Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique

Hiroyuki Toda, Takanobu Kamiko, Kentaro Uesugi, Akihisa Takeuchi, Yoshio Suzuki, Masakazu Kobayashi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A novel experimental method has been developed by amalgamating a pencil beam X-Ray diffraction (XRD) technique with the recently developed grain boundary tracking (GBT) technique. XRD and GBT are both non-destructive in-situ analysis techniques for characterizing bulk materials, which can be carried close to the point of fracture. DAGT provides information about individual grain orientations and 1-micron-level grain morphologies in 3-dimensions (3D) together with high-density local strain mapping. An Al-3 mass % Cu model alloy was used to investigate its deformation behavior under tension. The morphology of the grains was determined by the X-ray microtomography (XMT) imaging and the liquid metal wetting technique, after which GBT provided an accurate description of the position and morphology of all the grains in a region of interests. Diffraction spots in the XRD experiments were related to grains, making it possible to describe crystallographic orientation of all the grains. It has been revealed that deformation is localized at both microscopic and meso-scopic levels. Inhomogeneous deformation was observed in each individual grain. In addition, a group of a few grains coordinately interacts and specific grain boundaries thereby exhibit intense strain localization. Hydrostatic tension was also observed at quadruple junction points and its mechanism was analyzed.

Original languageEnglish
Title of host publicationAluminium Alloys, ICAA 2014
PublisherTrans Tech Publications Ltd
Pages57-62
Number of pages6
ISBN (Print)9783038351207
DOIs
Publication statusPublished - Jan 1 2014
Event14th International Conference on Aluminium Alloys, ICAA 2014 - Trondheim, Norway
Duration: Jun 15 2014Jun 19 2014

Publication series

NameMaterials Science Forum
Volume794-796
ISSN (Print)0255-5476

Other

Other14th International Conference on Aluminium Alloys, ICAA 2014
CountryNorway
CityTrondheim
Period6/15/146/19/14

Fingerprint

Aluminum
Grain boundaries
grain boundaries
Diffraction
aluminum
diffraction
X ray diffraction
x rays
pencil beams
Liquid metals
Crystal orientation
liquid metals
hydrostatics
Wetting
wetting
Imaging techniques
X rays
Experiments

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Toda, H., Kamiko, T., Uesugi, K., Takeuchi, A., Suzuki, Y., & Kobayashi, M. (2014). Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique. In Aluminium Alloys, ICAA 2014 (pp. 57-62). (Materials Science Forum; Vol. 794-796). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.794-796.57

Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique. / Toda, Hiroyuki; Kamiko, Takanobu; Uesugi, Kentaro; Takeuchi, Akihisa; Suzuki, Yoshio; Kobayashi, Masakazu.

Aluminium Alloys, ICAA 2014. Trans Tech Publications Ltd, 2014. p. 57-62 (Materials Science Forum; Vol. 794-796).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Toda, H, Kamiko, T, Uesugi, K, Takeuchi, A, Suzuki, Y & Kobayashi, M 2014, Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique. in Aluminium Alloys, ICAA 2014. Materials Science Forum, vol. 794-796, Trans Tech Publications Ltd, pp. 57-62, 14th International Conference on Aluminium Alloys, ICAA 2014, Trondheim, Norway, 6/15/14. https://doi.org/10.4028/www.scientific.net/MSF.794-796.57
Toda H, Kamiko T, Uesugi K, Takeuchi A, Suzuki Y, Kobayashi M. Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique. In Aluminium Alloys, ICAA 2014. Trans Tech Publications Ltd. 2014. p. 57-62. (Materials Science Forum). https://doi.org/10.4028/www.scientific.net/MSF.794-796.57
Toda, Hiroyuki ; Kamiko, Takanobu ; Uesugi, Kentaro ; Takeuchi, Akihisa ; Suzuki, Yoshio ; Kobayashi, Masakazu. / Assessment of deformation behavior of polycrystalline aluminum using diffraction-amalgamated grain-boundary tracking (DAGT) technique. Aluminium Alloys, ICAA 2014. Trans Tech Publications Ltd, 2014. pp. 57-62 (Materials Science Forum).
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