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What is Tribocorrosion?

Tribocorrosion is a material degradation process due to the combined effect of corrosion and wear [2] The name tribocorrosion expresses the underlying disciplines of tribology and corrosion. Tribology is concerned with the study of friction, lubrication and wear (its name comes from the Greek "tribo" meaning to rub) and corrosion is concerned with the chemical and electrochemical interactions between a material, normally a metal, and its environment. As a field of research tribocorrosion is relatively new, but tribocorrosion phenomena have been around ever since machines and installations are being used.
Wear is a mechanical material degradation process occurring on rubbing or impacting surfaces, while corrosion involves chemical or electrochemical reactions of the material. Corrosion may accelerate wear and wear may accelerate corrosion [3] One then speaks of corrosion accelerated wear or wear accelerated corrosion. Both these phenomena, as well as fretting corrosion (which results from small amplitude oscillations between contacting surfaces) fall into the broader category of tribocorrosion. Erosion-corrosion is another tribocorrosion phenomenon involving mechanical and chemical effects: impacting particles or fluids erode a solid surface by abrasion, chipping or fatigue while simultaneously the surface corrodes [4].

1. https://en.wikipedia.org/wiki/Tribocorrosion.
2. D. Landolt, Electrochemical and materials aspects of tribocorrosion systems, J. Physics D: Appl. Phys. 39, 1-7 (2006)
3. S. W. Watson, F. J. Friedersdorf, B. W. Madsen, S. D. Cramer, Wear 181-183, (1995) 476-484
4. K. Sasaki, G.T. Burstein, Philosophical Magazine Letters, 80 (2000) 489-493

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