On the thermodynamics of plasticity during quasi-isentropic compression of metallic glass

K Chen, B Chen, Y Cui, Y Yu, J Yu, H Geng… - Matter and Radiation …, 2024 - pubs.aip.org
Entropy production in quasi-isentropic compression (QIC) is critically important for
understanding the properties of materials under extreme conditions. However, the origin and …

Viewing high entropy alloys through glasses: Linkages between solid solution and glass phases in multicomponent alloys

R Alvarez-Donado, S Papanikolaou… - Physical Review …, 2023 - APS
High entropy alloys (HEAs) represent highly promising multicomponent crystals that form
concentrated solid solutions (CSSs) and may violate traditional thermodynamic rules of …

Unraveling strongly entropic effect on -relaxation in metallic glass: Insights from enhanced atomistic samplings over experimentally relevant timescales

YB Yang, Q Yang, D Wei, LH Dai, HB Yu, YJ Wang - Physical Review B, 2020 - APS
The Johari-Goldstein secondary (β) relaxation is an intrinsic feature of glasses, which is
crucial to many properties of disordered materials. One puzzling feature of β-relaxation is its …

Dynamics–Entropy Relationship in Metallic Glasses

LL Cao, YJ Wang - The Journal of Physical Chemistry Letters, 2024 - ACS Publications
Establishing a robust quantitative correlation between thermodynamics and dynamics in
amorphous matter remains a significant challenge in condensed matter physics. Although …

Understanding of glass-forming ability of Zr–Cu alloys from the perspective of vibrational entropy of crystalline phases

H Kang, J Wang, Y Zhang, Z Li, S Feng, J Huo… - Journal of Applied …, 2022 - pubs.aip.org
Glass formation is of fundamental importance for understanding the origin of glass transition
and the design of new bulk metallic glasses. However, its nature has been extremely elusive …

Configurational Entropy Relaxation of Silica Glass—Molecular Dynamics Simulations

O Gedeon - Entropy, 2021 - mdpi.com
Vitreous silica was modelled using molecular dynamics (MD). The glass structure was
transferred into an undirected graph and decomposed into disjoint structural units that were …

Relation of the Fragility of Metallic Glasses with the Mixing Entropy and Excess Entropy with Respect to the Maternal Crystal

RA Konchakov, AS Makarov, GV Afonin, JC Qiao… - JETP Letters, 2024 - Springer
The excess entropy Δ S with respect to the maternal crystal has been determined for 18
metallic glasses differing in the mixing entropy Δ S mix. Using these data, thermodynamic …

Overestimation of melting temperatures calculated by first-principles molecular dynamics simulations

K Shirai, H Momida, K Sato, S Hyun - arXiv preprint arXiv:2409.00987, 2024 - arxiv.org
Although the melting temperature, $ T_ {m} $, of a solid can be calculated based on first-
principles molecular dynamics (FP-MD) simulations, systematic assessments of the …

Disorder-order transition in multiprincipal element alloy: A free energy perspective

XS Wang, YJ Wang - Physical Review Materials, 2023 - APS
Although the concept of high entropy has flourished in the development of engineeringly
important multiprincipal elemental crystalline materials, the role of entropy is controversial in …

Связь фрагильности металлических стекол с энтропией смешения и избыточной энтропией по отношению к материнскому кристаллу

РА Кончаков, АС Макаров, ГВ Афонин… - Письма в Журнал …, 2024 - mathnet.ru
Определена избыточная энтропия $\Delta S $ по отношению к материнскому кристаллу
для 18-ти металлических стекол, отличающихся по энтропии смешения $\Delta S_ {\text …