The research on mechanical properties and compressive behavior of graphene foam with multi-scale model

Qi, P. ORCID: https://orcid.org/0000-0003-2901-1443 and Zhu, H. ORCID: https://orcid.org/0000-0002-3209-6831 2024. The research on mechanical properties and compressive behavior of graphene foam with multi-scale model. Spezi, Emiliano and Bray, Michaela, eds. Proceedings of the Cardiff University Engineering Research Conference 2023, Cardiff, Wales: Cardiff University Press, pp. 100-104. (10.18573/conf1.x)

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Abstract

Computational simulation is an effective method to study the deformation mechanism and mechanical behaviour of graphene-based porous materials. However, due to limitations in computational methods and costs, existing research model deviate significantly from the real material in terms of the scale of structure. Therefore, building a highly accurate computational model and maintaining an appropriate cost is both necessary and challenging. This paper proposed a multi-scale modelling approach for finite element (FE) analysis based on the concept of structural hierarchy. The stochastic feature of the microstructure of porous materials are also considered. The simulation results of the regular structure model and the Voronoi tessellation model are compared to investigate the effect of regularity on the material properties. Despite some shortcomings, other microstructural features of porous graphene materials can be gradually introduced to improve the material model step by step. Thus the developed multiscale model has great potential to simulate the properties of materials with mesoscopic size structure such as graphene foam (GF).

Item Type:	Book Section
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	Cardiff University Press
ISBN:	978-1-9116-5349-3
Funders:	Chinese Scholarship Council
Date of First Compliant Deposit:	17 May 2024
Last Modified:	14 Jun 2024 14:01
URI:	https://orca.cardiff.ac.uk/id/eprint/169001

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