Experimental Analysis of the Shot Peening Particle Stream Using Particle Tracking and Digital Image Correlation Techniques
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The conventional air pressure shot peening process consists of multiple impacts of particles propelled with pressurized air through a nozzle at the surface of mechanical components. An experimental study of the flow of particles exiting the nozzle was conducted. A high speed camera was used for image acquisition of the particle flow. This particle flow was analyzed using a particle tracking (PT) technique and using a digital image correlation (DIC) technique. Those two methods were compared and applied to the characterization of an industrial shot peening flow with several parameters of jet pressure and mass flow rate.
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KUBLER, Régis; ROTINAT, René; BADREDDINE, Jawad; PUYDT, Quentin (ShotPeener ICSP13, 2017)Shot peening process is generally controlled by Almen intensity and coverage rate measurements. The results of the shot peening surface treatment depend on the process parameters (type of machine, nozzle, shot type, mass ...
Residual stress field prediction and fatigue post processing for shot peened mechanical parts with complex geometry GELINEAU, Maxime; BARRALLIER, Laurent; ROUHAUD, Emmanuelle; KUBLER, Régis; PUYDT, Quentin; BADREDDINE, Jawad; MAUDUIT, Clément; WEBER, Bastien (ShotPeener ICSP13, 2017)Even when properly controlled, shot peening treatment may induce a complex residual stresses (RS) field depending on the geometry of the treated part. Hence, among the variables which affect the fatigue behaviour of shot ...
GUIHEUX, Romain; BERVEILLER, Sophie; KUBLER, Régis; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin; OSMOND, Pierre; WEBER, Bastien (2017)The microstructure and mechanical fields were studied on a cold-rolled TRIP 780 steel after conventional shot peening, and with or without pre-strain; for the first time, results were compared to numerical simulations at ...
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