Creep Deformation in Metallic Glasses: A Global Approach with Strain as an Indicator within Transition State Theory

LT Zhang, YJ Wang, M Nabahat, E Pineda… - International Journal of …, 2024 - Elsevier
… However, the details and mechanisms of anelastic deformation are still unclear. Consequently,
it is necessary to construct an effective indicator to describe the total creep process. …

A hierarchically correlated flow defect model for metallic glass: Universal understanding of stress relaxation and creep

Q Hao, GJ Lyu, E Pineda, JM Pelletier, YJ Wang… - International Journal of …, 2022 - Elsevier
… in metallic glasses that entail activation, growth and/or annihilation of flow defects, which
however are not accounted for in the previous mean fieldanelastic and plastic deformation, we …

Comprehensive insights into the thermal and mechanical effects of metallic glasses via creep

ZR Xu, JC Qiao, J Wang, E Pineda, D Crespo - Journal of Materials Science …, 2022 - Elsevier
… shear model [17,18], quasi-point defects [19], liquid-like regions [20] or flow units [21].
Nevertheless, these models are virtually grounded on a mean-field … , the anelastic deformation is …

[HTML][HTML] Anomalous nonlinear damping in metallic glasses: Signature of elasticity breakdown

SX Peng, C Zhang, C Yang, R Li, T Zhang… - The Journal of …, 2019 - pubs.aip.org
… also been proposed in a mean-field theory. It advocates that … elastic deformation regime in
a wide range of metallic glasses … if that anelasticity is the underlying mechanisms for damping. …

Flow units as dynamic defects in metallic glassy materials

Z Wang, WH Wang - National Science Review, 2019 - academic.oup.com
… the dynamic defects in metallic glasses from the perspective … failure of the assumptions of
mean-field theory in some cases [… of atoms are involved in anelastic behavior under load [33]. …

Unraveling the microstructural heterogeneity and plasticity of Zr50Cu40Al10 bulk metallic glass by nanoindentation

K Tao, FC Li, YH Liu, E Pineda, KK Song… - International Journal of …, 2022 - Elsevier
… , we study the plastic behaviors of metallic glasses under different energy states by …
from anelasticity to plasticity, ie, the anelastic deformation stored in the metallic glasses

Potential energy landscape activations governing plastic flows in glass rheology

P Cao, MP Short, S Yip - Proceedings of the National …, 2019 - National Acad Sciences
… (22) as well as bulk metallic glasses close to the glass transition … variants of mean-field
models in condensed-matter theory (59). … and deformed using MD and metadynamics modeling, …

Training β relaxation to rejuvenate metallic glasses

LT Zhang, YJ Wang, Y Yang, JC Qiao - Journal of Materials Science & …, 2023 - Elsevier
… relaxation process, anelastic and viscoplastic components during the deformation process.
… Notably, the increase of the relaxation enthalpy is essentially a mean-field parameter, in …

Unraveling the non-monotonic ageing of metallic glasses in the metastability-temperature space

C Liu, X Yan, P Sharma, Y Fan - Computational Materials Science, 2020 - Elsevier
… (1) in PEL model is essentially a mean-field theory that averages out all possible … model
and thus shed light on the understanding of heterogenous deformation in metallic glasses

A link between mechanical heterogeneity and nontrivial local structural power-law response in a model metallic glass

X Wei, B Xu, P Guan - Journal of Non-Crystalline Solids, 2022 - Elsevier
… achieved in understanding the anelastic deformation [2,11,12… an inhomogeneous local elastic
model (a mean-field model) is … local elastic properties of metallic glasses under hydrostatic …