Effect of Strain Rate on Mechanical Properties of Two-Component Epoxy Adhesive Bond

Abstract:

In practice, adhesive bonded joints are loaded by different intensity and rate. In the case where bond bearing capacity is exceeded, failure occurs. One of the affecting factors is strain rate. In the laboratory tests, ČSN EN 1465 is used as a basic standard, specifying the rate of deformation in the interval of 65±20 seconds. The goal of this research is to describe the behaviour of two-part epoxy adhesives at different strain rate of bonded joints. Experiments evaluated the changes of bond strength, deformation and time to failure. Time to failure is particularly significant because of the potential consequences of fast structural joint violation.

• Periodical: Advanced Materials Research (Volume 1059)
• Pages: 91-97
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1059.91
• Online since: December 2014
• Authors: Jan Cidlina*, Jozef Žarnovský, Miroslav Müller
• Keywords: Adhesive Bonding, Deformation, Strain Rate, Tensile Strength, Two-Component Epoxy Adhesive

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