Ultrasonic shot peening process pdf

The paper presents a cad based model for ultrasonic shot peening ussp that allows conducting an accurate simulation of the process for complex mechanical parts. Papers presented at icsp8 in munich, germany in 2002 the articles below are archived in the library. Comparison between conventional shot peening and ultrasonic shot. Click on an article title below to view details and access a free full text pdf. Further, this paper describes the influence of shot peening in ultra high cycle fatigue regime. Ultrasonic shot peening usp leads to severe plastic deformation of the surface layer of materials, so that the material forms a strengthening layer with a certain thickness. Shot peening processes to obtain nanocrystalline surfaces in. From portable systems to robotic production lines a robust process used by automotive, aerospace, energy and medical industries the stressonic ultrasonic shot peening usp process is similar to conventional shot peening csp in that it is a coldworking surface treatment.

Shot peening was carried out by a flow of stainless steel. Properties in comparison with shot peening and ultrasonic impact peening. Pdf complete simulation of ultrasonic shot peening process. Shot peening is a cold working process which imparts a compressive residual. As opposed to compressed air or centrifugal wheels, ultrasonic shot peening uses a mechanical vibration at ultrasound frequency 20 khz. Pdf the aim of this work is to reach a better understanding of the ultrasonic shotpeening process and, in particular, the evolution of the shot speed. Sonats impact surface treatment solutions and laboratory. Laser peening process and its impact on materials properties in comparison with shot peening and ultrasonic impact peening abdullahi k.

It is a mechanical cold impact treatment of the surface of metallic components or structures. Ultrasonic shot peening and conventional shot peening are two important mechanisms of this process. An explanation of the mechanism and benefits of shot peening it is possible to enhance certain properties of some materials to enable them to better meet the needs of critical designs. The aim of this work is to reach a better understanding of the ultrasonic shotpeening process and, in particular, the evolution of the shot speed distribution. Different peening factors including shot size, shot hardness, shot flow rate, shot velocity. Sonats created the stressonic peening process to improve the fatigue resistance of metal parts. Sonats is an innovative industrial company specialised in cold impact mechanical surface treatment, the main process being ultrasonic shot peening stressonic technology. Stressonic peening process mechanical impact treatment. Papers presented at icsp9 in paris, france in 2005 the articles below are archived in the library. This process introduces beneficial compressive stresses into the component being treated at depths of 2 to 4 times that of traditional shot peening. Pdf complete simulation of ultrasonic shot peening. Shot peening process is widely used to impose compressive residual stresses in. Based on its specialist knowledge, sonats designs and manufactures a complete range of products, from portable equipment to customized machines, as well as providing.

Surface treatment applications include shot peening, ultrasonic needle peening or peen forming, and weld impact treatment. Pdf modelling of the ultrasonic shot peening process. Sonats provides a complete range of products and services to extend the fatigue life of mechanical structures and components. Shot peening is a cold working process in which the surface of a part is. Investigation on the effect of shot peening process using glass. This paper presents a fast and interesting chaining method for ultrasonic shot peening that allows a quick prediction of the deformed shot peened part from the ultrasonic shot peening process parameters.