Orientation-dependent ductility and deformation mechanisms in body-centered cubic molybdenum nanocrystals
The knowledge regarding anisotropic mechanical behaviors in nanoscale body-centered
cubic (bcc) metals remains obscure. Herein, we report the orientation-dependent ductility in …
cubic (bcc) metals remains obscure. Herein, we report the orientation-dependent ductility in …
Phase-transformation assisted twinning in Molybdenum nanowires
Systematic molecular dynamics simulations were conducted to investigate deformation
mechanisms in molybdenum (Mo) nanowires (NWs) under uniaxial tensile and compressive …
mechanisms in molybdenum (Mo) nanowires (NWs) under uniaxial tensile and compressive …
Grain size effect on deformation mechanisms of nanocrystalline bcc metals
Nanocrystalline (NC) body-centered cubic (bcc) metals behave very differently from how NC
metals with other crystal structures behave. Their strain rate sensitivity decreases with …
metals with other crystal structures behave. Their strain rate sensitivity decreases with …
Pseudo‐Elasticity and Variable Electro‐Conductivity Mediated by Size‐Dependent Deformation Twinning in Molybdenum Nanocrystals
Deformation twinning merits attention because of its intrinsic importance as a mode of
energy dissipation in solids. Herein, through the atomistic electron microscopy observations …
energy dissipation in solids. Herein, through the atomistic electron microscopy observations …
Deformation twins in nanocrystalline body-centered cubic Mo as predicted by molecular dynamics simulations
This work studies deformation twins in nanocrystalline body-centered cubic Mo, including
the nucleation and growth mechanisms as well as their effects on ductility, through …
the nucleation and growth mechanisms as well as their effects on ductility, through …
Metallic nanocrystals with low angle grain boundary for controllable plastic reversibility
Advanced nanodevices require reliable nanocomponents where mechanically-induced
irreversible structural damage should be largely prevented. However, a practical …
irreversible structural damage should be largely prevented. However, a practical …
The origin of exceptionally large ductility in molybdenum alloys dispersed with irregular-shaped La2O3 nano-particles
Y Chen, Y Fang, P Cheng, X Ke, M Zhang… - Nature …, 2024 - nature.com
Molybdenum and its alloys are known for their superior strength among body-centered cubic
materials. However, their widespread application is hindered by a significant decrease in …
materials. However, their widespread application is hindered by a significant decrease in …
In situ atomic-scale observation of twinning-dominated deformation in nanoscale body-centred cubic tungsten
Twinning is a fundamental deformation mode that competes against dislocation slip in
crystalline solids. In metallic nanostructures, plastic deformation requires higher stresses …
crystalline solids. In metallic nanostructures, plastic deformation requires higher stresses …
Atomic-scale observation of nucleation-and growth-controlled deformation twinning in body-centered cubic nanocrystals
Twinning is an essential mode of plastic deformation for achieving superior strength and
ductility in metallic nanostructures. It has been generally believed that twinning-induced …
ductility in metallic nanostructures. It has been generally believed that twinning-induced …
Revealing the atomistic deformation mechanisms of face-centered cubic nanocrystalline metals with atomic-scale mechanical microscopy: A review
Nanocrystalline metals have many functional and structural applications due to their
excellent mechanical properties compared to their coarse-grained counterparts. The atomic …
excellent mechanical properties compared to their coarse-grained counterparts. The atomic …