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Lifetime models for high temperature components

: Seifert, T.; Riedel, H.; Pramhas, G.; Bumberger, G.

AutoTechnology 7 (2007), February, pp.34-38
ISSN: 1616-8216
Journal Article
Fraunhofer IWM ()
lifetime model; cyclic plasticity

Fraunhofer 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.