Fretting Wear and Fatigue Behavior of Metals

Dear Colleagues,

The problems of fretting wear and fretting fatigue are widely encountered in most built-up mechanical structures that are subjected to dynamic load or vibrations (e.g., flow-induced vibrations and unsteady aerodynamic loading). These problems are particularly critical for the nuclear and aerospace industries due to their safety and economic impacts.

Although fretting was first reported and investigated more than a century ago, surprisingly, the complex phenomena of fretting are still not yet well understood. This is mainly due to its multi-disciplinary nature (contact mechanics, material behavior, chemical, thermal, and environmental aspects), and the need for a multi-scale approach (micro–meso–macro). The fretting problem is further compounded by the probabilistic nature of the excitation mechanisms and the fretting interface surfaces. Research activities in this field are therefore becoming more and more critical to improve the fundamental understanding and the basic knowledge of these phenomena to advance the boundaries of engineering applications.

The main objectives of this Special Issue on Fretting Wear and Fatigue Behavior of Metals is to advance the present state of knowledge and current practice of fretting wear/fretting fatigue by identifying the areas of uncertainties in testing and modelling, and the measures that should be taken to alleviate fretting damage and improve its predictions.   

The scope of the Special Issue covers, but is not limited to, the following topics: mechanics and mechanisms of fretting damage, new test methods to simulate complex and random relative motion, energy-based modelling for the characterization and assessment of fretting damage, multi-scale physical processes modelling in fretting, the effect of process variables and the environment on fretting wear/fatigue, surface coating and treatment, tribo-oxides formation, tribologically transformed structures and debris formation, self-induced changes, nano-fretting, and industrial and biomedical applications.

You are kindly invited to contribute to this Special Issue. Research papers, communications, and reviews are all welcome.

Prof. Dr. Helmi Attia
Guest Editor

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