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 …

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 …

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 …

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 …

Anti-aging in ultrastable metallic glasses

M Lüttich, VM Giordano, S Le Floch, E Pineda… - Physical review …, 2018 - APS
As ultrastable metallic glasses (UMGs) are promising candidates to solve the stability issues
of conventional metallic glasses, their study is of exceptional interest. By means of x-ray …

Microscopic characterization of structural relaxation and cryogenic rejuvenation in metallic glasses

TJ Lei, LR DaCosta, M Liu, WH Wang, YH Sun… - Acta Materialia, 2019 - Elsevier
Plasticity improvement in metallic glasses resulting from cycling treatment between room
and liquid nitrogen temperature has been reported and attributed to rejuvenation due to a …

Coherent X-ray spectroscopy reveals the persistence of island arrangements during layer-by-layer growth

G Ju, D Xu, MJ Highland, C Thompson, H Zhou… - Nature Physics, 2019 - nature.com
Understanding surface dynamics during epitaxial film growth is key to growing high-quality
materials with controllable properties. X-ray photon correlation spectroscopy (XPCS) using …

Intrinsic relaxation in a supercooled ZrTiNiCuBe glass forming liquid

N Amini, F Yang, E Pineda, B Ruta, M Sprung… - Physical review …, 2021 - APS
We studied structural relaxation in the bulk metallic glass forming alloy Zr 46.8 Ti 8.2 Cu 7.5
Ni 10 Be 27.5 on different timescales and length scales, with emphasis on the supercooled …

Composition dependence of metallic glass plasticity and its prediction from anelastic relaxation–A shear transformation zone analysis

TJ Lei, LR DaCosta, M Liu, J Shen, YH Sun, WH Wang… - Acta Materialia, 2020 - Elsevier
The mechanical relaxation behavior of metallic glasses (MGs) is composition sensitive. For
example, in dynamic mechanical analysis, La 70 Ni 15 Al 15 shows a pronounced …