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Mapping the full lattice strain tensor of a single dislocation by high angular resolution transmission Kikuchi diffraction (HR-TKD)

Abstract:

The full lattice strain tensor and lattice rotations induced by a dislocation in pure tungsten were mapped using high-resolution transmission Kikuchi diffraction (HR-TKD) in a SEM. The HR-TKD measurement agrees very well with a forward calculation using an elastically isotropic model of the dislocation and its Burgers vector. Our results demonstrate that the spatial and angular resolution of HR-TKD in SEM is sufficiently high to resolve the details of lattice distortions near individual dislo...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.scriptamat.2018.12.039

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
ORCID:
0000-0002-5599-866X
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Oxford college:
St Cross College
Role:
Author
ORCID:
0000-0002-8801-4102
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Scripta Materialia Journal website
Volume:
164
Pages:
36-41
Publication date:
2019-01-29
Acceptance date:
2018-12-29
DOI:
ISSN:
1359-6462
Source identifiers:
911916
Language:
English
Keywords:
Pubs id:
pubs:911916
UUID:
uuid:a99d8b29-3a47-498a-9700-9dc7b5ddf52a
Local pid:
pubs:911916
Deposit date:
2018-09-05

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