Polymer nanocomposites operate in applications where fluid and grease lubricants fail, and have superior tribological performance to traditional polymer composites. Nanoparticle fillers have been a part of notable reductions in the wear rate of the polymer matrix at very low loadings. Despite instances of remarkable wear reductions at unprecedented loadings (3 000 times at 0.5% loading in one c...

This open access book presents cutting-edge research in contact mechanics, material science and tribology, giving emphasis to biomedical geotectonic applications. By reflecting the contribution of Sergey Psakhie field, it offers a timely snapshot materials tribology

Machine learning (ML) and artificial intelligence (AI) are rising stars in many scientific disciplines industries, high hopes being pinned upon them. Likewise, ML AI approaches have also found their way into tribology, where they can support sorting through the complexity of patterns identifying trends within multiple interacting features processes. Published research extends across fields trib...

In this work, real-time coefficient of friction (COF) analysis, in conjunction with a new method for approximating the Sommerfeld Number, is used to determine the extent of normal and shear forces during chemical mechanical planarization (CMP) and to help identify the tribology of the system. A new parameter termed the ‘tribological mechanism indicator’ is defined and extracted from the resulti...

Biomimetics is a field that has the potential to drive major technical advances. It might substantially support successful mastering of current tribological challenges, i.e., friction, adhesion and wear in machines and devices from the meter to the nanometer scale. Science currently goes through a major change, with biology gaining increasing importance. Indeed, biology is becoming the new Leit...

EDITORIAL article Front. Mech. Eng., 11 August 2021Sec. Tribology https://doi.org/10.3389/fmech.2021.740496

Optical components of non-planar geometry require special machining to produce. Single point diamond turning is the manufacturing method of choice to produce these surfaces. Three main factors contribute to the quality of these surfaces. Machine accuracy has shown improvements with the increased use of air bearings. Tool wear and design are shown to be effected by the crystal orientation of the...

Nowadays it is accepted that the friction force is a combined effect arising from various phenomena: adhesive forces, capillary forces, contact elasticity, topography, surface chemistry, and generation of a third body, etc. Any of them can dominate depending on the experimental force and length scales of the study. Typical forces in macro-tribology are in the Newtons, while are reduced to milli...

Maintainability of mechanical systems based on tribology is suggested and evaluated in this paper. Tribo-features of mechanical systems, which characterise maintainability are identified and are modelled in terms of tribo-maintainability digraph. The nodes in the digraph represent the tribo-features and edges represent the degree of influence among the features. A matrix, one to one representat...