Experimental-Computational Determination of Epoxy Resin mechanical Properties, used in Assembly Applications

Abstract

A wide use of adhesive substances and especially of epoxy resins in metal structures with elevated strength is registered during the last years. Epoxy resins possess enhanced mechanical, chemical and physical properties, i.e. increased shear and compression strength, resistance in solvents, as well as at high temperatures.In the present paper, two-components of epoxy resin were tested through a developed experimental apparatus, applying tensile stress loads. Rolls and aluminum pipes, as well as further specimens were used. The specimens were cemented under constant temperature and humidity conditions. The experimental results were simulated with the aid of FEM-based procedures. The stress–strain curves of epoxy resins derived from previous works, were considered. The results revealed that the resins fail mainly due to poor adhesion with the cemented surfaces and not owing to cohesion release.