Grain boundary complexion transitions
Grain boundaries can undergo phase-like transitions, called complexion transitions, in
which their structure, composition, and properties change discontinuously as temperature …
which their structure, composition, and properties change discontinuously as temperature …
High-entropy grain boundaries
As high-entropy alloys receive an increasing amount of attention, an interesting scientific
question arises: can grain boundaries be “high entropy”? In 2016, we proposed “high …
question arises: can grain boundaries be “high entropy”? In 2016, we proposed “high …
Probing the densification mechanisms during flash sintering of ZnO
Y Zhang, J Nie, JM Chan, J Luo - Acta Materialia, 2017 - Elsevier
Using ZnO as a model system, the densification mechanisms of flash sintering are
investigated. Controlled experiments via limiting the maximum current or the effective ramp …
investigated. Controlled experiments via limiting the maximum current or the effective ramp …
Computing grain boundary “phase” diagrams
J Luo - Interdisciplinary Materials, 2023 - Wiley Online Library
Grain boundaries (GBs) can be treated as two‐dimensional (2‐D) interfacial phases (also
called “complexions”) that can undergo interfacial phase‐like transitions. As bulk phase …
called “complexions”) that can undergo interfacial phase‐like transitions. As bulk phase …
Interfacial superstructures and chemical bonding transitions at metal-ceramic interfaces
Metal-ceramic interfaces are scientifically interesting and technologically important.
However, the transition of chemical bonding character from a metal to a nonoxide ceramic is …
However, the transition of chemical bonding character from a metal to a nonoxide ceramic is …
Review of grain boundary complexion engineering: Know your boundaries
Grain boundary structure‐property relationships influence bulk performance and, therefore,
are an important criterion in materials design. Materials scientists can generate different …
are an important criterion in materials design. Materials scientists can generate different …
Relating the kinetics of grain-boundary complexion transitions and abnormal grain growth: A Monte Carlo time-temperature-transformation approach
Grain boundaries undergo thermally-activated, first-order transitions that result in
discontinuous changes of interfacial properties. Importantly, grain boundary transitions lead …
discontinuous changes of interfacial properties. Importantly, grain boundary transitions lead …
Genetic algorithm-guided deep learning of grain boundary diagrams: addressing the challenge of five degrees of freedom
Grain boundaries (GBs) often control the processing and properties of polycrystalline
materials. Here, potentially transformative research is represented by constructing GB …
materials. Here, potentially transformative research is represented by constructing GB …
Role of disordered bipolar complexions on the sulfur embrittlement of nickel general grain boundaries
Minor impurities can cause catastrophic fracture of normally ductile metals. Here, a classic
example is represented by the sulfur embrittlement of nickel, whose atomic-level mechanism …
example is represented by the sulfur embrittlement of nickel, whose atomic-level mechanism …
Computational modeling of grain boundary segregation: A review
Nearly all metals, alloys, ceramics, and their associated composites are polycrystalline in
nature, with grain boundaries that separate well-defined crystalline regions that influence …
nature, with grain boundaries that separate well-defined crystalline regions that influence …