Achieving strength-ductility synergy in metallic glasses via electric current-enhanced structural fluctuations

H Ding, P Gong, W Chen, Z Peng, H Bu… - International Journal of …, 2023 - Elsevier
Structural applications of metallic glasses are limited by their room-temperature brittleness
and strain-softening, associated with the extreme localization of plastic flow in shear bands …

Theory, method and practice of metal deformation instability: A review

M Wan, F Li, K Yao, G Song, X Fan - Materials, 2023 - mdpi.com
Deformation instability is a macroscopic and microscopic phenomenon of non-uniformity
and unstable deformation of materials under stress loading conditions, and it is affected by …

Shear band control for improved strength-ductility synergy in metallic glasses

Z Sha, Y Teng, LH Poh, T Wang… - Applied …, 2022 - asmedigitalcollection.asme.org
Aside from ultrahigh strength and elasticity, metallic glasses (MGs) possess a number of
favorable properties. However, their lack of dislocation based plastic deformation …

Origin mechanism of heterostructure nanograins with gradient grain size suppressing strain localization

C Wang, L Ding, S Shi, J Liu, W Zhou, Q Liu… - Materials Science and …, 2023 - Elsevier
Strain localization is a common deformation induced instability in many nanograined metals.
Gradient nanograined metals are known to suppress the strain localization by inner coarse …

Effects of die motion parameters on the microstructures and mechanical properties of rotary backward extruded AZ80 alloys

Z Chen, J Zheng, Z Zhang, Y Xue - Journal of Materials Processing …, 2023 - Elsevier
As a commonly used component in the aerospace and transportation industries, tubular
components have received increasing attention from researchers. The rotary backward …

A scheme for achieving strength-ductility trade-off in metallic glasses

M Li, P Wang, B Malomo, L Yang - International Journal of Plasticity, 2023 - Elsevier
The strength-ductility paradox in structural materials remains a long-standing dilemma in
advanced materials synthesis. Metallic glasses (MGs) that are structural materials of …

Distinct avalanche dynamics detected in metallic glasses with high energy state revealing the crack-like shear banding mechanism

K Tao, F Li, Y Liu, E Pineda, K Song, J Qiao - International Journal of …, 2024 - Elsevier
When a sufficiently high stress is applied to a metallic glass, causing plastic deformation, the
material undergoes structural reconfiguration through dissipative slip avalanche events that …

Modulating mechanical performances of metallic amorphous materials through phase gradient

Y Guan, Y Wang, W Song - International Journal of Mechanical Sciences, 2022 - Elsevier
Increasing strength is usually at the cost of sacrificing ductility in structural materials. The
tradeoff becomes even conspicuous in a category of metallic amorphous materials, the so …

Toward atomic-scale understanding of structure-dynamics-properties relations for metallic glasses

ZY Zhou, Q Yang, HB Yu - Progress in Materials Science, 2024 - Elsevier
Disorder and amorphous systems constitute a large body of modern scientific and
technological research, where metallic glasses represent a simple realistic model material …

Gradient Strain‐Induced Room‐Temperature Ferroelectricity in Magnetic Double‐Perovskite Superlattices

Y Jiang, X Wu, J Niu, Y Zhou, N Jiang, F Guo… - Small …, 2023 - Wiley Online Library
Single‐phase multiferroics suffer from a fundamental contradiction between polarity and
magnetism in d0 electronic configuration, motivating studies of unconventional …