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Principle of laser cladding

Laser cladding consists in melting a metallic filler material with a very thin surface layer of the substrate to make a metallurgical bonding. Material is brought mainly as a powder which is injected laterally or coaxially to the laser beam.

The selection of the deposited material depends of its applications (friction, wear, localized mechanical strength, corrosion, ...)

Advantages of the process

  • Low dilution – reduction of the number of layers
  • Dense deposits
  • Spot treatment
  • Low distortions
  • Improvement of surface quality
  • Wide range of filler materials
  • Improvement of a part at affordable cost

Filler material :

  • Tool steel
  • Refractory (inconel)
  • Stellite's cobalt-based alloys
  • Copper-based alloys, aluminium …
  • Compounds with metal matrices (metallic base + carbide).

Coaxial cladding nozzle

The coaxial cladding nozzle has been developped and patented by IREPA LASER (n°5418350 - 23 May 1995). It is sold by IREPA LASER.  
This cladding technique is used in many industrial facilities throughout the world. 

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