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Laser Peening

Laser peening is an innovative surface enhancement process used to increase the resistance of aircraft gas turbine engine compressor and fan blades to foreign object damage (FOD) and improve high cycle fatigue (HCF) life. The process creates residual compressive stresses deep into part surfaces – typically five to ten times deeper than conventional metal shot peening.

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Applications

Application of laser peening avoided over $59 million in blade replacement costs, secondary damage engine repair costs, and cost avoidance from airfoil failures.

Overall, the potential savings from laser peening are estimated to approach $1 billion when calculating this impact over all engines in the Air Force fleet

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The Technology

Laser peening drives a high amplitude shock wave into a material surface using a high energy pulsed laser. The effect on the material being processed is achieved through the mechanical "cold working" effect produced by the shock wave, not a thermal effect from heating of the surface by the laser beam.

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Endurance with Confidence

LSP Technologies is the world's premier laser peening and bond inspection services, technology and equipment provider. LSP Technologies has been providing equipment, job shop services, and production laser peening for all industries and scale since 1995. Our list of satisfied clients include major international aerospace and power generation manufacturers, high performance racing companies, tooling and die manufacturers, and customers from many other industries and applications.

LSP Technologies is AS 9100/ISO 9001:2008 certified to provide the highest quality services and equipment. From the smallest job to the largest part, our quality control processes ensure the best results.

Laser peening prevents and arrests most types of failure in metallic components by enhancing the metallic surface and structure. Laser peening, also known as laser shock peening, or laser shot peening, cold works the material with shockwave mechanics to provide a deep layer of failure resistant material. For preventing failures, especially those from fatigue loading and stress corrosion cracking, laser peening is the optimum choice in metal improvement.



Laser Bond Inspection laser systems provide real time adhesive bond inspection for bond strength and interrogate adhesive bonds for non-conformances such as kissing bonds. Systems are customizable to meet your requirements.



LaserPeen™ Process Overview

  • Laser peening provides significant increases in metal part fatigue life and strength
  • Laser peening typically generates beneficial compressive residual stresses 2 to 3 mm deep or through-thickness in thin sections
  • Laser peening upgrades current parts without a redesign
  • Laser peening can be applied to fielded parts for improved lifetime
  • Laser peening can generate beneficial compressive residual stresses up to 8 mm deep in thick sections
  • Laser peening provides a cost effective ROI for parts: reduces replacement costs, maintenance, and down time
  • Laser peening increases value and reliability of nearly any metallic component
  • RapidCoater™ reduces process costs and part handling
  • Laser peening is computer and robotically controlled to meet AMS-2546

Laser Bond Inspection Overview

  • Laser bond inspection provides NDT for bonded structures
  • Laser bond inspection is the only method to proof test localized bond strength
  • Laser bond inspection detects kissing bonds and other weak bonds
  • Laser bond inspection works on a variety of adhesively bonded structures: composite-to-composite, metal-to-metal, composite-to-metal
  • Laser bond inspection provides a cost effective ROI for newly manufactured or repaired structures
  • Laser bond inspection can be applied on the manufacturing floor or in the repair depot
  • Laser bond inspection increases value, reliability, and confidence in bonded structures
  • Laser bond inspection does not affect the composite structure itself

Did you know:

LaserPeen™ processing extends fatigue life and strength of metal parts

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