Kinetic and structural fragility—a correlation between structures and dynamics in metallic liquids and glasses

KF Kelton - Journal of Physics: Condensed Matter, 2016 - iopscience.iop.org
The liquid phase remains poorly understood. In many cases, the densities of liquids and
their crystallized solid phases are similar, but since they are amorphous they lack the spatial …

Existence of multiple critical cooling rates which generate different types of monolithic metallic glass

JEK Schawe, JF Löffler - Nature communications, 2019 - nature.com
Via fast differential scanning calorimetry using an Au-based glass as an example, we show
that metallic glasses should be classified into two types of amorphous/monolithic glass. The …

Effect of ion irradiation on tensile ductility, strength and fictive temperature in metallic glass nanowires

DJ Magagnosc, G Kumar, J Schroers, P Felfer… - Acta Materialia, 2014 - Elsevier
Ion irradiation of thermoplastically molded Pt 57.5 Cu 14.3 Ni 5.7 P 22.5 metallic glass
nanowires is used to study the relationship between glass structure and tensile behavior …

Kinetics, thermodynamics, and structure of bulk metallic glass forming liquids

R Busch, I Gallino - Jom, 2017 - Springer
Bulk metallic glass forming melts are viscous liquids compared with pure metals and
conventional alloys. They show intermediate kinetic fragility and low thermodynamic driving …

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 …

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 …

Thermal rejuvenation in metallic glasses

J Saida, R Yamada, M Wakeda… - Science and Technology …, 2017 - Taylor & Francis
Structural rejuvenation in metallic glasses by a thermal process (ie through recovery
annealing) was investigated experimentally and theoretically for various alloy compositions …

Proposal for universality in the viscosity of metallic liquids

ME Blodgett, T Egami, Z Nussinov, KF Kelton - Scientific reports, 2015 - nature.com
The range of magnitude of the liquid viscosity, η, as a function of temperature is one of the
most impressive of any physical property, changing by approximately 17 orders of …

Mechanical relaxation-to-rejuvenation transition in a Zr-based bulk metallic glass

M Zhang, YM Wang, FX Li, SQ Jiang, MZ Li, L Liu - Scientific Reports, 2017 - nature.com
The relaxation of amorphous materials, ie, aging, would largely endanger their
performances in service. Here we report a mechanical relaxation-to-rejuvenation transition …

Decoupling between calorimetric and dynamical glass transitions in high-entropy metallic glasses

J Jiang, Z Lu, J Shen, T Wada, H Kato… - Nature …, 2021 - nature.com
Glass transition is one of the unresolved critical issues in solid-state physics and materials
science, during which a viscous liquid is frozen into a solid or structurally arrested state. On …