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US 2009/0288463 A1Published application
Shot, devices, and installations for ultrasonic peening, and parts treated thereby
AssigneeSnecma
InventorsPatrick CHEPPE, Vincent Desfontaine, Jean-Michel Duchazeaubeneix
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Abstract
A system for ultrasonically peeing surfaces includes a sonotrode comprising a body material and a vibrating surface, the vibrating surface coated with a coating material having a hardness greater than the body material, a treatment chamber defined at least in part by the vibrating surface, and at least one piece of shot within the treatment chamber to be excited by the vibrating surface of the sonotrode, the at least one piece of shot having a hardness greater than or equal to 800 HV.
Claims20
A system for ultrasonically peening surfaces, the system comprising:
- a sonotrode comprising a body material and a vibrating surface, the vibrating surface coated with a coating material having a hardness greater than the body material;
- a treatment chamber, defined at least in part by the vibrating surface;
- and
- at least one piece of shot within the treatment chamber to be excited by the vibrating surface of the sonotrode, the at least one piece of shot having a hardness greater than or equal to 800 HV.
1 more element
Dependencies are inferred from the claim text.