Browse Publications Technical Papers 1999-01-2285
1999-06-05

Peening with High Pressure Waterjets 1999-01-2285

An experimental study of waterjet peening on 7075-T6 aluminum alloy was conducted to investigate the effects of waterjet conditions. Erosion surface features caused by high velocity jet impingement were evaluated as functions of standoff distance, jet pressure, and jet velocity. Surface characteristics were evaluated in terms of subsurface work hardening, surface finish and a degree of surface residual stresses. Results show that waterjet peening induces the same level of plastic deformation at the surface layer as shot peening.

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