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High temperature fatigue crack propagation in Inconel718

In this work, three different series of fatigue experiments on INCONEL718 will be discussed. For each type of fatigue experiment, the method of evaluation the raw data obtained at the matrial laboratory will be mentioned. Morover, from the obtained results, the fatigue properties of INCONEL718 will be presented in detail. Subsequently, a discussion of the modeling of the fatigue properties of the material in an isothermal condition will be permormed. For that, three different type om models will be investigated and compared. Furthermore, a FEM model of a specific specimen used for TMF-testing (not to be discussed here) will be presented by which the stress intensity factor values can be evaluated.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:liu-57854
Date January 2010
CreatorsSharifimajd, Babak
PublisherLinköpings universitet, Hållfasthetslära, Linköpings universitet, Tekniska högskolan
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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