Article On Scaled Normal Stresses in Multiaxial Fatigue and Their Exemplary Application to Ductile Cast Iron Michael Wächter 1,* , Alexander Linn 1, Ralf Wuthenow 1 , Alfons Esderts 1, Christian Gaier 2, Jan Kraft 3 , Carl Fällgren 3 and Michael Vormwald 3 1 Institute for Plant ...