Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress
The grain size, and therefore the grain boundary density, is known to play a major role in the
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
Mechanical behavior of high-entropy alloys
Research in the field of high-entropy alloys has been surging since the 2010s. As widely
acknowledged, research interests in this field are largely sparked by the enormous …
acknowledged, research interests in this field are largely sparked by the enormous …
High entropy alloys: A focused review of mechanical properties and deformation mechanisms
The high-entropy alloy (HEA) concept was based on the idea that high mixing entropy can
promote formation of stable single-phase microstructures. During the past 15 years, various …
promote formation of stable single-phase microstructures. During the past 15 years, various …
Light-weight refractory high-entropy alloys: A comprehensive review
In recent years, high-entropy alloys (HEAs) have become a research hotspot in materials
community, and great progress has been made in exploring various high-performance …
community, and great progress has been made in exploring various high-performance …
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 …
Achieving superb strength in single-phase FCC alloys via maximizing volume misfit
Single-phase face-centered cubic (SP-FCC) alloys normally possess low strength.
Conventionally strengthening strategies inevitably cause significant ductility sacrifice. Here …
Conventionally strengthening strategies inevitably cause significant ductility sacrifice. Here …
The double-edge effect of second-phase particles on the recrystallization behaviour and associated mechanical properties of metallic materials
Most industrial alloys contain a matrix phase and dispersed second-phase particles. Several
thermomechanical processing (TMP) steps are usually needed to produce a final product …
thermomechanical processing (TMP) steps are usually needed to produce a final product …
Dislocation mechanisms and 3D twin architectures generate exceptional strength-ductility-toughness combination in CrCoNi medium-entropy alloy
Combinations of high strength and ductility are hard to attain in metals. Exceptions include
materials exhibiting twinning-induced plasticity. To understand how the strength-ductility …
materials exhibiting twinning-induced plasticity. To understand how the strength-ductility …
Theory of strengthening in fcc high entropy alloys
Abstract High Entropy Alloys (HEAs) are a new class of random alloys having impressive
strength and toughness. Here, a mechanistic, parameter-free, and predictive theory for the …
strength and toughness. Here, a mechanistic, parameter-free, and predictive theory for the …
Temperature dependence of the mechanical properties of equiatomic solid solution alloys with face-centered cubic crystal structures
Compared to decades-old theories of strengthening in dilute solid solutions, the mechanical
behavior of concentrated solid solutions is relatively poorly understood. A special subset of …
behavior of concentrated solid solutions is relatively poorly understood. A special subset of …