Evaluation of Adhesive Bond Strength Depending on Degradation Type and Time

Abstract

Owing to the evolution an adhesive bonding technology can be a complement of the classical methods as well as their compensation in the area of the bonding materials. Although the adhesive bonding technology has many advantages there are also some limits that contain an adhesive degradation which leads to the lowering of a strength function. In this study specimens were prepared with methyl-methacrylate adhesive (MMA) (Novatit - adhesive) and steel sheets, and the effect of degradation conditions at the room temperature on the adhesive bond strength was studied. Part of the specimens was exposed to a dehydration after the degradation time. The results showed that the degradation conditions and also the dehydration have considerable effect on the ultimate strength as well as on the durability of the adhesive bond.