Shot peening is a cold working process used to produce a compressive residual stress layer and modify the mechanical properties of a component. It entails impacting a surface with shot, applying sufficient force to create plastic deformation. Each piece of shot hits the part like a ball-peen hammer and makes a small dimple. The surface grains of the material bend in tension, while below the surface, the compressed grains of the material try to regain their shape, creating an area highly stressed in compression. Overlapping dimples create a uniform layer of residual stresses in compression on the surface of the material.
Used for components to increase fatigue strength and resistance to stress-corrosion cracking for parts such as axles, springs (helical, torsional and leaf), gears, shafting, aircraft landing gear, structural parts, and similar items but usage is not limited to such applications.
Computer monitored shot peening is intended to provide a method of process observation, trace-ability, and response for all process input settings, in real time, during the entire peening process to ensure with objective evidence, the desired process outputs.
Die Life Enhancement
D – SCC is our proprietary surface modification process for improving resistance to stress corrosion cracking (SCC)
A cold working process used to produce a compressive residual stress layer and modify the mechanical properties of a component. It entails impacting a surface with shot, applying sufficient force to create plastic deformation
Peen conditioning is an Automatic Peening process typically performed on components such as airfoils after thermal coating