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Erschienen in: Experimental Mechanics 3/2016

11.12.2015

On the Accuracy of Elastic Strain Field Measurements by Laue Microdiffraction and High-Resolution EBSD: a Cross-Validation Experiment

verfasst von: E. Plancher, J. Petit, C. Maurice, V. Favier, L. Saintoyant, D. Loisnard, N. Rupin, J.-B. Marijon, O. Ulrich, M. Bornert, J.-S. Micha, O. Robach, O. Castelnau

Erschienen in: Experimental Mechanics | Ausgabe 3/2016

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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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Metadaten
Titel
On the Accuracy of Elastic Strain Field Measurements by Laue Microdiffraction and High-Resolution EBSD: a Cross-Validation Experiment
verfasst von
E. Plancher
J. Petit
C. Maurice
V. Favier
L. Saintoyant
D. Loisnard
N. Rupin
J.-B. Marijon
O. Ulrich
M. Bornert
J.-S. Micha
O. Robach
O. Castelnau
Publikationsdatum
11.12.2015
Verlag
Springer US
Erschienen in
Experimental Mechanics / Ausgabe 3/2016
Print ISSN: 0014-4851
Elektronische ISSN: 1741-2765
DOI
https://doi.org/10.1007/s11340-015-0114-1

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