Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …
disordered materials is the significance of spatial and temporal fluctuations on composition …
[HTML][HTML] Mechancial properties of amorphous alloys: In the framework of the microstructure heterogeneity
Q Jichao, Z Langting, T Yu, LYU Guojian, HAO Qi… - 力学进展, 2022 - lxjz.cstam.org.cn
The intrinsic structural heterogeneities of amorphous alloys are closely related to the
thermodynamics and dynamical behavior, such as relaxation/crystallization, glass transition …
thermodynamics and dynamical behavior, such as relaxation/crystallization, glass transition …
Effects of structure relaxation and surface oxidation on nanoscopic wear behaviors of metallic glass
Both structure relaxation and oxidation of surface layer induced by thermal treatment or
friction heat play significant roles in reducing wear of metallic glasses (MGs). To distinguish …
friction heat play significant roles in reducing wear of metallic glasses (MGs). To distinguish …
Revealing the structural heterogeneity of metallic glass: mechanical spectroscopy and nanoindentation experiments
Microstructural heterogeneity is an important issue in understanding the mechanical and
physical properties of metallic glasses (MGs). Theoretically, physical aging below the glass …
physical properties of metallic glasses (MGs). Theoretically, physical aging below the glass …
Achieving structural rejuvenation in metallic glass by modulating β relaxation intensity via easy-to-operate mechanical cycling
Structural rejuvenation is an effective measure to optimize the mechanical properties of
metallic glasses (MGs). Sophisticated solutions to rejuvenation include thermal cycling, laser …
metallic glasses (MGs). Sophisticated solutions to rejuvenation include thermal cycling, laser …
[HTML][HTML] 基于微观结构非均匀性的非晶合金力学行为
乔吉超, 张浪渟, 童钰, 吕国建, 郝奇, 陶凯 - 力学进展, 2022 - lxjz.cstam.org.cn
非晶合金弛豫/晶化, 玻璃转变, 塑性变形等热力学和动力学行为都与其固有的结构非均匀性密切
相关. 但是, 由于淹没在亚稳的长程无序结构中, 探究非晶合金的结构非均匀性十分困难. 尤其 …
相关. 但是, 由于淹没在亚稳的长程无序结构中, 探究非晶合金的结构非均匀性十分困难. 尤其 …
Spatial heterogeneity as the structure feature for structure–property relationship of metallic glasses
The mechanical properties of crystalline materials can be quantitatively described by crystal
defects of solute atoms, dislocations, twins, and grain boundaries with the models of solid …
defects of solute atoms, dislocations, twins, and grain boundaries with the models of solid …
Strain-driven Kovacs-like memory effect in glasses
Studying complex relaxation behaviors is of critical importance for understanding the nature
of glasses. Here we report a Kovacs-like memory effect in glasses, manifested by non …
of glasses. Here we report a Kovacs-like memory effect in glasses, manifested by non …
A Hall-Petch-like relationship linking nanoscale heterogeneity to yield stress of heterogeneous metallic glasses
Metallic glasses (MGs) undergo plastic deformation through shear transformation zones
(STZs) at small deformations and shear banding at large deformations. The STZ mechanism …
(STZs) at small deformations and shear banding at large deformations. The STZ mechanism …
Fundamental links between shear transformation, β relaxation, and string-like motion in metallic glasses
Plastic deformation and relaxation dynamics are two major topics in glass physics.
Secondary (β) relaxation has been assumed to be a relevant plastic mechanism in …
Secondary (β) relaxation has been assumed to be a relevant plastic mechanism in …