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Water and Shot Peening of Aluminum 7020



Author(s)

Armirmohammad Jamali¹ and Eckehard Mueller^1,2

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DOI:10.17265/2161-6213/2022.7-9.001

1. Bochum University of Applied Science, Bochum 44801, Germany
2. Steinbeis-Transfer Center for Spring Technology, Component Behavior and Process, Langerfeldstr. 53 c, Iserlohn 58638, Germany

Water jet peening is a young technology compared to the traditional shot peening. It is a suitable method to induce compressive residual stresses in surface layers of materials with low tensile strength. The roughness is relatively low. In this study, water jet peening and shot peening is compared concerning induced compressive residual stresses and roughness at Aluminum 7020. These two parameters influence essentially the durability of a component.

Waterjet peening, shot peening, residual stresses, aluminum 7020.