The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction

Wauthier-Monnin, A.; Chauveau, T.; Castelnau, O.; Réglé, H.

doi:10.1016/J.MATCHAR.2015.04.005

Title: The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction

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Abstract

During the deformation of low carbon steel by cold-rolling, dislocations are created and stored in grains depending on local crystallographic orientation, deformation, and deformation gradient. Orientation dependent dislocation densities have been estimated from the broadening of X-ray diffraction lines measured on a synchrotron beamline. Different cold-rolling levels (from 30% to 95% thickness reduction) have been considered. It is shown that the present measurements are consistent with the hypothesis of the sole consideration of screw dislocations for the analysis of the data. The presented evolutions show that the dislocation density first increases within the α fiber (=(hkl)<110>) and then within the γ fiber (=(111)). A comparison with EBSD measurements is done and confirms that the storage of dislocations during the deformation process is orientation dependent and that this dependence is correlated to the cold-rolling level. If we assume that this dislocation density acts as a driving force during recrystallization, these observations can explain the fact that the recrystallization mechanisms are generally different after moderate or large strains. - Highlights: • Dislocation densities are assessed by XRD in main texture components of a steel sheet. • Dislocation densities vary with both strain and texture components. • The analysis relies on the solemore »« less

Authors:

Wauthier-Monnin, A. ^[1]; Chauveau, T.; Castelnau, O. ^[1]; Réglé, H. ^[2]

LSPM–CNRS, Université Paris 13, 99, Av. J.B. Clément, 93430 Villetaneuse (France)
ArcelorMittal Research Voie Romaine BP 30320, 57 283 Maizières-les Metz (France)

Publication Date:: Mon Jun 15 00:00:00 EDT 2015

OSTI Identifier:: 22476095

Resource Type:: Journal Article

Journal Name:: Materials Characterization

Additional Journal Information:: Journal Volume: 104; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1044-5803

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; BACKSCATTERING; CARBON STEELS; CRYSTALLOGRAPHY; DEFORMATION; DENSITY; ELECTRON DIFFRACTION; FIBERS; HYPOTHESIS; RECRYSTALLIZATION; REDUCTION; RESOLUTION; ROLLING; SCREW DISLOCATIONS; STORED ENERGY; SYNCHROTRON RADIATION; THICKNESS; X-RAY DIFFRACTION

Citation Formats


                    Wauthier-Monnin, A., ArcelorMittal Research Voie Romaine BP 30320, 57 283 Maizières-les Metz, Chauveau, T., Castelnau, O., Réglé, H., and Bacroix, B., E-mail: brigitte.bacroix@univ-paris13.fr. The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction.  United States: N. p., 2015. 
        Web.  doi:10.1016/J.MATCHAR.2015.04.005.

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                    Wauthier-Monnin, A., ArcelorMittal Research Voie Romaine BP 30320, 57 283 Maizières-les Metz, Chauveau, T., Castelnau, O., Réglé, H., & Bacroix, B., E-mail: brigitte.bacroix@univ-paris13.fr. The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction.  United States.  https://doi.org/10.1016/J.MATCHAR.2015.04.005

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                    Wauthier-Monnin, A., ArcelorMittal Research Voie Romaine BP 30320, 57 283 Maizières-les Metz, Chauveau, T., Castelnau, O., Réglé, H., and Bacroix, B., E-mail: brigitte.bacroix@univ-paris13.fr. 2015.  
        "The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction".  United States.  https://doi.org/10.1016/J.MATCHAR.2015.04.005.

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@article{osti_22476095,

  title        = {The evolution with strain of the stored energy in different texture components of cold-rolled IF steel revealed by high resolution X-ray diffraction},

  author       = {Wauthier-Monnin, A. and ArcelorMittal Research Voie Romaine BP 30320, 57 283 Maizières-les Metz and Chauveau, T. and Castelnau, O. and Réglé, H. and Bacroix, B., E-mail: brigitte.bacroix@univ-paris13.fr},

  abstractNote = {During the deformation of low carbon steel by cold-rolling, dislocations are created and stored in grains depending on local crystallographic orientation, deformation, and deformation gradient. Orientation dependent dislocation densities have been estimated from the broadening of X-ray diffraction lines measured on a synchrotron beamline. Different cold-rolling levels (from 30% to 95% thickness reduction) have been considered. It is shown that the present measurements are consistent with the hypothesis of the sole consideration of screw dislocations for the analysis of the data. The presented evolutions show that the dislocation density first increases within the α fiber (=(hkl)<110>) and then within the γ fiber (=(111)). A comparison with EBSD measurements is done and confirms that the storage of dislocations during the deformation process is orientation dependent and that this dependence is correlated to the cold-rolling level. If we assume that this dislocation density acts as a driving force during recrystallization, these observations can explain the fact that the recrystallization mechanisms are generally different after moderate or large strains. - Highlights: • Dislocation densities are assessed by XRD in main texture components of a steel sheet. • Dislocation densities vary with both strain and texture components. • The analysis relies on the sole presence of screw dislocations. • The measured dislocation densities include the contribution of both SSD and GND.},

  doi          = {10.1016/J.MATCHAR.2015.04.005},

  url          = {https://www.osti.gov/biblio/22476095},
  journal      = {Materials Characterization},

  issn         = {1044-5803},

  number       = ,

  volume       = 104,

  place        = {United States},

  year         = {Mon Jun 15 00:00:00 EDT 2015},

  month        = {Mon Jun 15 00:00:00 EDT 2015}

}

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