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The University of Southampton

Research project: Luminescent Monitoring for Tribological Coatings

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Tribological coatings are widely applied to prolong the lifetime of mechanical components by reducing wear and corrosion degradation. However, it is unavoidable that some parts of such coatings will become worn or corroded faster than other areas, which could accelerate failure or lead to severe damage.

Thus it is necessary to set up an early warning system to prevent any such catastrophic failure by monitoring the progress of wear or corrosion on coatings. The use of embedded phosphorescence / fluorescence in the coatings has wide applications by monitoring the integrity of coatings.

After Worn
After Worn
Luminescent coating (blue sensing under UV)
Luminescent coating
TEM image of solid lubricant MoS
TEM image of solid lubricant MoS
(a) Severe worn on mild steel
(a) Severe worn on mild steel
(b) Minimum worn on coating (formation of MoS2 tribo-film)
(b) Minimum worn on coating

Associated research themes

Materials and surface engineering

Related research groups

national Centre for Advanced Tribology at Southampton (nCATS)
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