A Concept for the Fatigue Life Prediction of Components from an Aluminum-Steel Compound

    Published: Jan 2009

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    The goal of this research project is the development of a simulation model for lifetime estimation of components from AA6016-T4∕FeP06 material compound. Since such components are manufactured predominantly by rolling (for manufacturing of the material compound) and deep-drawing, the influence of the plastic deformations during the manufacturing process on the fatigue behavior must be investigated. In particular, the influence of the rolling reduction on the behavior of FeP06 steel has a relevant effect on the fatigue life of this aluminum-steel compound. Simulation models for fatigue life estimation of this material compound must therefore consider the influence of the elastic plastic deformation which occurs during, e.g., rolling and deep-drawing processes. For this purpose, a new model for the generation of yield curve as a function of the rolling reduction of the material FeP06 was determined. The proposed yield curve model shows good results at low and high rolling reduction compared to the models of Voce and Swift. The lifetime estimation shows a substantial improvement of accuracy (600 %) by the consideration of the influence of the rolling reduction.


    material compound, rolling reduction, AA6016-T4∕FeP06, simulation model, hardening

    Author Information:

    Lamik, A.
    Chair of Mechanical Engineering, University of Leoben, Leoben,

    Leitner, H.
    Chair of Mechanical Engineering, University of Leoben, Leoben,

    Eichlseder, W.
    Chair of Mechanical Engineering, University of Leoben, Leoben,

    Riemelmoser, F.
    ARC Leichtmetallkompetenzzentrum Ranshofen GmbH, Ranshofen,

    Committee/Subcommittee: E08.03

    DOI: 10.1520/STP48798S

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