High-strength iron-based alloys serving in hydrogen-containing environments often faces a
critical problem of hydrogen embrittlement, which involves intricate mechanisms across …

Atomistic-based multiscale and molecular dynamics modeling are powerful tools to simulate
the localized strain problems, offering tremendous opportunities to bridge the knowledge …

Taking the two-phase material as a model system, here we perform atomistic-to-microscale
computational analysis on how the dislocations pileup is formed at a buried interface …

Both experiments and theoretical investigations have evidenced the existence of
compressive-shear fracture mode in geomaterials like concrete, rocks and gypsum. Proper …

Many elementary deformation processes in metals involve the motion of dislocations. The
planes of glide and specific processes dislocations prefer depend heavily on their atomic …

A well-known intragranular dislocation source, the Frank-Read (FR) source plays an
important role in size-dependent dislocation multiplication in crystalline materials. Despite a …

Mixed-type dislocations are prevalent in metals and play an important role in their plastic
deformation. Key characteristics of mixed-type dislocations cannot simply be extrapolated …

Screw dislocation cross-slip is important in dynamic recovery of deformed metals. A mobile
screw dislocation segment can cross slip to annihilate an immobile screw dislocation …

The strengthening of metals by nano-scale obstacles is mainly attributed to the impediment
to glide dislocations offered by these obstacles. It is important to understand the …

Unraveling the deformation mechanism of materials under extremely high strain rate is
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …