Seifert, T.T.SeifertRiedel, H.H.RiedelPramhas, G.G.PramhasBumberger, G.G.Bumberger2022-03-032022-03-032007https://publica.fraunhofer.de/handle/publica/213932Fraunhofer IWM has proposed a methodology for calculating the lifetime of thermo-mechanically loaded engine components. It comprises models for cyclic plasticity and microcrack growth, a finite element implementation and a test procedure to determine the model parameters. Together with BMW, the method is applied to an exhaust manifold.enlifetime modelcyclic plasticity620338journal article