Structural heterogeneities and mechanical behavior of amorphous alloys

JC Qiao, Q Wang, JM Pelletier, H Kato… - Progress in Materials …, 2019 - Elsevier
Although the atomic structure of amorphous alloys, which lacks long-range translational
symmetry, may appear homogeneous at the macroscopic scale, their local dynamic and/or …

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 …

The fracture of bulk metallic glasses

BA Sun, WH Wang - Progress in Materials Science, 2015 - Elsevier
The fracture of metallic glasses has received relatively little attention until recently. The
development of bulk metallic glasses (BMGs) with more compositions, large sample sizes …

Dynamic mechanical relaxation in bulk metallic glasses: a review

JC Qiao, JM Pelletier - Journal of Materials Science & Technology, 2014 - Elsevier
Metallic glasses have aroused considerable interest in the past decades because they
exhibit fascinating properties. First, this article briefly outlines the mechanical, thermal …

Flow units as dynamic defects in metallic glassy materials

Z Wang, WH Wang - National Science Review, 2019 - academic.oup.com
In a crystalline material, structural defects such as dislocations or twins are well defined and
largely determine the mechanical and other properties of the material. For metallic glass …

Severe plastic deformed Pd-based metallic glass for superior hydrogen evolution in both acidic and alkaline media

F Chu, B Han, K Edalati, J Ma, Y Meng, C Wang… - Scripta Materialia, 2021 - Elsevier
The electrocatalytic hydrogen evolution reaction (HER) on a Pd 40 Cu 30 Ni 10 P 20 metallic
glass (MG) in both acidic and alkaline media is enhanced through severe plastic …

Structural perspectives on the elastic and mechanical properties of metallic glasses

DP Wang, ZG Zhu, RJ Xue, DW Ding, HY Bai… - Journal of Applied …, 2013 - pubs.aip.org
The flow units of glasses are generally perceived to be a local rearrangement of atoms that
are microstructural origin for plastic deformation and relaxations in metallic glasses. We find …

Characteristics of the structural and Johari–Goldstein relaxations in Pd-based metallic glass-forming liquids

J Qiao, R Casalini, JM Pelletier… - The Journal of Physical …, 2014 - ACS Publications
The dynamics of Pd-based metallic glass-forming liquids (Pd40Ni10Cu30P20, Pd42. 5Ni7.
5Cu30P20, Pd40Ni40P20, and Pd30Ni50P20) was studied by mechanical spectroscopy …

Correlations of multiscale structural evolution and homogeneous flows in metallic glass ribbons

J Ge, P Luo, Z Wu, W Zhang, S Liu, S Lan… - Materials Research …, 2023 - Taylor & Francis
Studying the flow behavior is critical to understand the deformation mechanism of
amorphous solids. However, detecting the basic flow events in amorphous solids is …

[PDF][PDF] 非晶合金中的流变单元

王峥, 汪卫华 - 物理学报, 2017 - wulixb.iphy.ac.cn
非晶合金是一类具有诸多优异性能的先进金属材料, 同时也是研究非晶态物质的模型体系. 最近,
大量的实验和模拟证据显示, 在非晶合金中可能存在类似晶体中缺陷的“流变单元” …