Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems

KA Kirchner, DR Cassar, ED Zanotto, M Ono… - Chemical …, 2022 - ACS Publications
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …

Influence of nanofiller agglomeration on fracture properties of polymer nanocomposite: Insights from atomistic simulation

BR Abhiram, D Ghosh - Engineering Fracture Mechanics, 2023 - Elsevier
Nanofillers tend to agglomerate inside the matrix of a polymer nanocomposite (PNC). Crack
propagation mechanism gets modified in various ways near these agglomerated regions …

Accessing a forbidden disordered state of a zeolitic imidazolate framework with higher stiffness and toughness through irradiation

T Du, SS Sørensen, Q Zhou, M Bauchy… - Chemistry of …, 2022 - ACS Publications
Metal–organic frameworks (MOFs) with nanoscale porosity have numerous potential
applications, for example, within catalysis, shock absorption, ion transportation, gas sorption …

Enhanced bond switching at complexion layer facilitates high fracture energy of LATP solid-state electrolytes

Z Chen, T Du, NMA Krishnan… - Journal of Materials …, 2024 - pubs.rsc.org
Understanding the mechanical behavior of solid-state electrolytes is pivotal for the
development of all-solid-state batteries. Using large-scale molecular dynamics simulations …

Reactive molecular dynamics of the fracture behavior in geopolymer: Crack angle effect

M Fang, T Wang, T Guo, P Shi, B Jiang, C Wang… - Engineering Fracture …, 2024 - Elsevier
Reactive molecular dynamics was applied in this study to construct the sodium
aluminosilicate hydrate (NASH) and tensile fracture models with various crack angles. The …

Fracture toughness of fly ash-based geopolymer gels: Evaluations using nanoindentation experiment and molecular dynamics simulation

GA Lyngdoh, S Nayak, NMA Krishnan, S Das - Construction and Building …, 2020 - Elsevier
This paper presents the fracture toughness of sodium aluminosilicate hydrate (NASH) gel
formed through alkaline activation of fly ash. While the fracture toughness of NASH is …

Atomic investigation on optimal interfacial bonding for enhanced fracture properties in polymer nanocomposites

BR Abhiram, D Ghosh - Engineering Fracture Mechanics, 2023 - Elsevier
Functionalization of nanofillers is known to have stiffening and strengthening effects on
nanocomposites through improved interfacial bonding. However, the optimality in the …

A localized stress field approach for calculating the critical stress intensity factor for an isotropic solid at atomistic scale

A Singh, G Singh - Mechanics of Materials, 2023 - Elsevier
Crack growth initiation in brittle materials is generally studied using the stress intensity factor
(SIF) since linear elasticity is assumed to be valid in the crack-tip region. The critical SIF is …

Molecular dynamics simulation of edge crack propagation in single crystalline alpha quartz

F Molaei - Journal of Molecular Graphics and Modelling, 2022 - Elsevier
Edge crack propagation of single-crystalline alpha quartz under mode I loading condition
was investigated using a molecular dynamics simulation. Five different crack lengths are …

Irradiation-induced toughening of calcium aluminoborosilicate glasses

X Ren, T Du, H Peng, LR Jensen, CAN Biscio… - Materials Today …, 2022 - Elsevier
Methods to improve the fracture toughness and strength of glassy materials are increasingly
important for a variety of applications that remain limited by the restrictions of brittleness and …