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In situ mapping of normal strains in the field of a growing fatigue crack in a steel weld using digital image correlation and energy dispersive synchrotron X-ray diffraction

Abstract:

Fatigue crack growth in the Heat Affected Zone (HAZ) of a welded CrNiMoV steel has been investigated, in situ, using Digital Image Correlation (DIC) and Energy Dispersive X-Ray Diffraction (EDXD). Compact tension specimens of welded joint were loaded under tension-tension cyclic loading. The crack tip position and the evolution of the near-tip strains normal to the crack plane were tracked at selected positions for a growing fatigue crack both on the specimen surface using DIC and in the bulk...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.ijfatigue.2018.05.016

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Oxford college:
Mansfield College
Role:
Author
ORCID:
0000-0001-6120-9826
Publisher:
Elsevier
Journal:
International Journal of Fatigue More from this journal
Volume:
115
Pages:
11-19
Publication date:
2018-05-26
Acceptance date:
2018-05-14
DOI:
ISSN:
0142-1123
Keywords:
Pubs id:
pubs:847741
UUID:
uuid:fd11c5b3-66d4-4241-b179-9ef87d5d0bcb
Local pid:
pubs:847741
Source identifiers:
847741
Deposit date:
2018-05-15

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