What is Laser Peening?

Laser peening is a metal enhancement method that imparts superior reliability and performance through improved fatigue life and damage tolerance. The process imparts compressive residual stresses deep into part surfaces, inhibiting the initiation and propagation of fatigue cracks. The compressive residual stresses generated by laser peening typically extend five to ten times deeper than those produced by shot peening, leading to more robust components with longer service lifetimes.

Enhanced Resistance to Failure

Laser peening has been proven to significantly extend the fatigue life of metal parts by providing enhanced resistance to common failure mechanisms:

  • Foreign Object Damage
  • Fretting Fatigue
  • High-Cycle Fatigue
  • Corrosion Fatigue
  • Stress Corrosion Cracking
  • Erosion
  • Cavitation
  • Hydrogen Embrittlement
  • Creep Deformation

Superior Part Performance

Laser peening has become a widely-adopted process for enhancing the fatigue resistance of turbine engine components within the aviation and power generation industries. It can be applied to critical parts for use in the automotive, medical, tooling, manufacturing and defense industries, along with any metal component that requires superior fatigue enhancement. Laser peening has demonstrated material improvements in a variety of metals, including:

  • Titanium Alloys
  • Steel Alloys
  • Stainless Steels
  • Nickel Alloys
  • Aluminum Alloys
  • Carburized and Nitrided Steels

Laser peening is often referred to as laser shock peening (LSP) or laser shock processing because the laser generates a powerful shockwave that plastically deforms the material. Read more about How Laser Peening Works

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