DIN EN ISO 18592:2017-04

This document specifies test specimens and procedures for performing constant load amplitude fatigue tests on multi-spot-welded- and multi-axial-specimens specimens in the thickness range from 0,5 mm to 4,5 mm at room temperature and a relative humidity of max. 80 %. The applicability of the standard to larger thicknesses may be limited by the mechanical properties such as yield strength and formability of the specimen material. The thickness range for Advanced High Strength Steels (AHSS) is generally below 3,0 mm. Greater thicknesses for e. g. aluminium alloys are permissible. The test results of the fatigue tests may also be used for deriving criteria for the selection of materials and thickness combinations for structures and components subjected to cyclic loading. This statement is relevant for results obtained with component like specimens, i.e. specimens with a local stiffness similar to that of structural components. The results of a fatigue test are suitable for direct application to design only when the loading conditions in service and the stiffness of the design in the joint area are identical.