Mechanical properties of carbon black/poly (ε-caprolactone)-based tissue scaffolds

Al Habis, Nuha, El Moumen, Ahmed, Tarfaoui, Mostapha and Lafdi, Khalid (2020) Mechanical properties of carbon black/poly (ε-caprolactone)-based tissue scaffolds. Arabian Journal of Chemistry, 13 (1). pp. 3210-3217. ISSN 1878-5352

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Official URL: https://doi.org/10.1016/j.arabjc.2018.10.005

Abstract

Carbon black (CB) spherical particles were added to poly(ε-caprolactone) (PCL) polymer to produce strong synthetic tissue scaffolds for biomedical applications. The objective of this paper is to study the mechanical behavior of CB/PCL-based nanocomposites using experimental tests, multi-scale numerical approaches, and analytical models. The mechanical properties of CB/PCL scaffolds were characterized using thermal mechanical analysis and results show a significant increase of the elastic modulus with increasing nanofiller concentration up to 7 wt%. Conversely, finite element computations were performed using a simulated microstructure, and a numerical model based on the representative volume element (RVE) was generated. Thereafter, Young's moduli were computed using a 3D numerical homogenization technique. The approach takes into consideration CB particles’ diameters, as well as their random distribution and agglomerations into PCL. Experimental results were compared with data obtained using numerical approaches and analytical models. Consistency in the results was observed, especially in the case of lower CB fractions.

Item Type: Article
Uncontrolled Keywords: Carbon black/poly(ε-caprolactone) nanocomposites, Tissue scaffolds, Computational homogenization, Numerical approaches, Microstructure
Subjects: F100 Chemistry
H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Elena Carlaw
Date Deposited: 24 Mar 2020 13:38
Last Modified: 24 Mar 2020 13:45
URI: http://nrl.northumbria.ac.uk/id/eprint/42561

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