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The Mechanical Response of a Structural Epoxy Adhesive Reinforced with Carbon Black Nanoparticles

Published online by Cambridge University Press:  20 September 2018

Ricardo J. C. Carbas ,
Lucas F. M. da Silva  and
Luís F. S. Andrés
Ricardo J. C. Carbas*
Affiliation:
Faculty of Engineering, Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), University of Porto, 4200-465 Porto, Portugal Department of Mechanical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
Lucas F. M. da Silva
Affiliation:
Department of Mechanical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
Luís F. S. Andrés
Affiliation:
Department of Mechanical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
*
Author for correspondence: Ricardo J.C. Carbas, E-mail: [email protected]
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Abstract

The influence of the concentration of carbon black nanoparticles on the mechanical behavior of a structural adhesive was studied to evaluate and understand the stiffness, strength, and deformation behavior of a reinforced epoxy adhesive. Two carbon black nanoparticles with different dielectric properties and sizes (Monarch® 120 and Vulcan® XC72R) were studied. A bi-component structural epoxy adhesive was selected. Specimens with different concentrations of carbon black were manufactured (0, 5, 10, and 20% on volume of resin) for each type of nanoparticle. The specimens were cured in a hydraulic hot-plates press machine. The mechanical behavior of the adhesives was found not to vary significantly as a function of carbon black nanoparticles amount. A scanning electron microscopy analysis was performed to evaluate the fracture surface. The fracture surfaces of specimens were correlated with the mechanical response obtained through tensile tests.

Keywords

nanoparticlescarbon blackstructural epoxy adhesivesmechanical propertiesSEM analysis
Type
Material Sciences
Information
Microscopy and Microanalysis , Volume 25 , Issue 1 , February 2019 , pp. 187 - 191
Copyright
Copyright © Microscopy Society of America 2018 

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