Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps

Kratsch, D.; Salib, M.; Gey, N.

doi:10.1016/J.MATCHAR.2014.10.007

Title: Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps

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Abstract

A new method called ALGrId (Anti-Leak GRain IDentification) is proposed for the detection of sub-grains beyond the relative angular resolution of Electron Backscatter Diffraction maps. It does not use any additional information such as Kikuchi Pattern Quality map nor need data filtering. It uses a modified Dijkstra algorithm which seeks the continuous set of boundaries having the highest average disorientation angle. - Highlights: • ALGrId is a new method to identify sub-grains and low angle boundaries in EBSD maps. • Unlike classical methods, ALGrId works even beyond the relative angular resolution. • If the orientation noise peaks at 0.7°, ALGrid detects 0.4°-boundaries correctly. • In the same example, the classical algorithm identifies 1.1°-boundaries only.

Authors:

Kratsch, D. ^[1]; Salib, M. ^[2]; Gey, N. ^[2]

Laboratoire d'Informatique Théorique et Appliquée (LITA), EA3079, Université de Lorraine, 57045 Metz Cedex 1 (France)
Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux (LEM3), UMR 7239, CNRS/Université de Lorraine, F-57045 Metz (France)

Publication Date:: Mon Dec 15 00:00:00 EST 2014

OSTI Identifier:: 22403603

Resource Type:: Journal Article

Journal Name:: Materials Characterization

Additional Journal Information:: Journal Volume: 98; Other Information: Copyright (c) 2014 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; ALGORITHMS; BACKSCATTERING; DETECTION; ELECTRON DIFFRACTION; GRAIN BOUNDARIES; KIKUCHI LINES; NOISE; ORIENTATION; RESOLUTION

Citation Formats


                    Germain, L., E-mail: Lionel.germain@univ-lorraine.fr, Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Kratsch, D., Salib, M., Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Institut Jean Lamour, Gey, N., and Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures. Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps.  United States: N. p., 2014. 
        Web.  doi:10.1016/J.MATCHAR.2014.10.007.

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                    Germain, L., E-mail: Lionel.germain@univ-lorraine.fr, Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Kratsch, D., Salib, M., Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Institut Jean Lamour, Gey, N., & Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures. Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps.  United States.  https://doi.org/10.1016/J.MATCHAR.2014.10.007

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                    Germain, L., E-mail: Lionel.germain@univ-lorraine.fr, Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Kratsch, D., Salib, M., Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures, Institut Jean Lamour, Gey, N., and Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures. 2014.  
        "Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps".  United States.  https://doi.org/10.1016/J.MATCHAR.2014.10.007.

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@article{osti_22403603,

  title        = {Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps},

  author       = {Germain, L., E-mail: Lionel.germain@univ-lorraine.fr and Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures and Kratsch, D. and Salib, M. and Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures and Institut Jean Lamour and Gey, N. and Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures},

  abstractNote = {A new method called ALGrId (Anti-Leak GRain IDentification) is proposed for the detection of sub-grains beyond the relative angular resolution of Electron Backscatter Diffraction maps. It does not use any additional information such as Kikuchi Pattern Quality map nor need data filtering. It uses a modified Dijkstra algorithm which seeks the continuous set of boundaries having the highest average disorientation angle. - Highlights: • ALGrId is a new method to identify sub-grains and low angle boundaries in EBSD maps. • Unlike classical methods, ALGrId works even beyond the relative angular resolution. • If the orientation noise peaks at 0.7°, ALGrid detects 0.4°-boundaries correctly. • In the same example, the classical algorithm identifies 1.1°-boundaries only.},

  doi          = {10.1016/J.MATCHAR.2014.10.007},

  url          = {https://www.osti.gov/biblio/22403603},
  journal      = {Materials Characterization},

  issn         = {1044-5803},

  number       = ,

  volume       = 98,

  place        = {United States},

  year         = {Mon Dec 15 00:00:00 EST 2014},

  month        = {Mon Dec 15 00:00:00 EST 2014}

}

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