Shear bands in metallic glasses

AL Greer, YQ Cheng, E Ma - Materials Science and Engineering: R: Reports, 2013 - Elsevier
Shear-banding is a ubiquitous plastic-deformation mode in materials. In metallic glasses,
shear bands are particularly important as they play the decisive role in controlling plasticity …

Atomic-level structure and structure–property relationship in metallic glasses

YQ Cheng, E Ma - Progress in materials science, 2011 - Elsevier
The structure of metallic glasses (MGs) has been a long-standing mystery. On the one hand,
MGs are amorphous materials with no long-range structural order; on the other hand …

[HTML][HTML] Approaching the ideal elastic limit of metallic glasses

L Tian, YQ Cheng, ZW Shan, J Li, CC Wang… - Nature …, 2012 - nature.com
The ideal elastic limit is the upper bound to the stress and elastic strain a material can
withstand. This intrinsic property has been widely studied for crystalline metals, both …

[HTML][HTML] Five-fold symmetry as indicator of dynamic arrest in metallic glass-forming liquids

YC Hu, FX Li, MZ Li, HY Bai, WH Wang - Nature communications, 2015 - nature.com
With sufficient high cooling rates, a variety of liquids, including metallic melts, will cross a
glass transition temperature and solidify into glass accompanying a marked increase of the …

Relationship between structure, dynamics, and mechanical properties in metallic glass-forming alloys

YQ Cheng, HW Sheng, E Ma - Physical Review B—Condensed Matter and …, 2008 - APS
Using Cu-Zr models, we demonstrate icosahedral ordering as a microscopic origin of the
non-Arrhenius dynamical slowing down in metallic supercooled liquids. This correlation …

Modeling the mechanics of amorphous solids at different length scale and time scale

D Rodney, A Tanguy… - Modelling and Simulation …, 2011 - iopscience.iop.org
We review the recent literature on the simulation of the structure and deformation of
amorphous solids, including oxide and metallic glasses. We consider simulations at different …

Local order influences initiation of plastic flow in metallic glass: Effects of alloy composition and sample cooling history

YQ Cheng, AJ Cao, HW Sheng, E Ma - Acta Materialia, 2008 - Elsevier
Bulk metallic glasses (MGs) with tunable plasticity and strength have been reported recently.
Using Cu–Zr and Cu–Zr–Al MG models, here we illustrate how and why alloy composition …

Correlation between the elastic modulus and the intrinsic plastic behavior of metallic glasses: The roles of atomic configuration and alloy composition

YQ Cheng, AJ Cao, E Ma - Acta Materialia, 2009 - Elsevier
Recent reports suggest that Poisson's ratio (ν), or the related ratio of shear modulus G to
bulk modulus B, indicates the potential of metallic glasses (MGs) to sustain plastic strain …

Structural heterogeneity and medium-range order in metallic glasses

M Li, CZ Wang, SG Hao, MJ Kramer, KM Ho - Physical Review B—Condensed …, 2009 - APS
Realistic three-dimensional atomistic structures of Zr x Cu 100− x (x= 35, 50) bulk metallic
glasses are constructed using a combination of x-ray diffraction experiment and …

A comprehensive review on biocompatible thin films for biomedical application

ST Rajan, B Subramanian, A Arockiarajan - Ceramics International, 2022 - Elsevier
Thin films have emerged as an ideal surface treatment to the permanent implant materials to
enhance properties such as biodegradation resistance, better mechanical strengths and …