ADHESIVE BONDS DEGRADATION

Abstract. Setting in effect of the most various influences on adhesive bonds mechanical properties is essentially important for a suitable adhesive bond design. This step requires an understanding of the dependences influencing adhesive bonded complex strengthen properties. If the adhesive bonds are exposed to the effect of the environment, the undesirable changes of appearance and mainly of the mechanical properties show themselves. These processes are called the degradation (ageing). The knowledge of conditions under which the degradation affects and the way of their protection is very valuable information for the user’s point of view. The aim of the carried out experiments was to evaluate the degradation environment influence on adhesive bond mechanical qualities change. A natural and a mineral fertilizer, machine oil and water were chosen as the degradation environment. The experimental programme itself and its conclusions bring new findings for making clear the possibilities and limits of adhesive bonds creation and their lifetime. The main factor for the application field of the adhesive bonding is especially the resistance characterizing. Key words: adhesive bond, degradation, testing