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Shot Peening Analysis on Trip780 Steel Exhibiting Martensitic Transformation

Communication avec acte
Author
GUIHEUX, Romain
549864 Institut de recherche technologique Matériaux Métallurgie et Procédés [IRT M2P]
BOUSCAUD, Denis
PATOOR, Etienne
24541 Georgia Tech Lorraine [Metz]
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
301991 Georgia Institute of Technology [Lorraine, France]
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]
OSMOND, Pierre
7736 PSA Peugeot - Citroën [PSA]
WEBER, Bastien
ccBERVEILLER, Sophie
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
ccKUBLER, Regis
193010 Mécanique des Surfaces (EA4496) [MECASURF]
211915 Mechanics surfaces and materials processing [MSMP]

URI
http://hdl.handle.net/10985/14738
Date
2017

Abstract

In the last years, due to increasing ecology and environmental constraints, a search for lightweight structures has been carried out, leading to the use of more complex geometries and new materials. In that context, TRIP (TRansformation Induced Plasticity) steels are of particular interest as the due to their good mechanical properties to weight ratio [1]. They are often used in the automotive industry for reinforcement parts of the vehicle (bumper, door beam…). To increase life duration,critical parts are shot peened. The specific mechanical behaviour of TRIP steels is due to their microstructure: they contain residual austenite that can transform into martensite when a stress is applied. This mechanism is responsible for hardening of the steels. The beneficial effect of shot peening on metastable austenitic steels was recently established by Fargas et al. [2], resulting in extensive austenite to martensite phase transformation. Numerous analytical models and numerical approaches based on finite element analysis have been developed to simulate the shot peening process. Reviews of the wide variety of numerical models can be found in Rouhaud et al. [3] and Sherafatnia et al. [4]. Only few experimental studies have been published up to now dealing with the impact of shot peening on metastable austenitic steels [5-7]. The first model taking into account the TRIP effect during peening was proposed very recently by Halilovic et al. [8]; it was developed for an austenitic steel AISI 304 peened steel with a single laser shot using a large strain formulation of transformation plasticity.

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  • Shot peening analysis on trip780 steel exhibiting martensitic transformation 
    Conférence invitée
    GUIHEUX, Romain; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin; OSMOND, Pierre; WEBER, Bastien; ccBERVEILLER, Sophie; ccKUBLER, Regis (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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    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 additionto plastic straining. In this work, the impact of a single spherical steel shot on a AISI 301LN steel was ...
  • Effect of shot peening on microstructure of steels exhibiting a TRIP effect – Experimental and modeling approaches 
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    GUIHEUX, Romain; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin; ccBERVEILLER, Sophie; ccKUBLER, Regis (12th International Conference on the Mechanical Behavior of Materials, 2015)
    Shot peening process is commonly used in mechanical industries to increase life duration of mechanical and structural parts, as automotive gears for instance. It is based on the development of residual compressive stresses ...
  • Shot peening of TRIP780 steel: Experimental analysis and numerical simulation 
    Article dans une revue avec comité de lecture
    BOUSCAUD, Denis; GUIHEUX, Romain; PATOOR, Etienne; PUYDT, Quentin; ccBERVEILLER, Sophie; ccKUBLER, Regis (Elsevier, 2019)
    This study aims at the experimental and numerical analysis of TRIP780 steel after conventional shot peening. TRIP steels exhibit a multiphase microstructure with martensitic transformation of the retained austenite during ...
  • Martensitic transformation induced by single shot peening in a metastable austenitic stainless steel 301LN: Experiments and numerical simulation 
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    GUIHEUX, Romain; ccBERVEILLER, Sophie; ccKUBLER, Regis; 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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