Abstract
Fretting wear is a material damage in contact surfaces due to micro relative displacement between them. It causes some general problems in industrial applications, such as loosening of fasteners or sticking in components supposed to move relative to each other. Fretting wear is a complicated problem involving material properties of tribo-system and working conditions of them. Due to these various factors, researchers have studied the process of fretting wear by experiments and numerical modelling methods. This paper reviews recent literature on the numerical modelling method of fretting wear. After a briefly introduction on the mechanism of fretting wear, numerical models, which are critical issues for fretting wear modelling, are reviewed. The paper is concluded by highlighting possible research topics for future work.
Highlights
In tribology field, fretting is a small oscillatory motion between contact surfaces
Depending on the range of this oscillatory motion at the contact interface, the fretting regime is categorized into three types: stick regime where there is no relative slip at the interface, partial slip regime in which condition sticking regime exists at the centre of the interface with sliding approaching contact edges and gross sliding regime where sliding occurs alone the whole contact surface
The currently available literature on fretting wear is reviewed based on various aspects including: impact factors, wear mechanisms, and the research by numerical modelling
Summary
In tribology field, fretting is a small oscillatory motion between contact surfaces. Depending on the range of this oscillatory motion at the contact interface, the fretting regime is categorized into three types: stick regime where there is no relative slip at the interface, partial slip regime in which condition sticking regime exists at the centre of the interface with sliding approaching contact edges and gross sliding regime where sliding occurs alone the whole contact surface. Fretting wear occurs when patients bear stresses during walking due to different material properties and geometries among these fretting couples of contact interfaces In this case, the fixation/loosening related to the implant/bone interaction, and the wear of the articulating surfaces are two critical issues limiting the service life of an artificial hip joint [Mattei, Di Puccio, Piccigallo et al (2011)]. Fretting wear could be found in most quasi-static loaded assemblies under vibration, from traditional industrial application, such as engine, to biomedicine cases as the artificial hip joint replacement It is a complicated damage phenomenon relating material properties, working environment, loading conditions, etc. Possible topics for improving numerical modelling on fretting wear are proposed to drive future work
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