公开(公告)号：US20240075587A1

公开(公告)日：2024-03-07

申请号：US18452742

申请日：2023-08-21

Applicant: ROLLS-ROYCE plc

Inventor： Martin J. RAWSON ,  Aleksej MOLOKANOV ,  John HETHERINGTON

IPC: B24C1/10

CPC classification number: B24C1/10

Abstract: A method of manufacturing a component includes supporting the component on a mounting structure. The method further includes impacting first peening bodies on the component to increase sub-surface compressive residual stresses of the component. The first peening bodies impact the component at a first intensity of from about 0.45 mmA to about 0.61 mmA. A first coverage of the component by the first peening bodies is from about 120% to about 205%. The method further includes impacting second peening bodies on the component to increase surface compressive residual stresses of the component. The second peening bodies impact the component at a second intensity of from about 0.20 mmA to about 0.30 mmA. A second coverage of the component by the second peening bodies is from about 120% to about 205%. Each of the first peening bodies and the second peening bodies includes a ceramic material.