Elastic fluctuations and structural heterogeneities in metallic glasses

C Liu, R Maaß - Advanced Functional Materials, 2018 - Wiley Online Library
Suppressing crystallization of a metallic melt results in a disordered solid, also known as a
metallic glass. One may conclude that a metallic glass is free of defined structural length …

Correlation of materials property and performance with internal structures evolvement revealed by laboratory X-ray tomography

L Zhang, S Wang - Materials, 2018 - mdpi.com
Although X-rays generated from a laboratory-based tube cannot be compared with
synchrotron radiation in brilliance and monochromaticity, they are still viable and accessible …

Shear-band thickness and shear-band cavities in a Zr-based metallic glass

C Liu, V Roddatis, P Kenesei, R Maaß - Acta Materialia, 2017 - Elsevier
Strain localization into shear bands in metallic glasses is typically described as a
mechanism that occurs at the nano-scale, leaving behind a shear defect with a thickness of …

Long range stress fields and cavitation along a shear band in a metallic glass: The local origin of fracture

R Maass, P Birckigt, C Borchers, K Samwer, CA Volkert - Acta Materialia, 2015 - Elsevier
Nanomechanical properties along a single shear band in a Zr-based metallic glass were
studied. Spatial mapping of both indentation hardness and modulus reveal complex long …

Brittle-to-ductile transition in metallic glass nanowires

D Sopu, A Foroughi, M Stoica, J Eckert - Nano letters, 2016 - ACS Publications
When reducing the size of metallic glass samples down to the nanoscale regime,
experimental studies on the plasticity under uniaxial tension show a wide range of failure …

Structural mechanisms of enhanced mechanical property in ZrCu metallic glass at low temperatures

M Li, Y Zhou, P Wang, B Malomo, L Yang - International Journal of …, 2023 - Elsevier
The application of traditional crystalline materials as structural materials cannot meet critical
design challenges due to low-temperature brittleness. To address this issue, this study …

The dynamics of shear band propagation in metallic glasses

J Luo, L Huang, Y Shi, B Deng - Acta Materialia, 2023 - Elsevier
Understanding the dynamics of shear band propagation in metallic glasses remains elusive
due to the limited temporal and spatial scales accessible in experiments. In micron-scale …

Shear banding leads to accelerated aging dynamics in a metallic glass

S Küchemann, C Liu, EM Dufresne, J Shin, R Maaß - Physical Review B, 2018 - APS
Traditionally, strain localization in metallic glasses is related to the thickness of the shear
defect, which is confined to the nanometer scale. Using site-specific x-ray photon correlation …

Strain distribution across an individual shear band in real and simulated metallic glasses

S Scudino, D Sopu - Nano letters, 2018 - ACS Publications
Because of the fast dynamics of shear band formation and propagation along with the small
size and transient character of the shear transformation zones (STZs), the elementary units …

Size-dependent mechanical responses of metallic glasses

Y Shi - International Materials Reviews, 2019 - Taylor & Francis
Metallic glasses (MGs) are arguably one of the most exciting metallic systems in the past 30
years, attracting significant research effort and undergoing rapid development. Parallel to …