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An experimental investigation into the stress and strain development of a Ni-base single crystal superalloy during cooling from solidification

Abstract:

In-situ neutron diffraction has been used to study the stress and strain development in a single crystal Ni-base superalloy (CMSX4) during stress relaxation testing under displacement control mode. It was found that the macroscopic strain is dependent not only on stress and temperature but also on time, suggesting that the overall strain development during stress relaxation is a typical visco-plastic behaviour. The visco-plastic and lattice relaxation strain rates were obtained as best-fit eq...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1016/j.matdes.2016.10.072

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
ORCID:
0000-0003-2141-5865
Publisher:
Elsevier Publisher's website
Journal:
Materials and Design Journal website
Volume:
114
Pages:
475-483
Publication date:
2016-11-02
Acceptance date:
2016-10-28
DOI:
EISSN:
1873-4197
ISSN:
0264-1275
Pubs id:
pubs:863793
URN:
uri:9da3a9f6-788a-419e-8df6-8425b4b5c770
UUID:
uuid:9da3a9f6-788a-419e-8df6-8425b4b5c770
Local pid:
pubs:863793
Paper number:
C

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