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Analysis of Shot Peening Blast by Particle Tracking and Digital Image Correlation

Communication avec acte
Auteur
KUBLER, Régis
211915 Mechanics surfaces and materials processing [MSMP]
193010 Mécanique des Surfaces (EA4496) [MECASURF]
ROTINAT, René
85714 Laboratoire de Mécanique et Procédés de Fabrication [LMPF]
211915 Mechanics surfaces and materials processing [MSMP]
BADREDDINE, Jawad
PUYDT, Quentin
12062 VALDUC [DAM/VALDUC]
32956 Science et Ingénierie des Matériaux et Procédés [SIMaP]
162787 Institut Régional du Travail [Nancy] [IRT]
199963 Laboratoire de Mécanique, Modélisation et Procédés Propres [M2P2]
549864 Institut de recherche technologique Matériaux Métallurgie et Procédés [IRT M2P]

URI
http://hdl.handle.net/10985/14740
Date
2017

Résumé

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 flow, velocity, impact angle) and on the properties of the treated parts (material behaviour, roughness). Previous studies have investigated the control of shot peening via measurement of the global flow characteristics [1, 2, 3]. Developing experimental methods to characterize a particle flux is useful to obtain the contact conditions of the shot peening process (location, velocity vector) on any interesting geometry. Using a high speed camera, this study aims at the analysis of the flux of shots ahead of the nozzle of a shot peening machine. In this study two set of process parameters are investigated: S1: P= 1 bar, D=3 kg/min S2: P= 1 bar, D=13 kg/min Quantitative evolution of the particle velocity and density in the flux is studied.

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Analysis of shot peening blast ...
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Documents liés

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  • Residual stress field prediction and fatigue post processing for shot peened mechanical parts with complex geometry 
    Communication avec acte
    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 ...
  • Experimental Analysis of the Shot Peening Particle Stream Using Particle Tracking and Digital Image Correlation Techniques 
    Article dans une revue avec comité de lecture
    KUBLER, Régis; ROTINAT, R.; BADREDDINE, J.; PUYDT, Q. (Society for Experimental Mechanics, 2020)
    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 ...
  • Analysis of Residual Stress Relaxation Under Mechanical Cyclic Loading of Shot-Peened TRIP780 Steel 
    Communication avec acte
    MAUDUIT, C.; KUBLER, Régis; BARRALLIER, Laurent; BERVEILLER, Sophie; PUYDT, Quentin; MONIN, Martine; WEBER, Bastien (Materials Research Forum LLC, 2016)
    Shot-peening is a popular mechanical surface treatment used in automotive and aeronautical industries to enhance life duration of mechanical parts by introducing compressive residual stresses. TRIP 780 fatigue type specimens ...
  • Shot peening analysis on trip780 steel exhibiting martensitic transformation 
    Conférence invitée
    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 ...
  • Martensitic transformation induced by single shot peening in a metastable austenitic stainless steel 301LN: Experiments and numerical simulation 
    Article dans une revue avec comité de lecture
    GUIHEUX, Romain; BERVEILLER, Sophie; KUBLER, Régis; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin (Elsevier, 2017)
    During conventional shot peening on metastable austenitic steels, martensitic transformation occurs in addition to plastic straining. In this work, the impact of a single spherical steel shot on a AISI 301LN steel was ...

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