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 …

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 …

The effects of Ni or Nb additions on the relaxation behavior of Zr55Cu35Al10 metallic glass

QH Pham, S Chupradit, G Widjaja, MS Alhassan… - Materials Today …, 2021 - Elsevier
Many questions raised in the field of metallic glasses (MGs) are inherently attributed to β
relaxation. Therefore, this study investigated the behavior of β relaxation in the Zr 55 Cu 35 …

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 …

Distinct relaxation mechanism at room temperature in metallic glass

YT Sun, R Zhao, DW Ding, YH Liu, HY Bai… - Nature …, 2023 - nature.com
How glasses relax at room temperature is still a great challenge for both experimental and
simulation studies due to the extremely long relaxation time-scale. Here, by employing a …

Predicting nonlinear physical aging of glasses from equilibrium relaxation via the material time

B Riechers, LA Roed, S Mehri, TS Ingebrigtsen… - Science …, 2022 - science.org
The noncrystalline glassy state of matter plays a role in virtually all fields of materials science
and offers complementary properties to those of the crystalline counterpart. The caveat of the …

Vitrification decoupling from α-relaxation in a metallic glass

X Monnier, D Cangialosi, B Ruta, R Busch… - Science advances, 2020 - science.org
Understanding how glasses form, the so-called vitrification, remains a major challenge in
materials science. Here, we study vitrification kinetics, in terms of the limiting fictive …

Metallic nanoglasses with promoted β-relaxation and tensile plasticity

Q Yang, CQ Pei, HB Yu, T Feng - Nano Letters, 2021 - ACS Publications
The secondary (β) relaxation is an intrinsic feature of glassy systems and is crucial for the
mechanical properties of metallic glasses. However, it remains puzzling what structural …

Time reversibility during the ageing of materials

T Böhmer, JP Gabriel, L Costigliola, JN Kociok… - Nature Physics, 2024 - nature.com
Physical ageing is the generic term for irreversible processes in glassy materials resulting
from molecular rearrangements. One formalism for describing such ageing processes …

Denser glasses relax faster: Enhanced atomic mobility and anomalous particle displacement under in-situ high pressure compression of metallic glasses

A Cornet, G Garbarino, F Zontone, Y Chushkin… - Acta Materialia, 2023 - Elsevier
Despite that metallic glasses are among the most studied metallic materials, still very little is
known on the evolution of their unique structural, dynamical and elastic properties under …