SHOT BLASTING OR PEENING - Nitrex
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- SHOT BLASTING OR PEENING -

SHOT BLASTING OR PEENING

When tiny steel balls are used the process of blasting parts using this medium will be called shot blasting or peening. Jets of shot are aimed at components while they tumble in a rotating chamber. Some differentiate between “blasting” or “peening”, but the process is the same, nevertheless. The former expression is used when the objective is to clean the parts or remove sharp edges, while the latter indicates a desire to mechanically compress the surface layer of the material. In this manner compressive stresses are introduced which in most cases will improve the fatigue resistance of the component.

 

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