Correcting distortions of thin-walled machined parts by machine hammer peening

Aitor MADARIAGA,Mikel CUESTA,Gorka ORTIZ-DE-ZARATE, Eneko SÁENZ-DE-ARGANDOÑA,Denis SORIANO,Michael B. PRIME,Pedro José ARRAZOLA

Chinese Journal of Aeronautics（2023）

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摘要

•Pneumatic hammer peening can correct distortions of thin-walled machined parts.•It induces high subsurface compressive residual stresses up to 0.8 mm depth.•The coverage of peened area can be strategically selected using simulations.•Clamping must ensure that all the energy is used to plastically deform the surface.

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关键词

Aeronautics,Machining,Hammer Peening,Aluminium alloy,Distortions,Residual Stress

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