could
correspond to the glassy states of high-(HDL) and low-density liquid (LDL) in the metastable …

Relaxation decoupling in metallic glasses at low temperatures

P Luo, P Wen, HY Bai, B Ruta, WH Wang - Physical review letters, 2017 - APS
Upon cooling, glass-forming liquids experience a dynamic decoupling in the fast β and slow
α process, which has greatly influenced glass physics. By exploring an extremely wide …

Microscopic dynamics underlying the stress relaxation of arrested soft materials

J Song, Q Zhang, F de Quesada… - Proceedings of the …, 2022 - National Acad Sciences
Arrested soft materials such as gels and glasses exhibit a slow stress relaxation with a broad
distribution of relaxation times in response to linear mechanical perturbations. Although this …

Structural dynamics and rejuvenation during cryogenic cycling in a Zr-based metallic glass

A Das, EM Dufresne, R Maaß - Acta Materialia, 2020 - Elsevier
Subjecting metallic glasses repeatedly to liquid nitrogen temperature has become a popular
method to homogeneously rejuvenate the material. Here we reveal the atomic-scale …

Fast dynamics in a model metallic glass-forming material

H Zhang, X Wang, HB Yu, JF Douglas - The Journal of Chemical …, 2021 - pubs.aip.org
We investigate the fast β-and Johari–Goldstein (JG) β-relaxation processes, along with the
elastic scattering response of glass-forming (GF) liquids and the boson peak, in a simulated …

Hierarchical aging pathways and reversible fragile-to-strong transition upon annealing of a metallic glass former

I Gallino, D Cangialosi, Z Evenson, L Schmitt… - Acta Materialia, 2018 - Elsevier
The change of physical properties during aging and the associated microscopic dynamics of
the Au 49 Cu 26.9 Si 16.3 Ag 5.5 Pd 2.3 bulk metallic glass are investigated using a broad …

Investigation of the yielding transition in concentrated colloidal systems via rheo-XPCS

GJ Donley, S Narayanan, MA Wade… - Proceedings of the …, 2023 - National Acad Sciences
We probe the microstructural yielding dynamics of a concentrated colloidal system by
performing creep/recovery tests with simultaneous collection of coherent scattering data via …