Radiation damage in nanostructured materials
Materials subjected to high dose irradiation by energetic particles often experience severe
damage in the form of drastic increase of defect density, and significant degradation of their …
damage in the form of drastic increase of defect density, and significant degradation of their …
On the deformation behavior of CoCrNi medium entropy alloys: Unraveling mechanistic competition
Recently, CoCrNi medium entropy alloys (MEA) have been the subject of numerous
investigations due to their unique mechanical properties such as an exceptionally high …
investigations due to their unique mechanical properties such as an exceptionally high …
The role of grain boundary character in solute segregation and thermal stability of nanocrystalline Pt–Au
Nanocrystalline (NC) metals suffer from an intrinsic thermal instability; their crystalline grains
undergo rapid coarsening during processing treatments or under service conditions. Grain …
undergo rapid coarsening during processing treatments or under service conditions. Grain …
Simultaneous twinning and microband formation under dynamic compression in a high entropy alloy with a complex energetic landscape
High entropy alloys (HEAs) have been the subject of significant research in recent years due
in part to their excellent mechanical properties and unique microstructure. Chemical …
in part to their excellent mechanical properties and unique microstructure. Chemical …
Grain boundary phase transformations in PtAu and relevance to thermal stabilization of bulk nanocrystalline metals
There has recently been a great deal of interest in employing immiscible solutes to stabilize
nanocrystalline microstructures. Existing modeling efforts largely rely on mesoscale Monte …
nanocrystalline microstructures. Existing modeling efforts largely rely on mesoscale Monte …
Role of grain boundary character and its evolution on interfacial solute segregation behavior in nanocrystalline Ni-P
Interfacial solute segregation behavior of P in nanocrystalline (NC) Ni alloys is investigated
at the atomic scale using cross-correlative PED-APT measurements and atomistic …
at the atomic scale using cross-correlative PED-APT measurements and atomistic …
Triple Junction Segregation Dominates the Stability of Nanocrystalline Alloys
We present large-scale atomistic simulations that reveal triple junction (TJ) segregation in Pt–
Au nanocrystalline alloys in agreement with experimental observations. While existing …
Au nanocrystalline alloys in agreement with experimental observations. While existing …
On the mechanistic origins of maximum strength in nanocrystalline metals
The maximum strength of polycrystalline metals/alloys has been suggested to occur at
nanoscale grain sizes where the governing deformation mechanism transitions from …
nanoscale grain sizes where the governing deformation mechanism transitions from …
Learning grain boundary segregation behavior through fingerprinting complex atomic environments
JP Tavenner, A Gupta, GB Thompson… - Communications …, 2024 - nature.com
Although continuum-scale segregation is a well-documented behavior in multi-species
materials, detailed site-specific behavior remains largely unexplored. This is partially due to …
materials, detailed site-specific behavior remains largely unexplored. This is partially due to …
Influence of grain boundary structure and topology on the plastic deformation of nanocrystalline aluminum as studied by atomistic simulations
Nanocrystalline materials, with grain sizes below 100 nm, have been the subject of many
research studies in the recent past. At these reduced grain sizes, grain boundaries (GBs) …
research studies in the recent past. At these reduced grain sizes, grain boundaries (GBs) …