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Title: A Study of the Mechanical Behaviour of Boron Nitride Nanosheets Using Numerical Simulation
Authors: Sakharova, Nataliya A. 
Pereira, André F. G. 
Antunes, Jorge M. 
Keywords: boron nitride; nanosheets; elastic properties; modeling; numerical simulation
Issue Date: 13-Oct-2023
Publisher: MDPI
Project: CEMMPRE—UIDB/00285/2020 
Volume: 13
Issue: 20
Abstract: Hexagonal boron nitride (h-BN) nanosheets are attractive materials for various applications that require efficient heat transfer, surface adsorption capability, biocompatibility, and flexibility, such as optoelectronics and power electronics devices, nanoelectromechanical systems, and aerospace industry. Knowledge of the mechanical behavior of boron nitride nanosheets is necessary to achieve accurate design and optimal performance of h-BN-based nanodevices and nanosystems. In this context, the Young's and shear moduli and Poisson's ratio of square and rectangular boron nitride nanosheets were evaluated using the nanoscale continuum modeling approach, also known as molecular structural mechanics. The latter allows robust and rapid assessment of the elastic constants of nanostructures with graphene-like lattices. To date, there is a lack of systematic research regarding the influence of input parameters for numerical simulation, loading conditions, size, and aspect ratio on the elastic properties of the h-BN nanosheets. The current study contributes to filling this gap. The results allow, on the one hand, to point out the input parameters that lead to better agreement with those available in the literature. On the other hand, the Young's and shear moduli, and Poisson's ratio calculated in the present work contribute to a benchmark for the evaluation of elastic constants of h-BN nanosheets using theoretical methods.
ISSN: 2079-4991
DOI: 10.3390/nano13202759
Rights: openAccess
Appears in Collections:I&D CEMMPRE - Artigos em Revistas Internacionais

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