Measurement of lattice rotations and internal stresses in over one hundred individual grains during a stress-induced martensitic transformation

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dc.contributor.author EL HACHI, Younes
ensam.hal.laboratories
  178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.contributor.author MALARD, Benoît
ensam.hal.laboratories
  580 Centre interuniversitaire de recherche et d'ingenierie des matériaux [CIRIMAT]
dc.contributor.author BERVEILLER, Sophie
ensam.hal.laboratories
  178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.contributor.author WRIGHT, Jonathan
ensam.hal.laboratories
  2568 European Synchrotron Radiation Facility [ESRF]
dc.date.accessioned 2018-07-06T10:30:03Z
dc.date.available 2018-07-06T10:30:03Z
dc.date.issued 2015
dc.date.submitted 2018-07-03T14:09:52Z
dc.identifier.uri http://hdl.handle.net/10985/13334
dc.description.abstract To 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 stresses. In this work, in-situ 3DXRD technique was performed on over hundred grains during the stress-induced martensitic transformation in a Cu-Al-Be shape memory alloy. Information about the position,
orientation, and stress field was obtained for each austenitic grain. These results have been used to develop a procedure that allows automatic processing for a large number of grains, matching them during loading and leads to a quantitative stress field. A strong heterogeneity of stress state between the grains at the surface and in the volume is evident.
en
dc.language.iso en
dc.publisher EDP Sciences
dc.rights Post-print
dc.title Measurement of lattice rotations and internal stresses in over one hundred individual grains during a stress-induced martensitic transformation en
dc.identifier.doi 10.1051/matecconf/20153302003
dc.typdoc Conférences invitées
dc.localisation Centre de Metz
dc.subject.hal Sciences de l'ingénieur: Mécanique: Mécanique des matériaux
ensam.audience Non spécifiée
ensam.conference.title ESOMAT 2015
ensam.conference.date 2015-09-14
ensam.country Belgique
ensam.hal.faultCode {"duplicate-entry":{"hal-01572815":{"doi":"1.0"}}}
ensam.city ANTWERP
ensam.peerReviewing Oui
ensam.proceeding Oui

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