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J-integral analysis of the elastic strain fields of ferrite deformation twins using electron backscatter diffraction

Abstract:

The strain fields of deformation twins in the ferrite matrix of an age-hardened duplex stainless-steel (Zeron 100: 25%Cr, 7%Ni) have been studied in situ under load, and ex situ (unloaded), using high-resolution electron backscatter diffraction (HR-EBSD). The local two-dimensional (2D) elastic strain field acting on the twin tip was parameterised for the first time using the strain energy release rate (J-integral) and then decomposed into the mode I and mode II stress intensity factors (KI an...

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Publication status:
Published
Peer review status:
Peer reviewed

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Role:
Author
ORCID:
0000-0002-0466-2381
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Role:
Author
ORCID:
0000-0003-1504-7103
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Institution:
University of Oxford
Division:
MPLS
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:
Materials
Oxford college:
Mansfield College
Role:
Author
ORCID:
0000-0001-6120-9826
Publisher:
Elsevier Publisher's website
Journal:
Acta Materialia Journal website
Volume:
218
Article number:
117203
Publication date:
2021-08-02
Acceptance date:
2021-07-22
DOI:
ISSN:
1359-6454
Language:
English
Keywords:
Pubs id:
1189550
Local pid:
pubs:1189550
Deposit date:
2021-08-23

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