Dislocations and plastic deformation in MgO crystals: a review

J Amodeo, S Merkel, C Tromas, P Carrez… - Crystals, 2018 - mdpi.com
This review paper focuses on dislocations and plastic deformation in magnesium oxide
crystals. MgO is an archetype ionic ceramic with refractory properties which is of interest in …

Direction-dependent fracture in solids: Atomistically calibrated phase-field and cohesive zone model

S Rezaei, JR Mianroodi, T Brepols, S Reese - Journal of the Mechanics and …, 2021 - Elsevier
We propose a new phase-field damage formulation which takes into account anisotropic
damage evolution in solids. Such anisotropy projects itself in fracture energy values which …

Strategies for damage tolerance enhancement in metal/ceramic thin films: Lessons learned from Ti/TiN

AK Mishra, H Gopalan, M Hans, C Kirchlechner… - Acta Materialia, 2022 - Elsevier
Most functional microelectronic devices as well as hard coatings use brittle ceramics like
Titanium Nitride (TiN) in nanostructured, thin film form. Damage tolerance is critical to their …

On characterization of cohesive zone model (CZM) based upon digital image correlation (DIC) method

X Huo, Q Luo, Q Li, G Zheng, G Sun - International Journal of Mechanical …, 2022 - Elsevier
Cohesive zone model (CZM) has been extensively applied in numerical simulation of
interfacial fracture behaviors such as composite delamination and fracture of adhesive …

An anisotropic cohesive fracture model: Advantages and limitations of length-scale insensitive phase-field damage models

S Rezaei, A Harandi, T Brepols, S Reese - Engineering Fracture …, 2022 - Elsevier
The goal of the current work is to explore direction-dependent damage initiation and
propagation within an arbitrary anisotropic solid. In particular, we aim at developing …

[HTML][HTML] Unravelling the ion-energy-dependent structure evolution and its implications for the elastic properties of (V, Al) N thin films

SK Aghda, D Music, Y Unutulmazsoy, HH Sua, S Mráz… - Acta Materialia, 2021 - Elsevier
Ion irradiation-induced changes in the structure and mechanical properties of metastable
cubic (V, Al) N deposited by reactive high power pulsed magnetron sputtering are …

Systematic study on mechanical and electronic properties of ternary VAlN, TiAlN and WAlN systems by first-principles calculations

L Chen, J Xu, M Zhang, T Rong, Z Jiang, P Li - Ceramics International, 2021 - Elsevier
Transition-metal aluminium nitrides widely used as protective tool coatings are a class of
materials with a combination of high hardness, outstanding wear resistance as well as good …

[HTML][HTML] High-throughput first-principles search for ceramic superlattices with improved ductility and fracture resistance

N Koutná, A Brenner, D Holec, PH Mayrhofer - Acta materialia, 2021 - Elsevier
Superlattices—alternating coherently grown materials of nm thicknesses—proved their
potential for enhancing typically antagonistic properties of ceramics: ductility, hardness, and …

Impact of oxygen content on the thermal stability of Ti-Al-ON coatings based on computational and experimental studies

J Zhang, C Hu, L Chen, Y Kong, Y Du, PH Mayrhofer - Acta Materialia, 2022 - Elsevier
Recently, the favorable impact of O-addition on the oxidation resistance, toughness and
machining performance of Ti 1-x Al x N coatings has attracted a wide range of research …

Numerical and experimental studies on crack nucleation and propagation in thin films

A Harandi, S Rezaei, SK Aghda, C Du, T Brepols… - International Journal of …, 2023 - Elsevier
The prediction of damage and cracking patterns in ceramic thin films plays a vital role in the
optimal design thereof. In this study, we focus on developing a numerical framework to …