Controlled Shot Peening
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Shot Peening
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MIC’s Controlled Shot Peening process bombards the surface of a component with small particles of shot, which can be steel, stainless steel, glass or ceramic.
The shot stretches the material’s surface which induces a residual compressive stress on and below that surface. This effect strengthens the near surface of the component increasing resistance to:
- Fatigue
- Corrosion fatigue
- Stress corrosion cracking
- Hydrogen assisted cracking
- Fretting
- Galling
- Cavitation erosion
The induced compressive residual stress reduces or eliminates tensile stresses resulting from externally applied loads or from manufacturing processes such as welding, grinding or machining.
Shot peening is the most cost effective and practical method of inducing surface residual compressive stresses which enhance performance and extend the life of critical components.
Applications
- Aerospace – wing skins, spars, ribs, stringers and other metallic structural components, turbine engines, fan blades and undercarriages
- General and competitive automotive – connecting rods, crankshafts, transmission gears, axle bodies, stabilizers, hubs, pistons and valves
- Gears – carburised, nitrided, induction hardened and through hardened
Power generation – ground based turbine components including blades and disc slots - Oil and gas – oilfield drilling equipment, stabilizers, connectors, storage and pressure vessels
- General industrial – architectural structures, chemical mixer shafts, marine engines and material handling equipment
