Laser Surface Texturing - Their Applications

Paper #:
  • 2012-36-0332

Published:
  • 2012-10-02
DOI:
  • 10.4271/2012-36-0332
Citation:
Diogenes, L., "Laser Surface Texturing - Their Applications," SAE Technical Paper 2012-36-0332, 2012, doi:10.4271/2012-36-0332.
Pages:
7
Abstract:
Severe operating conditions of lubricated contacts cause wear on a surface. The reduction of the components life time can be solved with laser surface texturing (LST) which is promising technologies allowing to optimize the surface micro-topography. LST produces a very large number of micro-dimples or grooves on the surface and each structure can serve as a micro-hydrodynamic bearing, a micro-reservoir for lubricant in cases of starved lubrication conditions or a micro-trap for wear debris. The present paper shows the basic principles of the laser ablation, an assembly to texture internal surfaces and examples of success where the LST was applied.
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