Hierarchical multiscale crystal plasticity framework for plasticity and strain hardening of multi-principal element alloys
The multi-principal element alloys (MPEAs) exhibit the unprecedented combinations of the
excellent mechanical properties, especially high strength and good ductility. However, the …
excellent mechanical properties, especially high strength and good ductility. However, the …
Heterogeneous lattice strain strengthening in severely distorted crystalline solids
Multi–principal element alloys (MPEAs) exhibit outstanding mechanical properties because
the core effect of severe atomic lattice distortion is distinctly different from that of traditional …
the core effect of severe atomic lattice distortion is distinctly different from that of traditional …
Correlating dislocation mobility with local lattice distortion in refractory multi-principal element alloys
Multi-principal element alloys (MPEAs) exhibit different degrees of intrinsic lattice distortion,
which varies with constituent species. Using atomistic simulations, here we found the …
which varies with constituent species. Using atomistic simulations, here we found the …
Decoupling between Shockley partials and stacking faults strengthens multiprincipal element alloys
Mechanical properties are fundamental to structural materials, where dislocations play a
decisive role in describing their mechanical behavior. Although the high-yield stresses of …
decisive role in describing their mechanical behavior. Although the high-yield stresses of …
Grain-size effects on the deformation in nanocrystalline multi-principal element alloy
Multi-principal element alloys (MPEAs) continue to garner great interest due to their
potentially remarkable mechanical properties, especially at elevated temperatures for key …
potentially remarkable mechanical properties, especially at elevated temperatures for key …
[HTML][HTML] Multiscale crystal plasticity modeling of multiphase advanced high strength steel
Designing multiphase metals based on their constituent phase micromechanical properties
and using these metals for manufacturing lightweight automotive parts are a challenging …
and using these metals for manufacturing lightweight automotive parts are a challenging …
Constitutive modeling of multiscale polycrystals considering grain structures and orientations
JY Zheng, JQ Ran, MW Fu - International Journal of Mechanical Sciences, 2022 - Elsevier
Traditional macro-scaled plasticity theories may not be fully valid and accurate in study of
meso-/micro-scaled deformation due to the existence of size effects (SEs). In …
meso-/micro-scaled deformation due to the existence of size effects (SEs). In …
Anisotropic polycrystal plasticity due to microstructural heterogeneity: A multi-scale experimental and numerical study on additively manufactured metallic materials
Additively manufactured (AM) metallic parts exhibit substantially different microstructures
compared to those that are conventionally produced. Characterization studies have …
compared to those that are conventionally produced. Characterization studies have …
Study of microstructural grain and geometric size effects on plastic heterogeneities at grain-level by using crystal plasticity modeling with high-fidelity representative …
In-depth understanding of plastic heterogeneities at grain-level and local deformation
behaviors is pivotal in exploring the mechanical response and fracture mechanism of thin …
behaviors is pivotal in exploring the mechanical response and fracture mechanism of thin …
[HTML][HTML] Multiscale stress and strain statistics in the deformation of polycrystalline alloys
Multiscale stresses and strains in polycrystalline metals are always inhomogeneous. In this
study, a rate-independent crystal plasticity formulation was implemented for a cubic …
study, a rate-independent crystal plasticity formulation was implemented for a cubic …