COMPONENT SHAPE CHANGES CAUSED BY SHOT PEENING

摘要

Shot peening is a cold-working process that has the potential to effect useful shape changes. Every cold-working process injects a residual stress system on shaping a metallic component. As a consequence the shape change has two contributions - a plastic contribution and an elastic contribution. This is different from hot-working processes where residual stresses are eliminated by self-annealing so that there is only a plastic contribution.