Boron: A key functional component for designing high-performance heterogeneous catalysts

M Fan, X Liang, Q Li, L Cui, X He, X Zou - Chinese Chemical Letters, 2023 - Elsevier
Heterogeneous catalysis is a vivid branch of traditional catalysis field, with the advantage of
high efficiency and being easily separated from reactants and products after reaction, and …

Atomistic modeling of interfaces and their impact on microstructure and properties

Y Mishin, M Asta, J Li - Acta Materialia, 2010 - Elsevier
Atomic-level modeling of materials provides fundamental insights into phase stability,
structure and properties of crystalline defects, and to physical mechanisms of many …

Structural and chemical embrittlement of grain boundaries by impurities: A general theory and first-principles calculations for copper

AY Lozovoi, AT Paxton, MW Finnis - Physical Review B—Condensed Matter …, 2006 - APS
First-principles calculations of the Σ 5 (310)[001] symmetric tilt grain boundary in Cu with Bi,
Na, and Ag substitutional impurities provide evidence that in the phenomenon of Bi …

Ab initio description of segregation and cohesion of grain boundaries in W–25 at.% Re alloys

D Scheiber, VI Razumovskiy, P Puschnig, R Pippan… - Acta Materialia, 2015 - Elsevier
We investigate grain boundaries (GBs) in W–25 at.% Re alloys with special focus on the
segregation of Re to the GBs and the changes in their cohesive properties that arise …

Grain boundary segregation engineering in as-sintered molybdenum for improved ductility

K Leitner, D Lutz, W Knabl, M Eidenberger-Schober… - Scripta materialia, 2018 - Elsevier
The characteristics of grain boundaries and their influence on the mechanical properties
have become key issues in recent research on structural materials. Especially in …

Hydrogen embrittlement of a carbon segregated Σ5 (310)[001] symmetrical tilt grain boundary in α-Fe

AM Tahir, R Janisch, A Hartmaier - Materials Science and Engineering: A, 2014 - Elsevier
The physical and mechanical properties of a Σ 5 (310)[001] symmetrical tilt grain boundary
(STGB) in body centred cubic (bcc) Fe are investigated by means of ab initio calculations …

Reversible Enhancement of Electronic Conduction Caused by Phase Transformation and Interfacial Segregation in an Entropy‐Stabilized Oxide

H Vahidi, AD Dupuy, BX Lam, J Cortez… - Advanced Functional …, 2024 - Wiley Online Library
Entropy‐stabilized oxide (ESO) research has primarily focused on discovering
unprecedented structures, chemistries, and properties in the single‐phase state. However …

Energetics of segregation and embrittling potency for non-transition elements in the Ni Σ5 (012) symmetrical tilt grain boundary: a first-principles study

M Yamaguchi, M Shiga… - Journal of Physics …, 2004 - iopscience.iop.org
A series of non-transition elements bound to the Ni Σ5 (012) symmetrical tilt grain boundary
(GB) and the (012) free surface (FS) systems has been studied by first-principles calculation …

Effects of cobalt intergranular segregation on interface energetics in WC–Co

M Christensen, G Wahnström - Acta Materialia, 2004 - Elsevier
The interface energetics of WC (0001)/WC (12 ̄ 10) grain boundaries and associated
Co/WC interfaces are calculated using density-functional theory. The effect of intergranular …

Impact of solute-solute interactions on grain boundary segregation and cohesion in molybdenum

D Scheiber, L Romaner, R Pippan, P Puschnig - Physical Review Materials, 2018 - APS
Understanding the interactions of solutes in a host material is a key factor for successful
alloy design. In this work, we focus on the effect of C, B, O, Fe, and Hf interactions in Mo on …