DIN 54459:2011-08

For comparative structural adhesive testing usually "thin samples for shear tensile tests" are prepared according to DIN 53281, where minimum thicknesses of 1,5 mm for steel substrates and 3 mm for aluminium or plastic substrates are chosen. Depending on the adhesive system and the selected overlap length, rupture of the adherend may occur for thinner substrates. DIN 54459 describes the preparation of reinforced samples for coil-coated steel sheets to avoid rupture of the adherend during mechanical testing. Furthermore, the reinforcement contributes to reduction of the bending moments and the resulting peel forces during mechanical testing. The Committee responsible for this standard is NA 062-04-55 AA "Prüfung von Konstruktionsklebstoffen, -klebverbindungen und Kernverbunden" ("Testing of structural adhesives, structural adhesive bondings and sandwiches") at DIN.