Advances in martensitic transformations in Cu-based shape memory alloys achieved by in situ neutron and synchrotron X-ray diffraction methods
Article dans une revue avec comité de lecture
Date
2012Journal
Comptes Rendus PhysiqueRésumé
This article deals with the application of several X-ray and neutron diffraction methods to investigate the mechanics of a stress induced martensitic transformation in Cu-based shape memory alloy polycrystals. It puts experimental results obtained by two different research groups on different length scales into context with the mechanics of stress induced martensitic transformation in polycrystalline environment.
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Article dans une revue avec comité de lectureMALARD, Benoît; WRIGHT, Jonathan; PATOOR, Etienne; GEANDIER, Guillaume; BERVEILLER, Sophie (Elsevier, 2011)Two synchrotron diffraction techniques, three-dimensional X-ray diffraction and Laue microdiffraction, are applied to studying the deformation behaviour of individual grains embedded in a Cu74Al23Be3 superelastic shape ...
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Conférence invitéeTo better understand the properties of polycrystals at a microscopic scale during cyclic mechanical loading we have measured the relationship between grain orientations, their positions inside the sample and their internal ...
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Communication avec acteBOUSCAUD, Denis; PATOOR, Etienne; MORAWIEC, Adam; BERVEILLER, Sophie; PESCI, Raphaël (Trans Tech Publications, 2014)The Kossel microdiffraction in a scanning electron microscope allows for local stress determination. This technique has been applied to monitor stress evolution within grains of austenite in the course of martensitic ...
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Communication avec acteGUIHEUX, Romain; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin; BERVEILLER, Sophie; KUBLER, 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 ...
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Article dans une revue avec comité de lectureGUIHEUX, Romain; BOUSCAUD, Denis; PATOOR, Etienne; PUYDT, Quentin; BERVEILLER, Sophie; KUBLER, Regis (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 ...