On the accuracy of elastic strain field measurements by Laue microdiffraction and high-resolution EBSD: a cross-validation experiment

Abstract : Determining the accuracy of elastic strain measurements in plastically deformed alloys is an experimental challenge. To develop a novel cross-validation procedure, a controlled elasto-plastic strain gradient was created in a stainless steel single crystal by four point bending deformation. The corresponding elastic strain field was probed, with an intragranular spatial resolution, in-situ by Laue microdiffraction and ex-situ by High Resolution EBSD. Good agreement is found for the two independent measurements and the predictions of a mechanical model, at plastic strains below 0.5 %. The accuracy of the measurements is estimated at 3.2 × 10− 4.
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Article dans une revue
Experimental Mechanics, Society for Experimental Mechanics, 2016, 56 (3), pp.483-492. 〈10.1007/s11340-015-0114-1〉
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https://hal-enpc.archives-ouvertes.fr/hal-01252224
Contributeur : Florence Riviere <>
Soumis le : jeudi 7 janvier 2016 - 12:52:11
Dernière modification le : jeudi 11 janvier 2018 - 06:25:23

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E. Plancher, J. Petit, C. Maurice, V. Favier, L. Saintoyant, et al.. On the accuracy of elastic strain field measurements by Laue microdiffraction and high-resolution EBSD: a cross-validation experiment. Experimental Mechanics, Society for Experimental Mechanics, 2016, 56 (3), pp.483-492. 〈10.1007/s11340-015-0114-1〉. 〈hal-01252224〉

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