Relative sensitivity factor

Symbol YδrelT
Unit -
Attribute-ID din3991 rel notch sensitivity factor Ydelrel
Numeric ID 399
Value Type PMDouble

The relative notch sensitivity factor YδrelT indicates the amount by which the theoretical stress peak lies above the strength at which fatigue fracture occurs. This is dependent on the material and the stress gradient. Without user input, the value is determined internally according to the corresponding calculation rule.