[HTML][HTML] Materials science-based guidelines to develop robust hard thin film materials

PH Mayrhofer, H Clemens, FD Fischer - Progress in Materials Science, 2024 - Elsevier
For mechanically dominated load profiles, nitrides are preferred as the base material for
structural and functional hard coatings, while oxide-based materials offer better protection …

Large mechanical properties enhancement in ceramics through vacancy-mediated unit cell disturbance

Z Chen, Y Huang, N Koutná, Z Gao… - Nature …, 2023 - nature.com
Tailoring vacancies is a feasible way to improve the mechanical properties of ceramics.
However, high concentrations of vacancies usually compromise the strength (or hardness) …

Core electron count as a versatile and accurate new descriptor for sorting mechanical properties of diverse transition metal compounds

R Zhang, X Gu, K Zhang, X Gao, C Liu… - Advanced …, 2023 - Wiley Online Library
Transition‐metal light‐element compounds show superb mechanical, chemical, and thermal
properties, and accurate descriptors are important to sorting targeted properties among this …

High-density twin boundaries in transition metal nitride coating with boron doping

S Yang, T Guo, X Yan, K Gao, X Pang - Acta Materialia, 2023 - Elsevier
The formation mechanism of twin boundaries in transition metal nitrides has remained
largely unexplored owing to their high stacking fault energy that hinders twin boundary …

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 …

The nitriding effect on the stability and mechanical properties of the iron titan phase: first-principles investigation

AD Ishkildin, AA Kistanov, AA Izosimov… - Physical Chemistry …, 2023 - pubs.rsc.org
To control the nitriding effect, which is used to enhance the mechanical properties of
surfaces, a fundamental understanding of this effect is required. Modern quantum …

Balance between oxidation and tribological behaviors at elevated temperatures of Hf1-xWxN films by optimizing W content

W Yu, H Li, J Li, Z Liu, J Huang, J Kong, Q Wu, Y Shi… - Vacuum, 2023 - Elsevier
Wear resistance and anti-oxidization are required for the binary transitional metal nitride
coatings when they are applied as protective coating on cutting tools. The dope with other …

[HTML][HTML] Direct observation of Schottky-vacancy clusters and their mechanical response in MoN/TiN superlattice

Z Chen, Y Huang, Z Gao, Y Zheng, PH Mayrhofer… - Acta Materialia, 2025 - Elsevier
A deeper understanding of vacancy-induced effects in ceramics may lead to optimized
material design and improved mechanical properties. However, current research primarily …

Hard and tough sub-stoichiometric B1 Ta-Mo-Nx films by regulating N content

H Li, J Li, J Kong, J Huang, Q Wu, D Xiong - Journal of Alloys and …, 2023 - Elsevier
Ternary transition metal nitrides (TMNs) films with B1 structure (NaCl type) have been widely
explored as hard protective materials. Their structure and mechanical performances are …

An efficient and quantitative approach for fracture toughness measurement of Micron-Thick hard coatings based on crack spacing

S Wu, S Yang, P Geng, K Gao, AA Volinsky… - Engineering Fracture …, 2024 - Elsevier
Micron-thick hard coatings find widespread applications, with fracture toughness being a
crucial property that ensures their usability. However, measuring the fracture toughness of …