Mechanical response and grain boundary behavior of (HfNbTaTiZr) C high-entropy carbide ceramics and its constituent binary carbides

C Li, T Fu, X Shen, H Hu, S Weng, D Yin, X Peng - Surfaces and Interfaces, 2024 - Elsevier
The structure and mechanical response of grain boundaries (GBs) are essential for
predicting the mechanical properties of polycrystalline materials. Understanding the …

Chemical-bonding and lattice-deformation mechanisms unifying the stability and diffusion trends of hydrogen in TiN and AlN polymorphs

Q He, TY Sun, LF Huang - Acta Materialia, 2024 - Elsevier
The continuous development of hydrogen-permeation barriers (HPB) based on metal
nitrides highly desires a generic unification of the key thermodynamic and kinetic …

Inherent toughness and fracture mechanisms of refractory transition-metal nitrides via density-functional molecular dynamics

DG Sangiovanni - Acta Materialia, 2018 - Elsevier
Hard refractory transition-metal nitrides possess unique combinations of outstanding
mechanical and physical properties, but are typically brittle. Recent experimental results …

Kinetics of grain boundary segregation in multicomponent systems–The example of a Mo-CBO system

D Scheiber, L Romaner, FD Fischer, J Svoboda - Scripta materialia, 2018 - Elsevier
A model for kinetics of segregation of several interstitial and substitutional components to
different kinds of traps at grain boundaries is derived by applying the Thermodynamic …

Initial oxidation on 12 grain boundaries in pure TiN coating and on (Al, Si, Cr) doped Σ3 (111) grain boundaries: A first-principles calculations

S Wang, Y Kong, L Chen, Y Du - Surfaces and Interfaces, 2023 - Elsevier
In this work, using first-principles calculation method, the effect of twelve< 110> symmetric tilt
grain boundaries (GBs) on the initial oxidation behavior of TiN was studied. Firstly, the …

[HTML][HTML] Structural and mechanical properties of Al/TiC interface with vacancies: First-principles study

T Sun, W Xu, X Wu, Y Jiang, X Qu - Physics Letters A, 2023 - Elsevier
The adhesion, stability, electronic structure, and ductility of Al/TiC interfaces with Al, Ti, and
C vacancies (Al v, C v and Ti v) are investigated using first-principles calculations. The …

[HTML][HTML] Structure, electronic properties, and oxygen incorporation/diffusion characteristics of the Σ 5 TiN (310)[001] tilt grain boundary

KP McKenna - Journal of Applied Physics, 2018 - pubs.aip.org
First principles calculations are employed to investigate the structure, electronic properties,
and oxygen incorporation/diffusion characteristics of the Σ 5 TiN (310) tilt grain boundary …

[HTML][HTML] Hydride ion diffusion along grain boundaries in titanium nitride

L Triestram, JM Polfus - Acta Materialia, 2024 - Elsevier
Density functional theory (DFT) simulations are utilized to study the absorption and diffusion
of hydride ions along four types of titanium nitride grain boundaries: open and compact …

Diffusion of silver in titanium nitride: Insights from density functional theory and molecular dynamics

V Lenzi, A Cavaleiro, F Fernandes, L Marques - Applied Surface Science, 2021 - Elsevier
The use of self-lubricating titanium nitride and silver (TiN (Ag)) nanocomposite coatings is a
promising way to reduce the wear of tools employed dry machining operations for hard-to …

Effect of TiN content on properties of NiFe2O4‐based ceramic inert anode for aluminum electrolysis

Z Zhang, Y Wang, G Zu, Z Cao, J Liu… - International Journal of …, 2021 - Wiley Online Library
NiFe2O4‐based ceramic inert anodes for aluminum electrolysis doped with various TiN
nanoparticles were prepared by a two‐step cold‐pressing sintering process to investigate …