NDLI: In Situ EBSD Observations of the Evolution in Crystallographic Orientation with Deformation

Content Provider	Springer Nature Link
Author	Wright, Stuart I. Suzuki, Seiichi Nowell, Matthew M.
Copyright Year	2016
Abstract	Automated electron backscatter diffraction (EBSD) analysis is frequently used to investigate the change in crystallographic orientation that occurs when polycrystalline materials deform. Through crystallographic slip, the crystal lattice within a grain rotates. However, the crystal lattice rotation in each grain is constrained by the lattices of the neighboring grains while rotating. These competing factors lead to the development of orientation gradients and substructure in deformed polycrystals. In situ uniaxial tensile deformation was carried out in the scanning electron microscope while employing simultaneous automated EBSD analysis to characterize grain rotation, both in terms of the overall rotation of the lattice and the development of orientation gradients within the grain. The impact of these factors can be seen at the grain boundaries in the deformed structure where the local orientations diverge from the orientation at the grain interior. Automated in situ EBSD analysis allows the quantitative nature of specific metrics based on local variations in orientation to illuminate the physical mechanisms underlying the stress strain response during a mechanical test.
Starting Page	2730
Ending Page	2736
Page Count	7
File Format	PDF
ISSN	10474838
Journal	JOM
Volume Number	68
Issue Number	11
e-ISSN	15431851
Language	English
Publisher	Springer US
Publisher Date	2016-09-06
Publisher Institution	The Minerals, Metals & Materials Society (TMS)
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Engineering Chemistry/Food Science Physics Environment Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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