Fretting is a surface damage phenomenon and is typically observed at the contact interfaces such as bolted, gasketed joints, and the like. It occurs due to the combined effect of normal and tangential loads, which produces a small-amplitude relative sliding between two components that are held together using clamping forces. Fretting-related failures are also observed in multiple components of an internal combustion engine. This article presents the fretting fatigue damage evaluation of a single layer head gasket using a relative new approach, i.e., deviatoric strain amplitude-based method, further combined with the Ding’s empirical parameter D fret2. Corresponding fretting damage results are compared with the traditional approach based on the Ruiz’s parameter F1. To evaluate the consistency in the predicted results, the correlation study is carried out for three head gaskets of three different high horsepower engine platforms and very good correlation is observed between F1 damage results, fatigue life results obtained using the deviatoric strain amplitude-based parameter corrected for Ding’s parameter, D fret2, and the actual fretting damage observed on the actual head gasket. Stabilized stress-strain results obtained using multilinear kinematic hardening model (MKIN) are considered for the fatigue life evaluation. Further, alternative approach based on the “fretting limit line” is also proposed for simpler absolute and comparative fretting fatigue damage evaluation across the different designs. Overall, as demonstrated in this work, deviatoric strain amplitude-based parameter combined with Ding’s parameter, D fret2, is an effective approach toward the absolute and comparative fretting fatigue damage and associated life evaluation of actual engine components.


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    Titel :

    Fretting Fatigue Damage and Life Evaluation of Cylinder Head Gasket Using Deviotoric Strain Amplitude-Based Parameter Corrected for Surface Wear Damage


    Weitere Titelangaben:

    Sae Int. J. Engines


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2022-09-21


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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