Fluctuations in local shear-fault energy produce unique and dominating strengthening in metastable complex concentrated alloys
W Li, S Lyu, Y Chen, AHW Ngan - Proceedings of the …, 2023 - National Acad Sciences
Local chemical short-range ordering (SRO) and spatial fluctuations of planar fault energy
are important features of multi-element and metastable complex concentrated alloys (CCAs) …
are important features of multi-element and metastable complex concentrated alloys (CCAs) …
[HTML][HTML] Strengthening in multi-principal element alloys with local-chemical-order roughened dislocation pathways
High-entropy and medium-entropy alloys are presumed to have a configurational entropy as
high as that of an ideally mixed solid solution (SS) of multiple elements in near-equal …
high as that of an ideally mixed solid solution (SS) of multiple elements in near-equal …
Defect-induced inhomogeneous atomic environments in complex concentrated alloys
The multiple elements in equal ratios in complex concentrated alloys (CCAs) favor the
formation of local atomic environments like segregation or chemical ordering observed in …
formation of local atomic environments like segregation or chemical ordering observed in …
[HTML][HTML] Models of dislocation glide and strengthening mechanisms in bcc complex concentrated alloys
The mechanical response of complex concentrated alloys (CCAs) deviates from that of their
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …
pure and dilute counterparts due to the introduction of a combinatorially sized chemical …
Dislocation plasticity in equiatomic NiCoCr alloys: Effect of short-range order
Equiatomic NiCoCr solid solutions have been shown by recent experiments and atomistic
simulations to display exceptional mechanical properties that have been suggested to be …
simulations to display exceptional mechanical properties that have been suggested to be …
Deformation faulting in a metastable CoCrNiW complex concentrated alloy: a case of negative intrinsic stacking fault energy?
Microscopic crystalline defects are of fundamental importance in unraveling the plastic
deformation response and thereby tailoring the macroscopic load-bearing performances of …
deformation response and thereby tailoring the macroscopic load-bearing performances of …
Effects of short range ordering on the generalized stacking fault energy and deformation mechanisms in FCC multiprincipal element alloys
Abstract Equiatomic FCC CrCoNi, VCoNi and CrCoNiFeMn exhibit distinctly different
deformation mechanisms where twinning is prevalent in CrCoNi and CrCoNiFeMn, but not …
deformation mechanisms where twinning is prevalent in CrCoNi and CrCoNiFeMn, but not …
[HTML][HTML] Stacking fault energy in concentrated alloys
We revisit the meaning of stacking fault energy (SFE) and the assumptions of equilibrium
dissociation of lattice dislocations in concentrated alloys. SFE is a unique value in pure …
dissociation of lattice dislocations in concentrated alloys. SFE is a unique value in pure …
Statistical modeling of the effect of chemical inhomogeneity on incipient plasticity in complex concentrated alloys
In recent years, complex concentrated alloys (CCAs), also referred to as medium-or high-
entropy alloys, have attracted substantial research interest due to their excellent mechanical …
entropy alloys, have attracted substantial research interest due to their excellent mechanical …
Two modes of screw dislocation glide in fcc single-phase concentrated alloys
Concentrated solid solution alloys (CSSAs), including medium-and high-entropy alloys, are
currently being considered as prospective materials in many applications. The behavior of …
currently being considered as prospective materials in many applications. The behavior of …