Viewpoint: experimental recovery of geometrically necessary dislocation density in polycrystals

Application of electron backscattering diffraction methods to recover estimates of the geometrically necessary dislocation density is described. The limitations of the method arising from the opacity of crystalline materials and the spatial and angular resolution limits are discussed.

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Bibliographic Details
Published in:Scripta materialia 2003-01, Vol.48 (2), p.141-145
Main Authors: El-Dasher, B.S, Adams, B.L, Rollett, A.D
Format: Article
Language:English
Subjects:
Aluminum
Dislocations
Electron backscattering diffraction
Grain Boundaries
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Description
Summary:Application of electron backscattering diffraction methods to recover estimates of the geometrically necessary dislocation density is described. The limitations of the method arising from the opacity of crystalline materials and the spatial and angular resolution limits are discussed.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(02)00340-8