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Micro-mechanical measurement of fracture behaviour of individual grain boundaries in Ni alloy 600 exposed to a pressurized water reactor environment

Abstract:

A micro-mechanical technique is used to determine values of the critical stress intensity factor for fracture for grain boundaries of various orientations in Ni alloy 600 exposed to Pressurized Water Reactor (PWR) primary water at 325 °C with a hydrogen partial pressure of 30 kPa. Pentagonal cross-section cantilevers 5 μm wide by 25 μm long were milled using a focused ion beam (FIB) at individual grain boundaries in unoxidised Alloy 600 samples and in samples that had been exposed to simulate...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1016/j.corsci.2015.10.019

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
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Funding agency for:
Stratulat, A
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Funding agency for:
Armstrong, DEJ
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Publisher:
Elsevier Publisher's website
Journal:
Corrosion Science Journal website
Volume:
104
Pages:
9–16
Publication date:
2015
DOI:
ISSN:
0010-938X
URN:
uuid:43d721c2-7788-4e65-8a7c-0c6030120bbc
Source identifiers:
591868
Local pid:
pubs:591868

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