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    On the Standardization of Fretting Fatigue Test Method—Modeling Issues Related to the Thermal Constriction Phenomenon and Prediction of Contact Temperature

    Published: 01 January 2000

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    The temperature field in the contact zone has a significant effect on the material microstructure, its properties, the oxidation process, and the thermal contact stresses. To standardize fretting fatigue tests, one has to be able to predict and control the contact temperature. Since direct temperature measurement is practically impossible, analytical models are required to estimate the friction-induced temperatures rise under fretting conditions. The main objective of the present work is to model the thermal constriction phenomenon in fretting fatigue and wear processes, considering the roughness and waviness of contacting surfaces. These asperity-scale models can be combined with large scale analyses, e.g. finite element method, to account for the thermal characteristics of the whole tribo-system, its boundary conditions, as well as the spatial variation in the slip amplitude and coefficient of friction over the interface. The debatable question on whether the contact temperature in fretting fatigue is significant is addressed, considering a wide range of materials and applied loads. The analysis showed that the randomness of the contact size may substantially increase the micro-constriction impedance of the fretting interface. The paper is concluded with recommendations for future work to experimentally validate these models, and to examine the effect of the spatial maldistribution of the micro-contacts, and the effect of surface oxide on the contact temperature prediction.


    fretting fatigue, fretting wear, modeling, thermal contact resistance, thermal constriction, contact temperature, surface topography

    Author Information:

    Attia, MH
    Adjunct Professor, McMaster University, Ontario,

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP14720S