Structural heterogeneities and mechanical behavior of amorphous alloys

JC Qiao, Q Wang, JM Pelletier, H Kato… - Progress in Materials …, 2019 - Elsevier
Although the atomic structure of amorphous alloys, which lacks long-range translational
symmetry, may appear homogeneous at the macroscopic scale, their local dynamic and/or …

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 …

Liquid-like atoms in dense-packed solid glasses

C Chang, HP Zhang, R Zhao, FC Li, P Luo, MZ Li… - Nature Materials, 2022 - nature.com
Revealing the microscopic structural and dynamic pictures of glasses is a long-standing
challenge for scientists,. Extensive studies on the structure and relaxation dynamics of …

Achieving structural rejuvenation in metallic glass by modulating β relaxation intensity via easy-to-operate mechanical cycling

LT Zhang, YJ Wang, E Pineda, Y Yang… - International Journal of …, 2022 - Elsevier
Structural rejuvenation is an effective measure to optimize the mechanical properties of
metallic glasses (MGs). Sophisticated solutions to rejuvenation include thermal cycling, laser …

Flow units as dynamic defects in metallic glassy materials

Z Wang, WH Wang - National Science Review, 2019 - academic.oup.com
In a crystalline material, structural defects such as dislocations or twins are well defined and
largely determine the mechanical and other properties of the material. For metallic glass …

Intermittent cluster dynamics and temporal fractional diffusion in a bulk metallic glass

B Riechers, A Das, E Dufresne, PM Derlet… - Nature …, 2024 - nature.com
Glassy solids evolve towards lower-energy structural states by physical aging. This can be
characterized by structural relaxation times, the assessment of which is essential for …

Mechanical memory and relaxation decoupling of metallic glasses in homogenous flow

LT Zhang, YJ Wang, Y Yang, T Wada, H Kato… - International Journal of …, 2024 - Elsevier
Due to the structural information submerged into the meta-stable disordered long-range
structure, quantitative prediction of the time-dependent deformation of metallic glasses …

Ultrafast extreme rejuvenation of metallic glasses by shock compression

G Ding, C Li, A Zaccone, WH Wang, HC Lei, F Jiang… - Science …, 2019 - science.org
Structural rejuvenation of glasses not only provides fundamental insights into their
complicated dynamics but also extends their practical applications. However, it is formidably …

Detecting the exponential relaxation spectrum in glasses by high-precision nanocalorimetry

L Song, Y Gao, P Zou, W Xu, M Gao… - Proceedings of the …, 2023 - National Acad Sciences
Nonexponential relaxations are universal characteristics for glassy materials. There is a well-
known hypothesis that nonexponential relaxation peaks are composed of a series of …

Structure-dynamics relationships in cryogenically deformed bulk metallic glass

F Spieckermann, D Şopu, V Soprunyuk… - Nature …, 2022 - nature.com
The atomistic mechanisms occurring during the processes of aging and rejuvenation in
glassy materials involve very small structural rearrangements that are extremely difficult to …