Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Improving composites single-lap joint performance by carbon nanotubes
Submission Author:
Elvis Carneiro Monteiro , MG
Co-Authors:
Antonio Avila, Elvis Carneiro Monteiro
Presenter: Elvis Carneiro Monteiro
doi://10.26678/ABCM.COBEM2017.COB17-0570
Abstract
This study investigates the influence of the adhesive (epoxy) thickness and the dispersions of carbon based nanostructures (carbon nanotubes – CNT) on mechanical properties of single-lap bonded joints. To achieve this goal, three CNT concentrations (0.5%, 1.0% and 2.0% m/m); and three different thicknesses (0.05 mm, 0.15 mm and 0.40 mm) were evaluated. The mechanical properties were measured using the apparent shear tensile test, based on ASTM D5868. A strong interface adherent/adhesive seems to be developed due to the CNT addition to the adhesive. This could be explained by two factors; the first one is the intensive damage observed into the failures regions. At the same time, an increase on load capacity up to 10% was observed.
Keywords
Composites, Polymers, carbon nanotubes, Bonded joints, nanocomposite
