Revealing key structural features hidden in liquids and glasses
A great success of solid state physics comes from the characterization of crystal structures in
the reciprocal (wave vector) space. The power of structural characterization in Fourier space …
the reciprocal (wave vector) space. The power of structural characterization in Fourier space …
Origin of the critical state in sheared granular materials
Dense granular flow is common in nature and industrial applications. A hallmark behaviour
of granular flow is the emergence of a critical state when sufficient strain is applied, which …
of granular flow is the emergence of a critical state when sufficient strain is applied, which …
Topology of vibrational modes predicts plastic events in glasses
The plastic deformation of crystalline materials can be understood by considering their
structural defects such as disclinations and dislocations. Although also glasses are solids …
structural defects such as disclinations and dislocations. Although also glasses are solids …
Spatial clustering of microscopic dynamics governs the slip avalanche of sheared granular materials
Establishing quantifiable links between individual-particle dynamics and macroscopic
response of granular materials has been a longstanding challenge, with implications in …
response of granular materials has been a longstanding challenge, with implications in …
STZ-Clay: A shear-transformation-zone theory based constitutive model for clay
The shear-transformation-zone (STZ) theory is a mesoscale-based approach that attributes
material macroscopic plastic deformation to the flipping, creation, and annihilation of …
material macroscopic plastic deformation to the flipping, creation, and annihilation of …
Experimental test of the Edwards volume ensemble for tapped granular packings
Using x-ray tomography, we experimentally investigate granular packings subject to
mechanical tapping for three types of beads with different friction coefficients. We validate …
mechanical tapping for three types of beads with different friction coefficients. We validate …
Clustering of negative topological charges precedes plastic failure in 3D glasses
The deformation mechanism in amorphous solids subjected to external shear remains
poorly understood because of the absence of well-defined topological defects mediating the …
poorly understood because of the absence of well-defined topological defects mediating the …
The energy landscape governs ductility in disordered materials
Based on their structure, non-crystalline phases can fail in a brittle or ductile fashion.
However, the nature of the link between structure and propensity for ductility in disordered …
However, the nature of the link between structure and propensity for ductility in disordered …
Methodology development and application of X-ray imaging beamline at SSRF
HL Xie, B Deng, GH Du, YN Fu, H Guo, YL Xue… - Nuclear Science and …, 2020 - Springer
This paper introduces some latest developments regarding the X-ray imaging methodology
and applications of the X-ray imaging and biomedical application beamline (BL13W1) at …
and applications of the X-ray imaging and biomedical application beamline (BL13W1) at …
X-ray tomography investigation of cyclically sheared granular materials
We perform combined x-ray tomography and shear force measurements on a cyclically
sheared granular system with highly transient behaviors, and obtain the evolution of …
sheared granular system with highly transient behaviors, and obtain the evolution of …